Re: How can find something inside heavily nested data structure ?
I like using tree-seq and core.match when working on instaparse ASTs - like
this:
(require ['clojure.core.match :as 'm])
(def s
[{n {id a} d 2 children [{n {id c} d 4 children
nil}]} {n {id b} d 3 children nil}])
;; top-down-traversal
(defn nodes [x]
(tree-seq coll? seq x))
;; target pred
(defn sel-pred [n]
(and (map? n)
(some
#{{id c}}
(vals n
(some
(fn [x]
(m/match x
(_ :guard #(sel-pred %)) x
:else nil))
(tree-seq coll? seq s))
The guard is a little clumbsy but as far as I can see match does not
support map-matches with binding-keys like {k {id c}}.
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Re: when the body of the request is HttpInputOverHTTP, how do I get the string representation?
FWIW DuckDuckGo is very good for searching software terms. The Jetty Docs were the second hit for me: https://duckduckgo.com/?q=HttpInputOverHTTP On Aug 19, 2015, at 3:57 PM, Lawrence Krubner lawre...@rollioforce.com wrote: I know this has been asked before, but Google is interpreting HttpInputOverHTTP as Http Input Over HTTP which renders it useless for finding conversations that are specific to the HttpInputOverHTTP class. (off topic: I wish there was a good search engine for software terms). I've a simple web app using Jetty and Ring and Compojure. The body of each request that comes in is: :body #HttpInputOverHTTP HttpInputOverHTTP@3aa0a4ac If I do: (str (:body request)) I simply get: HttpInputOverHTTP@3aa0a4ac Can someone remind how I get a string representation of what should be in the body? -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: Cursive and gen-class
Bingo! Everything works when I revert to clojure 1.6.0. On Saturday, August 22, 2015 at 5:49:24 PM UTC-4, William la Forge wrote: More weirdness. This works: (let [^Object aa (.seq a5)] (println (.getClass aa))) But not this: (let [^AASetSequence aa (.seq a5)] (println (.getClass aa Nor, of course, this: (let [^AASetSequence aa (.seq a5)] (println (.count aa))) Here's the error I'm getting now: Information:8/22/2015 5:45 PM - Compilation completed with 1 error and 0 warnings in 2s 743ms C:\Users\Bill\Documents\GitHub\aa-collections\test\aa_collections\immutable_set_test.clj Error:(26, 12) clojure: java.lang.NoClassDefFoundError: java/util/function/UnaryOperator, compiling:(aa_collections/immutable_set_test.clj:26:12) java.lang.ClassNotFoundException: java.util.function.UnaryOperator at java.net.URLClassLoader$1.run (URLClassLoader.java:366) java.net.URLClassLoader$1.run (URLClassLoader.java:355) java.security.AccessController.doPrivileged (AccessController.java:-2) java.net.URLClassLoader.findClass (URLClassLoader.java:354) java.lang.ClassLoader.loadClass (ClassLoader.java:425) java.lang.ClassLoader.loadClass (ClassLoader.java:358) java.lang.Class.getDeclaredMethods0 (Class.java:-2) java.lang.Class.privateGetDeclaredMethods (Class.java:2570) java.lang.Class.privateGetPublicMethods (Class.java:2690) java.lang.Class.getMethods (Class.java:1467) On Saturday, August 22, 2015 at 5:37:13 PM UTC-4, William la Forge wrote: Hi Colin! I've set it up to compile all. No doubt this will be very helpful as I will no longer need to compile using an external `lein compile`. But run still dies on the call (.getClass x), when x is a gen-class compiled class instance. On the other hand I still can not credit this as a Cursive bug. Calling methods on gen-class compiled class instances is to basic. But it is likely related to Cursive, as 'lein test' works great. On Saturday, August 22, 2015 at 4:24:40 PM UTC-4, Colin Fleming wrote: Hi William, Right, you'll need to tell Cursive to compile that namespace in *Settings-Build, Execution, Deployment-Compiler-Clojure Compiler*. Once you've done that things should work. Cursive doesn't currently pick the set of namespaces to be compiled up from lein - it probably should. Cheers, Colin On 22 August 2015 at 17:17, William la Forge lafo...@gmail.com wrote: I searched and did not see anything recent on gen-class problems in Cursive. I find when I have a reference to a gen-class instance that instance? works in Cursive but .getClass does not. (Everything works with lein, of course.) What I am trying to do is to call the count method via (.count x). What I do not want to do is call the clojure count function, (count x). Again, no issues with lein. I suspect I simply have not completed the setup cursive for compiles or something, as all the complaints about cursive/gen-class that I could find were a year old. I know I need to switch to emacs at some times. I mean, it's only been 30 years since I used it last. :D Here's the error I'm getting: Exception in thread main java.lang.NoClassDefFoundError: java/util/function/UnaryOperator, compiling:(C:\Users\Bill\Documents\GitHub\aa-collections\test\aa_collections\immutable_set_test.clj:22:10) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6730) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6711) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyze(Compiler.java:6485) at clojure.lang.Compiler$InvokeExpr.parse(Compiler.java:3791) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6725) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyze(Compiler.java:6485) at clojure.lang.Compiler$BodyExpr$Parser.parse(Compiler.java:5861) at clojure.lang.Compiler$LetExpr$Parser.parse(Compiler.java:6179) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6723) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyze(Compiler.java:6485) at clojure.lang.Compiler$BodyExpr$Parser.parse(Compiler.java:5861) at clojure.lang.Compiler$FnMethod.parse(Compiler.java:5296) at clojure.lang.Compiler$FnExpr.parse(Compiler.java:3925) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6721) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.eval(Compiler.java:6779) at clojure.lang.Compiler.load(Compiler.java:7227) at clojure.lang.Compiler.loadFile(Compiler.java:7165) at clojure.main$load_script.invoke(main.clj:275) at clojure.main$script_opt.invoke(main.clj:337) at clojure.main$main.doInvoke(main.clj:421) at clojure.lang.RestFn.invoke(RestFn.java:408) at clojure.lang.Var.invoke(Var.java:379) at clojure.lang.AFn.applyToHelper(AFn.java:154) at clojure.lang.Var.applyTo(Var.java:700) at clojure.main.main(main.java:37)
Re: Cursive and gen-class
That's very strange. I'd need more detailed instructions to try to reproduce this. But the class it can't find is new in Java 8 so it looks like you have a JVM version issue. I suspect that this shows up in Cursive but not in lein because you're using a different JDK version in your Cursive project than the one that is picked up on the command line. I'm guessing that java -version on the command line will show Java 8, but the one you have configured in your Cursive project (File-Project Structure-Project-Project SDK and File-Project Structure-Modules-(your module)-Module SDK) is less than that. Is that the case? On 22 August 2015 at 23:58, William la Forge laforg...@gmail.com wrote: Bingo! Everything works when I revert to clojure 1.6.0. On Saturday, August 22, 2015 at 5:49:24 PM UTC-4, William la Forge wrote: More weirdness. This works: (let [^Object aa (.seq a5)] (println (.getClass aa))) But not this: (let [^AASetSequence aa (.seq a5)] (println (.getClass aa Nor, of course, this: (let [^AASetSequence aa (.seq a5)] (println (.count aa))) Here's the error I'm getting now: Information:8/22/2015 5:45 PM - Compilation completed with 1 error and 0 warnings in 2s 743ms C:\Users\Bill\Documents\GitHub\aa-collections\test\aa_collections\immutable_set_test.clj Error:(26, 12) clojure: java.lang.NoClassDefFoundError: java/util/function/UnaryOperator, compiling:(aa_collections/immutable_set_test.clj:26:12) java.lang.ClassNotFoundException: java.util.function.UnaryOperator at java.net.URLClassLoader$1.run (URLClassLoader.java:366) java.net.URLClassLoader$1.run (URLClassLoader.java:355) java.security.AccessController.doPrivileged (AccessController.java:-2) java.net.URLClassLoader.findClass (URLClassLoader.java:354) java.lang.ClassLoader.loadClass (ClassLoader.java:425) java.lang.ClassLoader.loadClass (ClassLoader.java:358) java.lang.Class.getDeclaredMethods0 (Class.java:-2) java.lang.Class.privateGetDeclaredMethods (Class.java:2570) java.lang.Class.privateGetPublicMethods (Class.java:2690) java.lang.Class.getMethods (Class.java:1467) On Saturday, August 22, 2015 at 5:37:13 PM UTC-4, William la Forge wrote: Hi Colin! I've set it up to compile all. No doubt this will be very helpful as I will no longer need to compile using an external `lein compile`. But run still dies on the call (.getClass x), when x is a gen-class compiled class instance. On the other hand I still can not credit this as a Cursive bug. Calling methods on gen-class compiled class instances is to basic. But it is likely related to Cursive, as 'lein test' works great. On Saturday, August 22, 2015 at 4:24:40 PM UTC-4, Colin Fleming wrote: Hi William, Right, you'll need to tell Cursive to compile that namespace in *Settings-Build, Execution, Deployment-Compiler-Clojure Compiler*. Once you've done that things should work. Cursive doesn't currently pick the set of namespaces to be compiled up from lein - it probably should. Cheers, Colin On 22 August 2015 at 17:17, William la Forge lafo...@gmail.com wrote: I searched and did not see anything recent on gen-class problems in Cursive. I find when I have a reference to a gen-class instance that instance? works in Cursive but .getClass does not. (Everything works with lein, of course.) What I am trying to do is to call the count method via (.count x). What I do not want to do is call the clojure count function, (count x). Again, no issues with lein. I suspect I simply have not completed the setup cursive for compiles or something, as all the complaints about cursive/gen-class that I could find were a year old. I know I need to switch to emacs at some times. I mean, it's only been 30 years since I used it last. :D Here's the error I'm getting: Exception in thread main java.lang.NoClassDefFoundError: java/util/function/UnaryOperator, compiling:(C:\Users\Bill\Documents\GitHub\aa-collections\test\aa_collections\immutable_set_test.clj:22:10) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6730) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6711) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyze(Compiler.java:6485) at clojure.lang.Compiler$InvokeExpr.parse(Compiler.java:3791) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6725) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyze(Compiler.java:6485) at clojure.lang.Compiler$BodyExpr$Parser.parse(Compiler.java:5861) at clojure.lang.Compiler$LetExpr$Parser.parse(Compiler.java:6179) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6723) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyze(Compiler.java:6485) at clojure.lang.Compiler$BodyExpr$Parser.parse(Compiler.java:5861) at clojure.lang.Compiler$FnMethod.parse(Compiler.java:5296) at
Re: Cursive and gen-class
At the moment I am dead in the water. Uninstalled cursive and now I can't reinstall. Dies after downloading. Using Java 1.7.0_65 in the IDE. Lein says: Leiningen 2.5.2 on Java 1.8.0_31 Java HotSpot(TM) 64-Bit Server VM. Going to try manually downloading cursive, if I can figure out how. On Saturday, August 22, 2015 at 6:56:46 PM UTC-4, Colin Fleming wrote: That's very strange. I'd need more detailed instructions to try to reproduce this. But the class it can't find is new in Java 8 so it looks like you have a JVM version issue. I suspect that this shows up in Cursive but not in lein because you're using a different JDK version in your Cursive project than the one that is picked up on the command line. I'm guessing that java -version on the command line will show Java 8, but the one you have configured in your Cursive project (File-Project Structure-Project-Project SDK and File-Project Structure-Modules-(your module)-Module SDK) is less than that. Is that the case? On 22 August 2015 at 23:58, William la Forge lafo...@gmail.com javascript: wrote: Bingo! Everything works when I revert to clojure 1.6.0. On Saturday, August 22, 2015 at 5:49:24 PM UTC-4, William la Forge wrote: More weirdness. This works: (let [^Object aa (.seq a5)] (println (.getClass aa))) But not this: (let [^AASetSequence aa (.seq a5)] (println (.getClass aa Nor, of course, this: (let [^AASetSequence aa (.seq a5)] (println (.count aa))) Here's the error I'm getting now: Information:8/22/2015 5:45 PM - Compilation completed with 1 error and 0 warnings in 2s 743ms C:\Users\Bill\Documents\GitHub\aa-collections\test\aa_collections\immutable_set_test.clj Error:(26, 12) clojure: java.lang.NoClassDefFoundError: java/util/function/UnaryOperator, compiling:(aa_collections/immutable_set_test.clj:26:12) java.lang.ClassNotFoundException: java.util.function.UnaryOperator at java.net.URLClassLoader$1.run (URLClassLoader.java:366) java.net.URLClassLoader$1.run (URLClassLoader.java:355) java.security.AccessController.doPrivileged (AccessController.java:-2) java.net.URLClassLoader.findClass (URLClassLoader.java:354) java.lang.ClassLoader.loadClass (ClassLoader.java:425) java.lang.ClassLoader.loadClass (ClassLoader.java:358) java.lang.Class.getDeclaredMethods0 (Class.java:-2) java.lang.Class.privateGetDeclaredMethods (Class.java:2570) java.lang.Class.privateGetPublicMethods (Class.java:2690) java.lang.Class.getMethods (Class.java:1467) On Saturday, August 22, 2015 at 5:37:13 PM UTC-4, William la Forge wrote: Hi Colin! I've set it up to compile all. No doubt this will be very helpful as I will no longer need to compile using an external `lein compile`. But run still dies on the call (.getClass x), when x is a gen-class compiled class instance. On the other hand I still can not credit this as a Cursive bug. Calling methods on gen-class compiled class instances is to basic. But it is likely related to Cursive, as 'lein test' works great. On Saturday, August 22, 2015 at 4:24:40 PM UTC-4, Colin Fleming wrote: Hi William, Right, you'll need to tell Cursive to compile that namespace in *Settings-Build, Execution, Deployment-Compiler-Clojure Compiler*. Once you've done that things should work. Cursive doesn't currently pick the set of namespaces to be compiled up from lein - it probably should. Cheers, Colin On 22 August 2015 at 17:17, William la Forge lafo...@gmail.com wrote: I searched and did not see anything recent on gen-class problems in Cursive. I find when I have a reference to a gen-class instance that instance? works in Cursive but .getClass does not. (Everything works with lein, of course.) What I am trying to do is to call the count method via (.count x). What I do not want to do is call the clojure count function, (count x). Again, no issues with lein. I suspect I simply have not completed the setup cursive for compiles or something, as all the complaints about cursive/gen-class that I could find were a year old. I know I need to switch to emacs at some times. I mean, it's only been 30 years since I used it last. :D Here's the error I'm getting: Exception in thread main java.lang.NoClassDefFoundError: java/util/function/UnaryOperator, compiling:(C:\Users\Bill\Documents\GitHub\aa-collections\test\aa_collections\immutable_set_test.clj:22:10) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6730) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6711) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyze(Compiler.java:6485) at clojure.lang.Compiler$InvokeExpr.parse(Compiler.java:3791) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6725) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyze(Compiler.java:6485) at
Re: decoding clojure generated class names
Hi Dave, All the various stacktrace-prettifying libraries (clj-stacktrace, Aviso pretty etc) all do this - check their code out for some examples. Cheers, Colin On 23 August 2015 at 01:07, Dave Tenny dave.te...@gmail.com wrote: I wanted to write a function like this: (defn fn-name-info Given a function, try to deduce the function name and clojure namespace by looking at the function's java class name and decoding stuff. Return a vector of name, namespace strings, or nil if we can't find anything. For example, if in jdt.core we do (defn foo []), the resulting value foo is a thing whose class is jdt.core$foo, for which we can return [\jdt.core\ \foo\]. However, for anonymous functions like (fn []) typed into the REPL, you're going to get something like [\jdt.core\ \eval3676$fn__3677\] [f] ) Surely someone out there has a bit of code that knows how to decode classnames accounting for many of the weird edge cases, question marks (e.g. QMARK), and so on? Can anybody help me out? FYI, the next step I had planned for this was for me to reach take that fn information, look for the var that defines it, and yank out some metadata, when all I have is the function pointer, not the var. Tips appreciated. Yes, I know it's probably a bad idea for a couple of reasons, but feel free to point them out. -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: decoding clojure generated class names
On Saturday, August 22, 2015 at 7:28:32 PM UTC-4, Alex Miller wrote: There is a demunge function in clojure.lang.Compiler. It's not foolproof as the munging is not unambiguously reversible. If the munging process loses information, isn't there a (theoretical, at least) risk of name collisions in the output? -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: Cursive and gen-class
Hi Colin! I've set it up to compile all. No doubt this will be very helpful as I will no longer need to compile using an external `lein compile`. But run still dies on the call (.getClass x), when x is a gen-class compiled class instance. On the other hand I still can not credit this as a Cursive bug. Calling methods on gen-class compiled class instances is to basic. But it is likely related to Cursive, as 'lein test' works great. On Saturday, August 22, 2015 at 4:24:40 PM UTC-4, Colin Fleming wrote: Hi William, Right, you'll need to tell Cursive to compile that namespace in *Settings-Build, Execution, Deployment-Compiler-Clojure Compiler*. Once you've done that things should work. Cursive doesn't currently pick the set of namespaces to be compiled up from lein - it probably should. Cheers, Colin On 22 August 2015 at 17:17, William la Forge lafo...@gmail.com javascript: wrote: I searched and did not see anything recent on gen-class problems in Cursive. I find when I have a reference to a gen-class instance that instance? works in Cursive but .getClass does not. (Everything works with lein, of course.) What I am trying to do is to call the count method via (.count x). What I do not want to do is call the clojure count function, (count x). Again, no issues with lein. I suspect I simply have not completed the setup cursive for compiles or something, as all the complaints about cursive/gen-class that I could find were a year old. I know I need to switch to emacs at some times. I mean, it's only been 30 years since I used it last. :D Here's the error I'm getting: Exception in thread main java.lang.NoClassDefFoundError: java/util/function/UnaryOperator, compiling:(C:\Users\Bill\Documents\GitHub\aa-collections\test\aa_collections\immutable_set_test.clj:22:10) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6730) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6711) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyze(Compiler.java:6485) at clojure.lang.Compiler$InvokeExpr.parse(Compiler.java:3791) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6725) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyze(Compiler.java:6485) at clojure.lang.Compiler$BodyExpr$Parser.parse(Compiler.java:5861) at clojure.lang.Compiler$LetExpr$Parser.parse(Compiler.java:6179) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6723) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyze(Compiler.java:6485) at clojure.lang.Compiler$BodyExpr$Parser.parse(Compiler.java:5861) at clojure.lang.Compiler$FnMethod.parse(Compiler.java:5296) at clojure.lang.Compiler$FnExpr.parse(Compiler.java:3925) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6721) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.eval(Compiler.java:6779) at clojure.lang.Compiler.load(Compiler.java:7227) at clojure.lang.Compiler.loadFile(Compiler.java:7165) at clojure.main$load_script.invoke(main.clj:275) at clojure.main$script_opt.invoke(main.clj:337) at clojure.main$main.doInvoke(main.clj:421) at clojure.lang.RestFn.invoke(RestFn.java:408) at clojure.lang.Var.invoke(Var.java:379) at clojure.lang.AFn.applyToHelper(AFn.java:154) at clojure.lang.Var.applyTo(Var.java:700) at clojure.main.main(main.java:37) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140) -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clo...@googlegroups.com javascript: Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+u...@googlegroups.com javascript: For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+u...@googlegroups.com javascript:. For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this
Re: Finding all Entities in a given partition
I forgot to include the GitHub link: https://github.com/cloojure/tupelo
Tupelo Datomic (and the rest of the Tupelo library) is intended to make it
easier more effortless to use Datomic (and Clojure in general).
Enjoy!
Alan
On Sat, Aug 22, 2015 at 5:18 PM, Alan Thompson clooj...@gmail.com wrote:
Hi,
An email to the Datomic mailing list piqued my interest, so I have added a
new funtion to the Tupelo Datomic library which allows the user to easily
( efficiently) retrieve all Entity IDs (EIDs) from a given partition
(specified as a keyword).
For example, suppose in our James Bond Unit Test
https://github.com/cloojure/tupelo/blob/master/test/tst/tupelo/datomic_bond.clj
we
wish to add Honey Rider to the partition :people. Then we could use code
like this:
ns tst.tupelo.datomic-bond
(:require [tupelo.datomic :as td] ...
; Create a partition named :people (we could namespace it like
:db.part/people if we wished)
(td/transact *conn*
(td/new-partition :people ))
; Create Honey Rider and add her to the :people partition
(let [tx-result @(td/transact *conn*
(td/new-entity :people ; - partition is first arg
(optional) to td/new-entity
{ :person/name Honey Rider :location
Caribbean :weapon/type #{:weapon/knife} } ))
[honey-eid] (td/eids tx-result) ; retrieve Honey Rider's EID
from the seq (destructuring)
]
(is (s/validate ts/Eid honey-eid)) ; verify the expected type
(is (= :people ; verify the partition name for
Honey's EID
(td/partition-name (live-db) honey-eid)))
Suppose we wanted a listing of all EIDs in the :people partition. The
simple way is to use the new function partition-eids as follows:
; Show that only Honey is in the people partition
(let [people-eids (td/partition-eids (live-db) :people)
people-entity-maps(map #(td/entity-map (live-db) %)
people-eids) ]
(is (= people-entity-maps [
{:person/name Honey Rider, :weapon/type #{:weapon/knife},
:location Caribbean} ] )))
So Honey is, indeed, the only person in the newly created :people partition,
and we have used the handy function entity-map to convert her EID into a
normal Clojure map for further processing.
Enjoy!
Alan
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Re: Rabid wild animals in my clojure argument lists, code gets infected.
https://github.com/roomkey/annotate is another possibility
- James
On 23 August 2015 at 02:06, Colin Yates colin.ya...@gmail.com wrote:
Hi Dave, it _isn't_ an Illegal argument though :-), your destructuring
is simply ignoring that parameter.
However, I get the pain and solutions might be (in order of 'heavyness'):
- http://blog.fogus.me/2009/12/21/clojures-pre-and-post/
- https://github.com/Prismatic/schema
- http://typedclojure.org/
HTH
Dave Tenny writes:
I sure wish Clojure would generate IllegalArgumentException in the
following sample case:
(defn foo [a b {:keys [c d]}] 1)
(foo 1 2 :e 5) ; blithely ignores :e 5
I understand that Clojure's destructuring things are very nice, and more
powerful than Common Lisp's, and I like
that when I need it.
However I can't tell you how many times I've been bitten by this. Some
simple typo or other other parameter name error on keyword arguments
with untended and way-too-long-to-debug consequences.
In my mind, on this subject, Common Lisp lambda lists got this right and
Clojure gets a poor grade.
Something about being doomed to repeat history. In Common Lisp, if you
really wanted to allow other (arbitrary) keywords you'd
just use allow-other-keys.
Maybe clojure should only allow the above case to go un-complained-about
if
:as was specified for the map.
If there's some automatic enforcement I'm missing that comes with 'defn'
please let me know, I'm still learning the language.
I've thought more that once about making a common lisp DEFUN statement
that
maps to DEFN but implements
lambda list semantics (including 'supplied-p' parameters). I've just
been
too lazy to do it.
It would also likely perform poorly after injecting the additional
checks/rearrangements into the function on top of what Clojure has
already
done,
so I suppose it would have to be taken a step further so that it didn't
generate DEFN expressions at all but was implemented at DEFN's level as
a seperately named form.
Tips welcome. Just thinking aloud.
- Dave
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Re: Cursive and gen-class
Set the ide to Java 8 and clojure 1.7. And now it works great. Good catch. Thanks! As for Cursive, I'm guessing it is set to be compatible with idea 14.0.x, though fortunately when you go to 14.1 the plugins get grandfathered in. Which is a bit weird! On Saturday, August 22, 2015 at 8:12:30 PM UTC-4, William la Forge wrote: lean version shows java 8, but the ide sdk is java7. Didn't know they would be connected. :0 On Saturday, August 22, 2015 at 6:56:46 PM UTC-4, Colin Fleming wrote: That's very strange. I'd need more detailed instructions to try to reproduce this. But the class it can't find is new in Java 8 so it looks like you have a JVM version issue. I suspect that this shows up in Cursive but not in lein because you're using a different JDK version in your Cursive project than the one that is picked up on the command line. I'm guessing that java -version on the command line will show Java 8, but the one you have configured in your Cursive project (File-Project Structure-Project-Project SDK and File-Project Structure-Modules-(your module)-Module SDK) is less than that. Is that the case? On 22 August 2015 at 23:58, William la Forge lafo...@gmail.com wrote: Bingo! Everything works when I revert to clojure 1.6.0. On Saturday, August 22, 2015 at 5:49:24 PM UTC-4, William la Forge wrote: More weirdness. This works: (let [^Object aa (.seq a5)] (println (.getClass aa))) But not this: (let [^AASetSequence aa (.seq a5)] (println (.getClass aa Nor, of course, this: (let [^AASetSequence aa (.seq a5)] (println (.count aa))) Here's the error I'm getting now: Information:8/22/2015 5:45 PM - Compilation completed with 1 error and 0 warnings in 2s 743ms C:\Users\Bill\Documents\GitHub\aa-collections\test\aa_collections\immutable_set_test.clj Error:(26, 12) clojure: java.lang.NoClassDefFoundError: java/util/function/UnaryOperator, compiling:(aa_collections/immutable_set_test.clj:26:12) java.lang.ClassNotFoundException: java.util.function.UnaryOperator at java.net.URLClassLoader$1.run (URLClassLoader.java:366) java.net.URLClassLoader$1.run (URLClassLoader.java:355) java.security.AccessController.doPrivileged (AccessController.java:-2) java.net.URLClassLoader.findClass (URLClassLoader.java:354) java.lang.ClassLoader.loadClass (ClassLoader.java:425) java.lang.ClassLoader.loadClass (ClassLoader.java:358) java.lang.Class.getDeclaredMethods0 (Class.java:-2) java.lang.Class.privateGetDeclaredMethods (Class.java:2570) java.lang.Class.privateGetPublicMethods (Class.java:2690) java.lang.Class.getMethods (Class.java:1467) On Saturday, August 22, 2015 at 5:37:13 PM UTC-4, William la Forge wrote: Hi Colin! I've set it up to compile all. No doubt this will be very helpful as I will no longer need to compile using an external `lein compile`. But run still dies on the call (.getClass x), when x is a gen-class compiled class instance. On the other hand I still can not credit this as a Cursive bug. Calling methods on gen-class compiled class instances is to basic. But it is likely related to Cursive, as 'lein test' works great. On Saturday, August 22, 2015 at 4:24:40 PM UTC-4, Colin Fleming wrote: Hi William, Right, you'll need to tell Cursive to compile that namespace in *Settings-Build, Execution, Deployment-Compiler-Clojure Compiler*. Once you've done that things should work. Cursive doesn't currently pick the set of namespaces to be compiled up from lein - it probably should. Cheers, Colin On 22 August 2015 at 17:17, William la Forge lafo...@gmail.com wrote: I searched and did not see anything recent on gen-class problems in Cursive. I find when I have a reference to a gen-class instance that instance? works in Cursive but .getClass does not. (Everything works with lein, of course.) What I am trying to do is to call the count method via (.count x). What I do not want to do is call the clojure count function, (count x). Again, no issues with lein. I suspect I simply have not completed the setup cursive for compiles or something, as all the complaints about cursive/gen-class that I could find were a year old. I know I need to switch to emacs at some times. I mean, it's only been 30 years since I used it last. :D Here's the error I'm getting: Exception in thread main java.lang.NoClassDefFoundError: java/util/function/UnaryOperator, compiling:(C:\Users\Bill\Documents\GitHub\aa-collections\test\aa_collections\immutable_set_test.clj:22:10) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6730) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6711) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyze(Compiler.java:6485) at clojure.lang.Compiler$InvokeExpr.parse(Compiler.java:3791) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6725)
Re: Cursive and gen-class
More weirdness. This works: (let [^Object aa (.seq a5)] (println (.getClass aa))) But not this: (let [^AASetSequence aa (.seq a5)] (println (.getClass aa Nor, of course, this: (let [^AASetSequence aa (.seq a5)] (println (.count aa))) Here's the error I'm getting now: Information:8/22/2015 5:45 PM - Compilation completed with 1 error and 0 warnings in 2s 743ms C:\Users\Bill\Documents\GitHub\aa-collections\test\aa_collections\immutable_set_test.clj Error:(26, 12) clojure: java.lang.NoClassDefFoundError: java/util/function/UnaryOperator, compiling:(aa_collections/immutable_set_test.clj:26:12) java.lang.ClassNotFoundException: java.util.function.UnaryOperator at java.net.URLClassLoader$1.run (URLClassLoader.java:366) java.net.URLClassLoader$1.run (URLClassLoader.java:355) java.security.AccessController.doPrivileged (AccessController.java:-2) java.net.URLClassLoader.findClass (URLClassLoader.java:354) java.lang.ClassLoader.loadClass (ClassLoader.java:425) java.lang.ClassLoader.loadClass (ClassLoader.java:358) java.lang.Class.getDeclaredMethods0 (Class.java:-2) java.lang.Class.privateGetDeclaredMethods (Class.java:2570) java.lang.Class.privateGetPublicMethods (Class.java:2690) java.lang.Class.getMethods (Class.java:1467) On Saturday, August 22, 2015 at 5:37:13 PM UTC-4, William la Forge wrote: Hi Colin! I've set it up to compile all. No doubt this will be very helpful as I will no longer need to compile using an external `lein compile`. But run still dies on the call (.getClass x), when x is a gen-class compiled class instance. On the other hand I still can not credit this as a Cursive bug. Calling methods on gen-class compiled class instances is to basic. But it is likely related to Cursive, as 'lein test' works great. On Saturday, August 22, 2015 at 4:24:40 PM UTC-4, Colin Fleming wrote: Hi William, Right, you'll need to tell Cursive to compile that namespace in *Settings-Build, Execution, Deployment-Compiler-Clojure Compiler*. Once you've done that things should work. Cursive doesn't currently pick the set of namespaces to be compiled up from lein - it probably should. Cheers, Colin On 22 August 2015 at 17:17, William la Forge lafo...@gmail.com wrote: I searched and did not see anything recent on gen-class problems in Cursive. I find when I have a reference to a gen-class instance that instance? works in Cursive but .getClass does not. (Everything works with lein, of course.) What I am trying to do is to call the count method via (.count x). What I do not want to do is call the clojure count function, (count x). Again, no issues with lein. I suspect I simply have not completed the setup cursive for compiles or something, as all the complaints about cursive/gen-class that I could find were a year old. I know I need to switch to emacs at some times. I mean, it's only been 30 years since I used it last. :D Here's the error I'm getting: Exception in thread main java.lang.NoClassDefFoundError: java/util/function/UnaryOperator, compiling:(C:\Users\Bill\Documents\GitHub\aa-collections\test\aa_collections\immutable_set_test.clj:22:10) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6730) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6711) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyze(Compiler.java:6485) at clojure.lang.Compiler$InvokeExpr.parse(Compiler.java:3791) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6725) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyze(Compiler.java:6485) at clojure.lang.Compiler$BodyExpr$Parser.parse(Compiler.java:5861) at clojure.lang.Compiler$LetExpr$Parser.parse(Compiler.java:6179) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6723) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyze(Compiler.java:6485) at clojure.lang.Compiler$BodyExpr$Parser.parse(Compiler.java:5861) at clojure.lang.Compiler$FnMethod.parse(Compiler.java:5296) at clojure.lang.Compiler$FnExpr.parse(Compiler.java:3925) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6721) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.eval(Compiler.java:6779) at clojure.lang.Compiler.load(Compiler.java:7227) at clojure.lang.Compiler.loadFile(Compiler.java:7165) at clojure.main$load_script.invoke(main.clj:275) at clojure.main$script_opt.invoke(main.clj:337) at clojure.main$main.doInvoke(main.clj:421) at clojure.lang.RestFn.invoke(RestFn.java:408) at clojure.lang.Var.invoke(Var.java:379) at clojure.lang.AFn.applyToHelper(AFn.java:154) at clojure.lang.Var.applyTo(Var.java:700) at clojure.main.main(main.java:37) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at
decoding clojure generated class names
I wanted to write a function like this: (defn fn-name-info Given a function, try to deduce the function name and clojure namespace by looking at the function's java class name and decoding stuff. Return a vector of name, namespace strings, or nil if we can't find anything. For example, if in jdt.core we do (defn foo []), the resulting value foo is a thing whose class is jdt.core$foo, for which we can return [\jdt.core\ \foo\]. However, for anonymous functions like (fn []) typed into the REPL, you're going to get something like [\jdt.core\ \eval3676$fn__3677\] [f] ) Surely someone out there has a bit of code that knows how to decode classnames accounting for many of the weird edge cases, question marks (e.g. QMARK), and so on? Can anybody help me out? FYI, the next step I had planned for this was for me to reach take that fn information, look for the var that defines it, and yank out some metadata, when all I have is the function pointer, not the var. Tips appreciated. Yes, I know it's probably a bad idea for a couple of reasons, but feel free to point them out. -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Fwd: Finding all Entities in a given partition
Hi,
An email to the Datomic mailing list piqued my interest, so I have added a
new funtion to the Tupelo Datomic library which allows the user to easily
( efficiently) retrieve all Entity IDs (EIDs) from a given partition
(specified as a keyword).
For example, suppose in our James Bond Unit Test
https://github.com/cloojure/tupelo/blob/master/test/tst/tupelo/datomic_bond.clj
we
wish to add Honey Rider to the partition :people. Then we could use code
like this:
ns tst.tupelo.datomic-bond
(:require [tupelo.datomic :as td] ...
; Create a partition named :people (we could namespace it like
:db.part/people if we wished)
(td/transact *conn*
(td/new-partition :people ))
; Create Honey Rider and add her to the :people partition
(let [tx-result @(td/transact *conn*
(td/new-entity :people ; - partition is first arg
(optional) to td/new-entity
{ :person/name Honey Rider :location
Caribbean :weapon/type #{:weapon/knife} } ))
[honey-eid] (td/eids tx-result) ; retrieve Honey Rider's EID from
the seq (destructuring)
]
(is (s/validate ts/Eid honey-eid)) ; verify the expected type
(is (= :people ; verify the partition name for
Honey's EID
(td/partition-name (live-db) honey-eid)))
Suppose we wanted a listing of all EIDs in the :people partition. The
simple way is to use the new function partition-eids as follows:
; Show that only Honey is in the people partition
(let [people-eids (td/partition-eids (live-db) :people)
people-entity-maps(map #(td/entity-map (live-db) %)
people-eids) ]
(is (= people-entity-maps [
{:person/name Honey Rider, :weapon/type #{:weapon/knife},
:location Caribbean} ] )))
So Honey is, indeed, the only person in the newly created :people partition,
and we have used the handy function entity-map to convert her EID into a
normal Clojure map for further processing.
Enjoy!
Alan
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Re: Rabid wild animals in my clojure argument lists, code gets infected.
Hi Dave, it _isn't_ an Illegal argument though :-), your destructuring
is simply ignoring that parameter.
However, I get the pain and solutions might be (in order of 'heavyness'):
- http://blog.fogus.me/2009/12/21/clojures-pre-and-post/
- https://github.com/Prismatic/schema
- http://typedclojure.org/
HTH
Dave Tenny writes:
I sure wish Clojure would generate IllegalArgumentException in the
following sample case:
(defn foo [a b {:keys [c d]}] 1)
(foo 1 2 :e 5) ; blithely ignores :e 5
I understand that Clojure's destructuring things are very nice, and more
powerful than Common Lisp's, and I like
that when I need it.
However I can't tell you how many times I've been bitten by this. Some
simple typo or other other parameter name error on keyword arguments
with untended and way-too-long-to-debug consequences.
In my mind, on this subject, Common Lisp lambda lists got this right and
Clojure gets a poor grade.
Something about being doomed to repeat history. In Common Lisp, if you
really wanted to allow other (arbitrary) keywords you'd
just use allow-other-keys.
Maybe clojure should only allow the above case to go un-complained-about if
:as was specified for the map.
If there's some automatic enforcement I'm missing that comes with 'defn'
please let me know, I'm still learning the language.
I've thought more that once about making a common lisp DEFUN statement that
maps to DEFN but implements
lambda list semantics (including 'supplied-p' parameters). I've just been
too lazy to do it.
It would also likely perform poorly after injecting the additional
checks/rearrangements into the function on top of what Clojure has already
done,
so I suppose it would have to be taken a step further so that it didn't
generate DEFN expressions at all but was implemented at DEFN's level as
a seperately named form.
Tips welcome. Just thinking aloud.
- Dave
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Re: Cursive and gen-class
Loving this. I had uninstalled cursive so I could reinstall. But the download of the plugin fails and when installing from disk it says cursive-14-0.1.60 is not compatible. (I'm running with idea 14.1.4.) Deleted the idea system cache, restarted, still incompatible. :-( On Saturday, August 22, 2015 at 8:12:30 PM UTC-4, William la Forge wrote: lean version shows java 8, but the ide sdk is java7. Didn't know they would be connected. :0 On Saturday, August 22, 2015 at 6:56:46 PM UTC-4, Colin Fleming wrote: That's very strange. I'd need more detailed instructions to try to reproduce this. But the class it can't find is new in Java 8 so it looks like you have a JVM version issue. I suspect that this shows up in Cursive but not in lein because you're using a different JDK version in your Cursive project than the one that is picked up on the command line. I'm guessing that java -version on the command line will show Java 8, but the one you have configured in your Cursive project (File-Project Structure-Project-Project SDK and File-Project Structure-Modules-(your module)-Module SDK) is less than that. Is that the case? On 22 August 2015 at 23:58, William la Forge lafo...@gmail.com wrote: Bingo! Everything works when I revert to clojure 1.6.0. On Saturday, August 22, 2015 at 5:49:24 PM UTC-4, William la Forge wrote: More weirdness. This works: (let [^Object aa (.seq a5)] (println (.getClass aa))) But not this: (let [^AASetSequence aa (.seq a5)] (println (.getClass aa Nor, of course, this: (let [^AASetSequence aa (.seq a5)] (println (.count aa))) Here's the error I'm getting now: Information:8/22/2015 5:45 PM - Compilation completed with 1 error and 0 warnings in 2s 743ms C:\Users\Bill\Documents\GitHub\aa-collections\test\aa_collections\immutable_set_test.clj Error:(26, 12) clojure: java.lang.NoClassDefFoundError: java/util/function/UnaryOperator, compiling:(aa_collections/immutable_set_test.clj:26:12) java.lang.ClassNotFoundException: java.util.function.UnaryOperator at java.net.URLClassLoader$1.run (URLClassLoader.java:366) java.net.URLClassLoader$1.run (URLClassLoader.java:355) java.security.AccessController.doPrivileged (AccessController.java:-2) java.net.URLClassLoader.findClass (URLClassLoader.java:354) java.lang.ClassLoader.loadClass (ClassLoader.java:425) java.lang.ClassLoader.loadClass (ClassLoader.java:358) java.lang.Class.getDeclaredMethods0 (Class.java:-2) java.lang.Class.privateGetDeclaredMethods (Class.java:2570) java.lang.Class.privateGetPublicMethods (Class.java:2690) java.lang.Class.getMethods (Class.java:1467) On Saturday, August 22, 2015 at 5:37:13 PM UTC-4, William la Forge wrote: Hi Colin! I've set it up to compile all. No doubt this will be very helpful as I will no longer need to compile using an external `lein compile`. But run still dies on the call (.getClass x), when x is a gen-class compiled class instance. On the other hand I still can not credit this as a Cursive bug. Calling methods on gen-class compiled class instances is to basic. But it is likely related to Cursive, as 'lein test' works great. On Saturday, August 22, 2015 at 4:24:40 PM UTC-4, Colin Fleming wrote: Hi William, Right, you'll need to tell Cursive to compile that namespace in *Settings-Build, Execution, Deployment-Compiler-Clojure Compiler*. Once you've done that things should work. Cursive doesn't currently pick the set of namespaces to be compiled up from lein - it probably should. Cheers, Colin On 22 August 2015 at 17:17, William la Forge lafo...@gmail.com wrote: I searched and did not see anything recent on gen-class problems in Cursive. I find when I have a reference to a gen-class instance that instance? works in Cursive but .getClass does not. (Everything works with lein, of course.) What I am trying to do is to call the count method via (.count x). What I do not want to do is call the clojure count function, (count x). Again, no issues with lein. I suspect I simply have not completed the setup cursive for compiles or something, as all the complaints about cursive/gen-class that I could find were a year old. I know I need to switch to emacs at some times. I mean, it's only been 30 years since I used it last. :D Here's the error I'm getting: Exception in thread main java.lang.NoClassDefFoundError: java/util/function/UnaryOperator, compiling:(C:\Users\Bill\Documents\GitHub\aa-collections\test\aa_collections\immutable_set_test.clj:22:10) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6730) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6711) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyze(Compiler.java:6485) at clojure.lang.Compiler$InvokeExpr.parse(Compiler.java:3791) at
Re: Cursive and gen-class
Woh! I had to revert to 14.0.2 before idea accepted the clojure plugin as being compatible. On Saturday, August 22, 2015 at 8:42:42 PM UTC-4, William la Forge wrote: Loving this. I had uninstalled cursive so I could reinstall. But the download of the plugin fails and when installing from disk it says cursive-14-0.1.60 is not compatible. (I'm running with idea 14.1.4.) Deleted the idea system cache, restarted, still incompatible. :-( On Saturday, August 22, 2015 at 8:12:30 PM UTC-4, William la Forge wrote: lean version shows java 8, but the ide sdk is java7. Didn't know they would be connected. :0 On Saturday, August 22, 2015 at 6:56:46 PM UTC-4, Colin Fleming wrote: That's very strange. I'd need more detailed instructions to try to reproduce this. But the class it can't find is new in Java 8 so it looks like you have a JVM version issue. I suspect that this shows up in Cursive but not in lein because you're using a different JDK version in your Cursive project than the one that is picked up on the command line. I'm guessing that java -version on the command line will show Java 8, but the one you have configured in your Cursive project (File-Project Structure-Project-Project SDK and File-Project Structure-Modules-(your module)-Module SDK) is less than that. Is that the case? On 22 August 2015 at 23:58, William la Forge lafo...@gmail.com wrote: Bingo! Everything works when I revert to clojure 1.6.0. On Saturday, August 22, 2015 at 5:49:24 PM UTC-4, William la Forge wrote: More weirdness. This works: (let [^Object aa (.seq a5)] (println (.getClass aa))) But not this: (let [^AASetSequence aa (.seq a5)] (println (.getClass aa Nor, of course, this: (let [^AASetSequence aa (.seq a5)] (println (.count aa))) Here's the error I'm getting now: Information:8/22/2015 5:45 PM - Compilation completed with 1 error and 0 warnings in 2s 743ms C:\Users\Bill\Documents\GitHub\aa-collections\test\aa_collections\immutable_set_test.clj Error:(26, 12) clojure: java.lang.NoClassDefFoundError: java/util/function/UnaryOperator, compiling:(aa_collections/immutable_set_test.clj:26:12) java.lang.ClassNotFoundException: java.util.function.UnaryOperator at java.net.URLClassLoader$1.run (URLClassLoader.java:366) java.net.URLClassLoader$1.run (URLClassLoader.java:355) java.security.AccessController.doPrivileged (AccessController.java:-2) java.net.URLClassLoader.findClass (URLClassLoader.java:354) java.lang.ClassLoader.loadClass (ClassLoader.java:425) java.lang.ClassLoader.loadClass (ClassLoader.java:358) java.lang.Class.getDeclaredMethods0 (Class.java:-2) java.lang.Class.privateGetDeclaredMethods (Class.java:2570) java.lang.Class.privateGetPublicMethods (Class.java:2690) java.lang.Class.getMethods (Class.java:1467) On Saturday, August 22, 2015 at 5:37:13 PM UTC-4, William la Forge wrote: Hi Colin! I've set it up to compile all. No doubt this will be very helpful as I will no longer need to compile using an external `lein compile`. But run still dies on the call (.getClass x), when x is a gen-class compiled class instance. On the other hand I still can not credit this as a Cursive bug. Calling methods on gen-class compiled class instances is to basic. But it is likely related to Cursive, as 'lein test' works great. On Saturday, August 22, 2015 at 4:24:40 PM UTC-4, Colin Fleming wrote: Hi William, Right, you'll need to tell Cursive to compile that namespace in *Settings-Build, Execution, Deployment-Compiler-Clojure Compiler*. Once you've done that things should work. Cursive doesn't currently pick the set of namespaces to be compiled up from lein - it probably should. Cheers, Colin On 22 August 2015 at 17:17, William la Forge lafo...@gmail.com wrote: I searched and did not see anything recent on gen-class problems in Cursive. I find when I have a reference to a gen-class instance that instance? works in Cursive but .getClass does not. (Everything works with lein, of course.) What I am trying to do is to call the count method via (.count x). What I do not want to do is call the clojure count function, (count x). Again, no issues with lein. I suspect I simply have not completed the setup cursive for compiles or something, as all the complaints about cursive/gen-class that I could find were a year old. I know I need to switch to emacs at some times. I mean, it's only been 30 years since I used it last. :D Here's the error I'm getting: Exception in thread main java.lang.NoClassDefFoundError: java/util/function/UnaryOperator, compiling:(C:\Users\Bill\Documents\GitHub\aa-collections\test\aa_collections\immutable_set_test.clj:22:10) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6730) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6711) at
Re: Cursive and gen-class
On Saturday, August 22, 2015 at 8:42:42 PM UTC-4, William la Forge wrote: Loving this. I had uninstalled cursive so I could reinstall. But the download of the plugin fails and when installing from disk it says cursive-14-0.1.60 is not compatible. (I'm running with idea 14.1.4.) Deleted the idea system cache, restarted, still incompatible. :-( It never ceases to amaze me that people pay for proprietary junk like IntelliJ and Windoze that are prone to hose themselves to the point of needing a format+reinstall to get them working again, while there are good, free alternatives out there like Eclipse/CCW and Linux that Just Work(tm). -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: decoding clojure generated class names
Yes. Specifically, - and _ both map to _ so foo-bar and foo_bar generate the same class name. So don't do that. -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: Cursive and gen-class
Hi William, Right, you'll need to tell Cursive to compile that namespace in *Settings-Build, Execution, Deployment-Compiler-Clojure Compiler*. Once you've done that things should work. Cursive doesn't currently pick the set of namespaces to be compiled up from lein - it probably should. Cheers, Colin On 22 August 2015 at 17:17, William la Forge laforg...@gmail.com wrote: I searched and did not see anything recent on gen-class problems in Cursive. I find when I have a reference to a gen-class instance that instance? works in Cursive but .getClass does not. (Everything works with lein, of course.) What I am trying to do is to call the count method via (.count x). What I do not want to do is call the clojure count function, (count x). Again, no issues with lein. I suspect I simply have not completed the setup cursive for compiles or something, as all the complaints about cursive/gen-class that I could find were a year old. I know I need to switch to emacs at some times. I mean, it's only been 30 years since I used it last. :D Here's the error I'm getting: Exception in thread main java.lang.NoClassDefFoundError: java/util/function/UnaryOperator, compiling:(C:\Users\Bill\Documents\GitHub\aa-collections\test\aa_collections\immutable_set_test.clj:22:10) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6730) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6711) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyze(Compiler.java:6485) at clojure.lang.Compiler$InvokeExpr.parse(Compiler.java:3791) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6725) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyze(Compiler.java:6485) at clojure.lang.Compiler$BodyExpr$Parser.parse(Compiler.java:5861) at clojure.lang.Compiler$LetExpr$Parser.parse(Compiler.java:6179) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6723) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyze(Compiler.java:6485) at clojure.lang.Compiler$BodyExpr$Parser.parse(Compiler.java:5861) at clojure.lang.Compiler$FnMethod.parse(Compiler.java:5296) at clojure.lang.Compiler$FnExpr.parse(Compiler.java:3925) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6721) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.eval(Compiler.java:6779) at clojure.lang.Compiler.load(Compiler.java:7227) at clojure.lang.Compiler.loadFile(Compiler.java:7165) at clojure.main$load_script.invoke(main.clj:275) at clojure.main$script_opt.invoke(main.clj:337) at clojure.main$main.doInvoke(main.clj:421) at clojure.lang.RestFn.invoke(RestFn.java:408) at clojure.lang.Var.invoke(Var.java:379) at clojure.lang.AFn.applyToHelper(AFn.java:154) at clojure.lang.Var.applyTo(Var.java:700) at clojure.main.main(main.java:37) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140) -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Rabid wild animals in my clojure argument lists, code gets infected.
I sure wish Clojure would generate IllegalArgumentException in the
following sample case:
(defn foo [a b {:keys [c d]}] 1)
(foo 1 2 :e 5) ; blithely ignores :e 5
I understand that Clojure's destructuring things are very nice, and more
powerful than Common Lisp's, and I like
that when I need it.
However I can't tell you how many times I've been bitten by this. Some
simple typo or other other parameter name error on keyword arguments
with untended and way-too-long-to-debug consequences.
In my mind, on this subject, Common Lisp lambda lists got this right and
Clojure gets a poor grade.
Something about being doomed to repeat history. In Common Lisp, if you
really wanted to allow other (arbitrary) keywords you'd
just use allow-other-keys.
Maybe clojure should only allow the above case to go un-complained-about if
:as was specified for the map.
If there's some automatic enforcement I'm missing that comes with 'defn'
please let me know, I'm still learning the language.
I've thought more that once about making a common lisp DEFUN statement that
maps to DEFN but implements
lambda list semantics (including 'supplied-p' parameters). I've just been
too lazy to do it.
It would also likely perform poorly after injecting the additional
checks/rearrangements into the function on top of what Clojure has already
done,
so I suppose it would have to be taken a step further so that it didn't
generate DEFN expressions at all but was implemented at DEFN's level as
a seperately named form.
Tips welcome. Just thinking aloud.
- Dave
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decoding clojure generated class names
There is a demunge function in clojure.lang.Compiler. It's not foolproof as the munging is not unambiguously reversible. -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: Cursive and gen-class
lean version shows java 8, but the ide sdk is java7. Didn't know they would be connected. :0 On Saturday, August 22, 2015 at 6:56:46 PM UTC-4, Colin Fleming wrote: That's very strange. I'd need more detailed instructions to try to reproduce this. But the class it can't find is new in Java 8 so it looks like you have a JVM version issue. I suspect that this shows up in Cursive but not in lein because you're using a different JDK version in your Cursive project than the one that is picked up on the command line. I'm guessing that java -version on the command line will show Java 8, but the one you have configured in your Cursive project (File-Project Structure-Project-Project SDK and File-Project Structure-Modules-(your module)-Module SDK) is less than that. Is that the case? On 22 August 2015 at 23:58, William la Forge lafo...@gmail.com javascript: wrote: Bingo! Everything works when I revert to clojure 1.6.0. On Saturday, August 22, 2015 at 5:49:24 PM UTC-4, William la Forge wrote: More weirdness. This works: (let [^Object aa (.seq a5)] (println (.getClass aa))) But not this: (let [^AASetSequence aa (.seq a5)] (println (.getClass aa Nor, of course, this: (let [^AASetSequence aa (.seq a5)] (println (.count aa))) Here's the error I'm getting now: Information:8/22/2015 5:45 PM - Compilation completed with 1 error and 0 warnings in 2s 743ms C:\Users\Bill\Documents\GitHub\aa-collections\test\aa_collections\immutable_set_test.clj Error:(26, 12) clojure: java.lang.NoClassDefFoundError: java/util/function/UnaryOperator, compiling:(aa_collections/immutable_set_test.clj:26:12) java.lang.ClassNotFoundException: java.util.function.UnaryOperator at java.net.URLClassLoader$1.run (URLClassLoader.java:366) java.net.URLClassLoader$1.run (URLClassLoader.java:355) java.security.AccessController.doPrivileged (AccessController.java:-2) java.net.URLClassLoader.findClass (URLClassLoader.java:354) java.lang.ClassLoader.loadClass (ClassLoader.java:425) java.lang.ClassLoader.loadClass (ClassLoader.java:358) java.lang.Class.getDeclaredMethods0 (Class.java:-2) java.lang.Class.privateGetDeclaredMethods (Class.java:2570) java.lang.Class.privateGetPublicMethods (Class.java:2690) java.lang.Class.getMethods (Class.java:1467) On Saturday, August 22, 2015 at 5:37:13 PM UTC-4, William la Forge wrote: Hi Colin! I've set it up to compile all. No doubt this will be very helpful as I will no longer need to compile using an external `lein compile`. But run still dies on the call (.getClass x), when x is a gen-class compiled class instance. On the other hand I still can not credit this as a Cursive bug. Calling methods on gen-class compiled class instances is to basic. But it is likely related to Cursive, as 'lein test' works great. On Saturday, August 22, 2015 at 4:24:40 PM UTC-4, Colin Fleming wrote: Hi William, Right, you'll need to tell Cursive to compile that namespace in *Settings-Build, Execution, Deployment-Compiler-Clojure Compiler*. Once you've done that things should work. Cursive doesn't currently pick the set of namespaces to be compiled up from lein - it probably should. Cheers, Colin On 22 August 2015 at 17:17, William la Forge lafo...@gmail.com wrote: I searched and did not see anything recent on gen-class problems in Cursive. I find when I have a reference to a gen-class instance that instance? works in Cursive but .getClass does not. (Everything works with lein, of course.) What I am trying to do is to call the count method via (.count x). What I do not want to do is call the clojure count function, (count x). Again, no issues with lein. I suspect I simply have not completed the setup cursive for compiles or something, as all the complaints about cursive/gen-class that I could find were a year old. I know I need to switch to emacs at some times. I mean, it's only been 30 years since I used it last. :D Here's the error I'm getting: Exception in thread main java.lang.NoClassDefFoundError: java/util/function/UnaryOperator, compiling:(C:\Users\Bill\Documents\GitHub\aa-collections\test\aa_collections\immutable_set_test.clj:22:10) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6730) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6711) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyze(Compiler.java:6485) at clojure.lang.Compiler$InvokeExpr.parse(Compiler.java:3791) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6725) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyze(Compiler.java:6485) at clojure.lang.Compiler$BodyExpr$Parser.parse(Compiler.java:5861) at clojure.lang.Compiler$LetExpr$Parser.parse(Compiler.java:6179) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6723) at
Cursive and gen-class
I searched and did not see anything recent on gen-class problems in Cursive. I find when I have a reference to a gen-class instance that instance? works in Cursive but .getClass does not. (Everything works with lein, of course.) What I am trying to do is to call the count method via (.count x). What I do not want to do is call the clojure count function, (count x). Again, no issues with lein. I suspect I simply have not completed the setup cursive for compiles or something, as all the complaints about cursive/gen-class that I could find were a year old. I know I need to switch to emacs at some times. I mean, it's only been 30 years since I used it last. :D Here's the error I'm getting: Exception in thread main java.lang.NoClassDefFoundError: java/util/function/UnaryOperator, compiling:(C:\Users\Bill\Documents\GitHub\aa-collections\test\aa_collections\immutable_set_test.clj:22:10) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6730) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6711) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyze(Compiler.java:6485) at clojure.lang.Compiler$InvokeExpr.parse(Compiler.java:3791) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6725) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyze(Compiler.java:6485) at clojure.lang.Compiler$BodyExpr$Parser.parse(Compiler.java:5861) at clojure.lang.Compiler$LetExpr$Parser.parse(Compiler.java:6179) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6723) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.analyze(Compiler.java:6485) at clojure.lang.Compiler$BodyExpr$Parser.parse(Compiler.java:5861) at clojure.lang.Compiler$FnMethod.parse(Compiler.java:5296) at clojure.lang.Compiler$FnExpr.parse(Compiler.java:3925) at clojure.lang.Compiler.analyzeSeq(Compiler.java:6721) at clojure.lang.Compiler.analyze(Compiler.java:6524) at clojure.lang.Compiler.eval(Compiler.java:6779) at clojure.lang.Compiler.load(Compiler.java:7227) at clojure.lang.Compiler.loadFile(Compiler.java:7165) at clojure.main$load_script.invoke(main.clj:275) at clojure.main$script_opt.invoke(main.clj:337) at clojure.main$main.doInvoke(main.clj:421) at clojure.lang.RestFn.invoke(RestFn.java:408) at clojure.lang.Var.invoke(Var.java:379) at clojure.lang.AFn.applyToHelper(AFn.java:154) at clojure.lang.Var.applyTo(Var.java:700) at clojure.main.main(main.java:37) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140) -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
