OK, I get it now. By using Point. I'm ... temporarily descending into the Java world, on top of which Clojure is built.
By using ->Point I remain in the more harmonious Clojure world, which usually hides the darkness of Java from me. (No offense meant to Java afficionados. One of the things I love about Clojure is its Java interop.) On Thursday, October 31, 2013 10:38:31 AM UTC-5, Mauricio Aldazosa wrote: > > On Thu, Oct 31, 2013 at 9:15 AM, Mars0i <mars...@logical.net <javascript:> > > wrote: > >> Excellent. Thanks Tassilo. I had attempted to do the same sort of thing >> using >> Point. >> rather than >> ->Point >> which didn't work: >> user => (doc Point.) >> nil >> user=> Point. >> CompilerException java.lang.ClassNotFoundException: Point., >> compiling:(NO_SOURCE_PATH:0:0) >> user=> ->Point >> #<user$eval254$__GT_Point__269 user$eval254$__GT_Point__269@3c90fa05> >> >> I had assumed that Point. and ->Point were the same thing, but they are >> apparently not. ->Point names something real, while Point. is just some >> kind of magic, I guess. >> > > The thing to remember here is that by defining a record you are creating a > new Java class. As a convenience a factory function (Point->) is created > for you, but you can always create instances of your record via the > constructor (Point.). Point. is a macro that expands to (new Point). > > Take a look at http://clojure.org/datatypes for an introduction of what > is going on when you use defrecord and > http://clojure.org/java_interop#Java%20Interop-The%20Dot%20special%20form-(new%20Classname%20args*)for > the constructor documentation. > > Mauricio > -- -- 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/groups/opt_out.
