Re: Remember the Vasa! by Bjarne Stroustrup

On Tuesday, 29 May 2018 at 05:11:27 UTC, Dmitry Olshansky wrote: D is probably at the edge of what I can tollerate complexity-wise. And we’ll get to simplify a few things soon I believe. There is the core of the problem. Because you want to understand it all, therefore it must be

Re: Remember the Vasa! by Bjarne Stroustrup

On Tuesday, 29 May 2018 at 03:56:05 UTC, Dmitry Olshansky wrote: It seems C++ is following the road of PL/I, which is growing language way beyond the point anyone can understand or implement all of it. A key line from this paper We now have about 150 cooks; that’s not a good way to get a

Re: Remember the Vasa! by Bjarne Stroustrup

On Tuesday, 29 May 2018 at 04:41:33 UTC, Komplex wrote: On Tuesday, 29 May 2018 at 03:56:05 UTC, Dmitry Olshansky wrote: It seems C++ is following the road of PL/I, which is growing language way beyond the point anyone can understand or implement all of it. but that happened to the linux

Re: Remember the Vasa! by Bjarne Stroustrup

On Tuesday, May 29, 2018 03:43:00 TheMightWarship via Digitalmars-d wrote: > On Tuesday, 29 May 2018 at 01:46:47 UTC, Walter Bright wrote: > > A cautionary tale we should all keep in mind. > > > > http://open-std.org/JTC1/SC22/WG21/docs/papers/2018/p0977r0.pdf > > > >

Re: Why 'getSymbolsByUDA' filters private members?

On Tuesday, 29 May 2018 at 02:46:03 UTC, Jonathan M Davis wrote: On Monday, May 28, 2018 05:43:23 Simen Kjærås via Digitalmars-d-learn wrote: On Sunday, 27 May 2018 at 17:42:15 UTC, Sobaya wrote: > I'd like to get symbols that have an UDA. > > But when the member is private, it is not obtained.

Re: using wkhtmltopdf with D

On Tuesday, 29 May 2018 at 04:49:34 UTC, Nicholas Wilson wrote: On Tuesday, 29 May 2018 at 01:43:17 UTC, Mike Parker wrote: In pdf.h, that CAPI macro is used in every function declaration. That means that on Windows, all of the functions have the __stdcall calling convention (which, in D,

Re: using wkhtmltopdf with D

On Tuesday, 29 May 2018 at 01:43:17 UTC, Mike Parker wrote: In pdf.h, that CAPI macro is used in every function declaration. That means that on Windows, all of the functions have the __stdcall calling convention (which, in D, would be extern(Windows)) and the standard cdecl calling convetion

Re: Remember the Vasa! by Bjarne Stroustrup

On Tuesday, 29 May 2018 at 03:56:05 UTC, Dmitry Olshansky wrote: It seems C++ is following the road of PL/I, which is growing language way beyond the point anyone can understand or implement all of it. but that happened to the linux kernel too, long ago? and yet...it's everywhere..and

Re: Remember the Vasa! by Bjarne Stroustrup

On Tuesday, 29 May 2018 at 03:56:05 UTC, Dmitry Olshansky wrote: On Tuesday, 29 May 2018 at 01:46:47 UTC, Walter Bright wrote: A cautionary tale we should all keep in mind. http://open-std.org/JTC1/SC22/WG21/docs/papers/2018/p0977r0.pdf

Re: Remember the Vasa! by Bjarne Stroustrup

On Tuesday, 29 May 2018 at 01:46:47 UTC, Walter Bright wrote: A cautionary tale we should all keep in mind. http://open-std.org/JTC1/SC22/WG21/docs/papers/2018/p0977r0.pdf https://www.reddit.com/r/programming/comments/8mq10v/bjarne_stroustroup_remeber_the_vasa_critique_of/

[Issue 18905] [Reg 2.079] C++ classes can no longer be used with -betterC

https://issues.dlang.org/show_bug.cgi?id=18905 --- Comment #3 from Walter Bright --- https://github.com/dlang/dmd/pull/8304 --

Re: Remember the Vasa! by Bjarne Stroustrup

On Tuesday, 29 May 2018 at 01:46:47 UTC, Walter Bright wrote: A cautionary tale we should all keep in mind. http://open-std.org/JTC1/SC22/WG21/docs/papers/2018/p0977r0.pdf https://www.reddit.com/r/programming/comments/8mq10v/bjarne_stroustroup_remeber_the_vasa_critique_of/

Re: Why 'getSymbolsByUDA' filters private members?

On Monday, May 28, 2018 05:43:23 Simen Kjærås via Digitalmars-d-learn wrote: > On Sunday, 27 May 2018 at 17:42:15 UTC, Sobaya wrote: > > I'd like to get symbols that have an UDA. > > > > But when the member is private, it is not obtained. > > > > And I found a comment saying "Filtering

Re: Remember the Vasa! by Bjarne Stroustrup

On 5/28/2018 6:54 PM, 12345swordy wrote: No doubt that all this complexity is partially due to having a religious like zeal when it comes to preserving backwards compatibility. I mean create a new official file extension, so that it can make much needed breaking changes on it. For all the

Re: Remember the Vasa! by Bjarne Stroustrup

On Tuesday, 29 May 2018 at 01:46:47 UTC, Walter Bright wrote: A cautionary tale we should all keep in mind. http://open-std.org/JTC1/SC22/WG21/docs/papers/2018/p0977r0.pdf https://www.reddit.com/r/programming/comments/8mq10v/bjarne_stroustroup_remeber_the_vasa_critique_of/

Remember the Vasa! by Bjarne Stroustrup

A cautionary tale we should all keep in mind. http://open-std.org/JTC1/SC22/WG21/docs/papers/2018/p0977r0.pdf https://www.reddit.com/r/programming/comments/8mq10v/bjarne_stroustroup_remeber_the_vasa_critique_of/ https://news.ycombinator.com/item?id=17172057

Re: using wkhtmltopdf with D

On Monday, 28 May 2018 at 21:05:00 UTC, Dr.No wrote: On Monday, 28 May 2018 at 02:10:48 UTC, sarn wrote: On Monday, 28 May 2018 at 01:28:10 UTC, Dr.No wrote: What's likely the reason of the crash? mismatch between D and C memory alignment? From an ABI point of view, the raw pointers won't

Re: Conditionally set nothrow: for a block of code.

On Thursday, 24 May 2018 at 18:51:31 UTC, Mike Franklin wrote: I'm trying to find a way to declare a block of code `nothrow:` when compiling with -betterC, but not `nothrow` when not compiling with -betterC. The solution is needed for this PR:

Re: What is special about an immutable array of class objects, and why can I not .dup ?

On 5/28/18 9:51 AM, James Blachly wrote: Why are the class objects special in this case, and why does `immutable(C)[]` not help?   I believed that this defined a dynamic array `c` which was itself mutable, the elements of which were immutable. To build on what others have said, the key thing

Re: SecureD Futures (v2.0)

On Monday, 28 May 2018 at 07:52:43 UTC, Adam Wilson wrote: I understand that. Sorry, not for nothing, but you obviously don't. For starters, if you were familiar with the key derivation tools available 24hrs ago, you wouldn't have come up with PBKDF2 on PBKDF2. I suggest slowing down a

[Issue 18871] DMD "illegal hardware instruction" crash

https://issues.dlang.org/show_bug.cgi?id=18871 Mike Franklin changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Issue 18871] DMD "illegal hardware instruction" crash

https://issues.dlang.org/show_bug.cgi?id=18871 Walter Bright changed: What|Removed |Added CC||bugzi...@digitalmars.com --- Comment #6

[Issue 18880] [REG2.079] Miscompilation of unittests when two are mixed-in on one line

https://issues.dlang.org/show_bug.cgi?id=18880 Walter Bright changed: What|Removed |Added CC||bugzi...@digitalmars.com --- Comment #4

Re: D's Destructors are What Scott Meyers Warned Us About

On Monday, 28 May 2018 at 22:37:01 UTC, sarn wrote: On Monday, 28 May 2018 at 20:13:47 UTC, 12345swordy wrote: [...] Code using destroy() can still use destroy(). Otherwise, __vdtor would be callable in the same way that __dtor and __xdtor are. [...] Interesting... You don't mind me

Re: How do I break from loop when using parallel()?

On Monday, 28 May 2018 at 21:04:21 UTC, Dr.No wrote: import std.parallelism : parallel; foreach(t; parallel(arr)) { if(!doSomething(t)) { return false; }

Re: How do I break from loop when using parallel()?

On Monday, 28 May 2018 at 21:04:21 UTC, Dr.No wrote: import std.parallelism : parallel; foreach(t; parallel(arr)) { if(!doSomething(t)) { return false; }

Re: D's Destructors are What Scott Meyers Warned Us About

On Monday, 28 May 2018 at 20:13:47 UTC, 12345swordy wrote: How is __vdtor is going to be called, via destroy or via directly? Code using destroy() can still use destroy(). Otherwise, __vdtor would be callable in the same way that __dtor and __xdtor are. The plan is to have a better, safer,

[Issue 18884] getSymbolsByUDA fails on AliasSeq members

https://issues.dlang.org/show_bug.cgi?id=18884 Walter Bright changed: What|Removed |Added CC||bugzi...@digitalmars.com --- Comment #2

Re: Build interface from abstract class

this might help you, https://dpaste.dzfl.pl/2cf844a11e3f you can use them to generate the functions as strings.

How do I break from loop when using parallel()?

import std.parallelism : parallel; foreach(t; parallel(arr)) { if(!doSomething(t)) { return false; } } It reuturns the run time error:

Re: using wkhtmltopdf with D

On Monday, 28 May 2018 at 02:10:48 UTC, sarn wrote: On Monday, 28 May 2018 at 01:28:10 UTC, Dr.No wrote: What's likely the reason of the crash? mismatch between D and C memory alignment? From an ABI point of view, the raw pointers won't care about the memory structure they point to. The

Re: Build interface from abstract class

On Monday, 28 May 2018 at 11:51:20 UTC, Simen Kjærås wrote: On Monday, 28 May 2018 at 09:59:50 UTC, DigitalDesigns wrote: Implementing interfaces can be a pain but are necessary. I like to use abstract classes and provide a base implementation. It would be cool if I could use D's awesome

Re: D's Destructors are What Scott Meyers Warned Us About

On Monday, 28 May 2018 at 04:26:02 UTC, sarn wrote: On Sunday, 27 May 2018 at 22:27:52 UTC, sarn wrote: I've been thinking this through a bit, and here's what I've got so far: Here's a tweak that should be implementable without any language changes: Instead of trying to detect an empty

Re: Tiny D suitable for embedded JIT

On Wednesday, 23 May 2018 at 18:49:05 UTC, Dibyendu Majumdar wrote: Now that D has a better C option I was wondering if it is possible to create a small subset of D that can be used as embedded JIT library. I would like to trim the language to a small subset of D/C - only primitive types and

Re: Close Threads

On 05/28/2018 11:47 AM, candle wrote: Hey Folks. I have a question about threading and how to close threads i don't need anymore. In the following code, i build 3 threads with spawn from the concurrency module. if one thread found the number, all others thread must stop search. but i

Re: Close Threads

sorry about my double post, but: the receive in the search function, was first under (in) the (guess =! searchFor) block, but it was the same effect. for testing i have these writeln("test1 and 2"). writeln(guess) i have never seen. is receive a loop itself ?

[Issue 18868] Separate compilation generates two static this functions, runs it twice

https://issues.dlang.org/show_bug.cgi?id=18868 --- Comment #3 from github-bugzi...@puremagic.com --- Commits pushed to master at https://github.com/dlang/dmd https://github.com/dlang/dmd/commit/849155631cba3017566d3160cf15cb40584abf10 fix Issue 18868 - nondeterministic static ctor/dtor Instead

[Issue 18868] Separate compilation generates two static this functions, runs it twice

https://issues.dlang.org/show_bug.cgi?id=18868 github-bugzi...@puremagic.com changed: What|Removed |Added Status|NEW |RESOLVED

Close Threads

Hey Folks. I have a question about threading and how to close threads i don't need anymore. In the following code, i build 3 threads with spawn from the concurrency module. if one thread found the number, all others thread must stop search. but i have a big logical problem in my mind.

[Issue 18892] Wrong type in error message for static members and alias this

https://issues.dlang.org/show_bug.cgi?id=18892 github-bugzi...@puremagic.com changed: What|Removed |Added Status|NEW |RESOLVED

[Issue 18892] Wrong type in error message for static members and alias this

https://issues.dlang.org/show_bug.cgi?id=18892 --- Comment #3 from github-bugzi...@puremagic.com --- Commits pushed to master at https://github.com/dlang/dmd https://github.com/dlang/dmd/commit/6171f9e6980347b8678926034fb5757e513f0206 Fix Issue 18892 - Wrong type in error message for static

Re: What is special about an immutable array of class objects, and why can I not .dup ?

On Monday, 28 May 2018 at 13:51:49 UTC, James Blachly wrote: Consider the below: ``` class C { int x; } struct S { int x; } void main() { immutable C[] c = [ new C(), new C()]; immutable S[] s = [ S(), S() ]; immutable int[] i = [ 1, 2 ]; auto x = c.dup;

Re: What is special about an immutable array of class objects, and why can I not .dup ?

On Monday, May 28, 2018 13:51:49 James Blachly via Digitalmars-d-learn wrote: > Consider the below: > > ``` > class C > { > int x; > } > > struct S > { > int x; > } > > > void main() > { > immutable C[] c = [ new C(), new C()]; > immutable S[] s = [ S(), S() ]; > immutable

What is special about an immutable array of class objects, and why can I not .dup ?

Consider the below: ``` class C { int x; } struct S { int x; } void main() { immutable C[] c = [ new C(), new C()]; immutable S[] s = [ S(), S() ]; immutable int[] i = [ 1, 2 ]; auto x = c.dup; auto y = s.dup; auto z = i.dup; } ``` This fails to

[Issue 18892] Wrong type in error message for static members and alias this

https://issues.dlang.org/show_bug.cgi?id=18892 Mike Franklin changed: What|Removed |Added Keywords||pull

[Issue 18866] Overload from opDispatch ignored in WithStatement

https://issues.dlang.org/show_bug.cgi?id=18866 --- Comment #4 from Simen Kjaeraas --- > there would be absolutely no way of calling fun1() from within the > WithStatement body Sure there would. Assuming the same code as in comment 0, you would call the global fun2 using

[Issue 18866] Overload from opDispatch ignored in WithStatement

https://issues.dlang.org/show_bug.cgi?id=18866 RazvanN changed: What|Removed |Added CC|

Re: Build interface from abstract class

On Monday, 28 May 2018 at 09:59:50 UTC, DigitalDesigns wrote: Implementing interfaces can be a pain but are necessary. I like to use abstract classes and provide a base implementation. It would be cool if I could use D's awesome meta features to extract the interface from the abstract class

Re: What's the purpose of the 'in' keyword ?

On Sunday, 27 May 2018 at 16:00:15 UTC, Jonathan M Davis wrote: On Sunday, May 27, 2018 16:28:56 Russel Winder via Digitalmars-d-learn wrote: [...] Honestly, I'd suggest that folks never use in at this point. There's zero benefit to it. In principle, in was supposed to be const scope, but

Comparing the c ffi overhead on various programming languages

Might be interesting to checkout to find some optimization potential: https://github.com/dyu/ffi-overhead -- Robert M. Münch http://www.saphirion.com smarter | better | faster

Re: Comparing the c ffi overhead on various programming languages

On 28/05/2018 10:16 PM, Robert M. Münch wrote: Might be interesting to checkout to find some optimization potential: https://github.com/dyu/ffi-overhead https://github.com/dyu/ffi-overhead/issues/5

[Issue 3680] default struct constructor should not be removed

https://issues.dlang.org/show_bug.cgi?id=3680 RazvanN changed: What|Removed |Added Status|NEW |RESOLVED

Build interface from abstract class

Implementing interfaces can be a pain but are necessary. I like to use abstract classes and provide a base implementation. It would be cool if I could use D's awesome meta features to extract the interface from the abstract class then build it. This requires some funky stuff which I'm not

[Issue 15125] Explicit pure needed even though pure: at the top of the file

https://issues.dlang.org/show_bug.cgi?id=15125 RazvanN changed: What|Removed |Added CC|

Re: SecureD Futures (v2.0)

On 05/28/2018 12:14 AM, sarn wrote: On Monday, 28 May 2018 at 06:22:02 UTC, Adam Wilson wrote: On 05/27/2018 08:52 PM, sarn wrote: On Monday, 28 May 2018 at 02:25:20 UTC, Adam Wilson wrote: I like it. But it does require more space. We need three salts and three lengths in the header. One for

Re: Conditionally set nothrow: for a block of code.

On Thursday, 24 May 2018 at 18:51:31 UTC, Mike Franklin wrote: I'm trying to find a way to declare a block of code `nothrow:` when compiling with -betterC, but not `nothrow` when not compiling with -betterC. [...] Not one now but, DIP 1012 will allow this as nothrow will become a regular

Re: SecureD Futures (v2.0)

On Monday, 28 May 2018 at 06:22:02 UTC, Adam Wilson wrote: On 05/27/2018 08:52 PM, sarn wrote: On Monday, 28 May 2018 at 02:25:20 UTC, Adam Wilson wrote: I like it. But it does require more space. We need three salts and three lengths in the header. One for the PBKDF2 KDK, one for the MAC

Re: SecureD Futures (v2.0)

On 05/27/2018 08:52 PM, sarn wrote: On Monday, 28 May 2018 at 02:25:20 UTC, Adam Wilson wrote: I like it. But it does require more space. We need three salts and three lengths in the header. One for the PBKDF2 KDK, one for the MAC key, and one for the encryption key. HKDF-Expand doesn't need

Re: Clash When Using Function as Template Value-Parameters?

On Sunday, 27 May 2018 at 20:38:25 UTC, Daniel Kozak wrote: I would rewrite it to something like this: template BTree(ValueT, KeyT = ValueT,alias KeyF = unaryFun!"cast(const)a") { class BTree { This is roughly what I originally had, but it creates a number of problems that I wanted