Re: DConf 2014 Keynote: High Performance Code Using D by Walter Bright

2014-07-21 Thread Andrei Alexandrescu via Digitalmars-d-announce
On 7/20/14, 5:57 AM, bearophile wrote: In those slides as other member of the sum type they have used an enumeration of possible error conditions (or at first even just strings of the error messages), sometimes augmented with more information, like: | EmailNotValid of EmailAddress |

DMD v2.066.0-b5

2014-07-21 Thread Andrew Edwards via Digitalmars-d-announce
The v2.066.0-b5 binaries are now available: http://wiki.dlang.org/DMD_v2.066.0-b5

DConf 2014 Lightning Talks

2014-07-21 Thread Andrei Alexandrescu via Digitalmars-d-announce
Now available from youtube by default. http://www.reddit.com/r/programming/comments/2bbklj/dconf_2014_lightning_talks/ https://twitter.com/D_Programming/status/491299147015012352 https://www.facebook.com/dlang.org/posts/888753774471638 Andrei

Re: DConf 2014 Lightning Talks

2014-07-21 Thread deadalnix via Digitalmars-d-announce
On Monday, 21 July 2014 at 19:13:55 UTC, Andrei Alexandrescu wrote: Now available from youtube by default. http://www.reddit.com/r/programming/comments/2bbklj/dconf_2014_lightning_talks/ https://twitter.com/D_Programming/status/491299147015012352

Re: DConf 2014 Lightning Talks

2014-07-21 Thread Ali Çehreli via Digitalmars-d-announce
On 07/21/2014 12:13 PM, Andrei Alexandrescu wrote: Now available from youtube by default. http://www.reddit.com/r/programming/comments/2bbklj/dconf_2014_lightning_talks/ https://twitter.com/D_Programming/status/491299147015012352 https://www.facebook.com/dlang.org/posts/888753774471638

Re: DConf 2014 Lightning Talks

2014-07-21 Thread Piotrek via Digitalmars-d-announce
Hi, Brian's talk is enjoyable. I's an evidence that D people are in touch with ground... rolling and laughing... Please keep some PRs open and save some WATs for next year. Also, we still need more explosions and planes in presentations! But seriously, thanks Brian and others for your work.

Re: DConf 2014 Lightning Talks

2014-07-21 Thread Piotrek via Digitalmars-d-announce
On Monday, 21 July 2014 at 21:39:52 UTC, Ali Çehreli wrote: Ali Çehreli's (first speaker) slides are at http://acehreli.org/AliCehreli_assumptions.pdf Ali Hi, Assume meme was great too. Cheers, Piotrek

Re: DConf 2014 Lightning Talks

2014-07-21 Thread Ali Çehreli via Digitalmars-d-announce
On 07/21/2014 02:51 PM, Piotrek wrote: On Monday, 21 July 2014 at 21:39:52 UTC, Ali Çehreli wrote: Ali Çehreli's (first speaker) slides are at http://acehreli.org/AliCehreli_assumptions.pdf Ali Hi, Assume meme was great too. Cheers, Piotrek Thanks! I will wait at least another year

Re: DConf 2014 Lightning Talks

2014-07-21 Thread Brian Schott via Digitalmars-d-announce
On Monday, 21 July 2014 at 22:04:58 UTC, Ali Çehreli wrote: Thanks! I will wait at least another year before watching the video. I don't think I can stand seeing myself cramming 26 slides in 10 minutes! :) Ali I know how you feel. I don't want to watch my talk either.

Re: DConf 2014 Lightning Talks

2014-07-21 Thread Robert burner Schadek via Digitalmars-d-announce
On Monday, 21 July 2014 at 22:08:26 UTC, Brian Schott wrote: On Monday, 21 July 2014 at 22:04:58 UTC, Ali Çehreli wrote: Thanks! I will wait at least another year before watching the video. I don't think I can stand seeing myself cramming 26 slides in 10 minutes! :) Ali I know how you

Re: DConf 2014 Lightning Talks

2014-07-21 Thread Dicebot via Digitalmars-d-announce
Brian WAT slides were absolutely brilliant, I have totally enjoyed watching those for the second time now :)

Re: DConf 2014 Lightning Talks

2014-07-21 Thread Walter Bright via Digitalmars-d-announce
On 7/21/2014 3:59 PM, Robert burner Schadek wrote: On Monday, 21 July 2014 at 22:08:26 UTC, Brian Schott wrote: On Monday, 21 July 2014 at 22:04:58 UTC, Ali Çehreli wrote: Thanks! I will wait at least another year before watching the video. I don't think I can stand seeing myself cramming 26

Re: static opCall 'hidden' by incompatible constructors

2014-07-21 Thread Nick Treleaven via Digitalmars-d
On 19/07/2014 10:32, Kagamin wrote: Try to define a constructor with parameters, then compiler won't generate the default constructor, so the parameterless opCall won't be hidden. That only works for classes, not structs.

Re: Software Assurance Reference Dataset

2014-07-21 Thread Andrew Godfrey via Digitalmars-d
On Sunday, 20 July 2014 at 06:06:16 UTC, bearophile wrote: Andrew Godfrey: 2) Annotations about when a function does not expect re-entrancy to be possible based on call-graph analysis. I don't understand. Assuming I know tAhis (http://en.wikipedia.org/wiki/Reentrancy_%28computing%29 ) can

Passing static array to C variadic function

2014-07-21 Thread Daniel Gibson via Digitalmars-d
Hi, I have a C variadic function (passed from C code into my D code via function pointer) that I need to call with a static array. So according to the D documentation, static arrays are passed by value in D2 and by reference in C and D1. (Even though http://dlang.org/abi.html claims Static

Re: Passing static array to C variadic function

2014-07-21 Thread John Colvin via Digitalmars-d
On Sunday, 20 July 2014 at 16:00:41 UTC, Daniel Gibson wrote: Hi, I have a C variadic function (passed from C code into my D code via function pointer) that I need to call with a static array. So according to the D documentation, static arrays are passed by value in D2 and by reference in C

Re: function default arguments depending on other arguments

2014-07-21 Thread Andrei Alexandrescu via Digitalmars-d
On 7/20/14, 2:22 AM, Tove wrote: On Friday, 18 July 2014 at 17:40:23 UTC, Timon Gehr wrote: On 07/18/2014 12:00 AM, Trass3r wrote: void foo(int a, int b = a) { } is illegal in C++ because order of evaluation is undefined. But since D defines the order to be left to right couldn't it also

Re: Review: std.logger

2014-07-21 Thread linkrope via Digitalmars-d
Pros The lighning talk about the std.logger proposal at DConf 2014 had a positive impact. We were able to change the Current D Use entry of our company from Uses D2 / Phobos, Tango (log, xml) to Uses D2 / Phobos, Tango (xml). (We got rid of tango.util.log; we still rely on the

Re: Naming of new lazy versions of existing Phobos functions

2014-07-21 Thread Dicebot via Digitalmars-d
On Sunday, 20 July 2014 at 10:19:10 UTC, Jonathan M Davis wrote: Do we really want to be naming functions which aren't properties with adjectives instead of verbs? Yes. We have parens for denoting functions. Oh wait.

Re: Implicit conversion to base interface doesn't work inside initialization of AA of objects

2014-07-21 Thread Uranuz via Digitalmars-d
I posted in the wrong thread.

Re: Passing static array to C variadic function

2014-07-21 Thread bearophile via Digitalmars-d
Daniel Gibson: For normal functions http://dlang.org/interfaceToC.html tells me to add a ref in the function signature, to tell D to pass it by reference (couldn't this be implicit for extern (C) functions?) I don't know why D isn't adapting such things to the needs of C. Bye, bearophile

Re: Implicit conversion to base interface doesn't work inside initialization of AA of objects

2014-07-21 Thread Uranuz via Digitalmars-d
On Thursday, 17 July 2014 at 17:27:37 UTC, bearophile wrote: Uranuz: OK. Thanks. Using casts everywhere for such case us quite annoying. I've tested it for plain array it doesn't work too. However issue is marked as solved for it. It's not exactly the same issue. Issue 3543 seems more

Re: GCs in the news

2014-07-21 Thread Paulo Pinto via Digitalmars-d
On Friday, 18 July 2014 at 09:25:46 UTC, Chris wrote: On Thursday, 17 July 2014 at 18:19:04 UTC, H. S. Teoh via Digitalmars-d wrote: On Thu, Jul 17, 2014 at 05:58:14PM +, Chris via Digitalmars-d wrote: On Thursday, 17 July 2014 at 17:49:24 UTC, H. S. Teoh via Digitalmars-d wrote: [...]

Re: Integer overflow and underflow semantics?

2014-07-21 Thread via Digitalmars-d
On Sunday, 20 July 2014 at 11:09:45 UTC, Tobias Müller wrote: Marc Schütz schue...@gmx.net wrote: On Saturday, 19 July 2014 at 19:49:24 UTC, Ola Fosheim Grøstad wrote: On Saturday, 19 July 2014 at 08:34:39 UTC, Kagamin wrote: Can't it simply generate code as is? Seems wasteful to spend

Re: Software Assurance Reference Dataset

2014-07-21 Thread Walter Bright via Digitalmars-d
On 7/20/2014 3:27 AM, Dmitry Olshansky wrote: Functional programming is full of simple recursion and it would be nice not to stack overflow in debug builds. Traditional FP languages don't have loops, and so must do recursion. D has loops, even in pure functions, there's no reason not to use

Re: Passing static array to C variadic function

2014-07-21 Thread Daniel Gibson via Digitalmars-d
Am 20.07.2014 18:37, schrieb bearophile: Daniel Gibson: For normal functions http://dlang.org/interfaceToC.html tells me to add a ref in the function signature, to tell D to pass it by reference (couldn't this be implicit for extern (C) functions?) I don't know why D isn't adapting such

Re: [Dangerously OT] Re: D logo copyright

2014-07-21 Thread via Digitalmars-d
On Sunday, 20 July 2014 at 09:21:13 UTC, Alix Pexton wrote: others. I have not been able to discover if Germany is one of those countries or not. It doesn't matter. The Bern convention requires that you give foreign works the same protection as local works. So if you publish globally you

Re: Naming of new lazy versions of existing Phobos functions

2014-07-21 Thread Tobias Pankrath via Digitalmars-d
Do we really want to be naming functions which aren't properties with adjectives instead of verbs? That seems very wrong to me. I'd much rather see stuff like setExt or setExtLazy than withExtension or extensionSet. Function names are supposed to be verbs unless they're emulating variables.

Re: [OT] Empire

2014-07-21 Thread Walter Bright via Digitalmars-d
On 7/19/2014 11:06 PM, Meta wrote: I have to ask now, what features of other games (probably tabletop based, given the time) did YOU take inspiration from for the first version of Empire, Walter? Mainly Risk.

Re: Software Assurance Reference Dataset

2014-07-21 Thread Walter Bright via Digitalmars-d
On 7/20/2014 1:50 PM, Walter Bright wrote: Both of these are worthy of bugzilla enhancement requests. Amazingly, these suddenly appeared: https://issues.dlang.org/show_bug.cgi?id=13169 https://issues.dlang.org/show_bug.cgi?id=13170

Re: Software Assurance Reference Dataset

2014-07-21 Thread bearophile via Digitalmars-d
Walter Bright: https://issues.dlang.org/show_bug.cgi?id=13169 https://issues.dlang.org/show_bug.cgi?id=13170 Are such optimizations portable and guaranteed on all D compilers? If the answer is negative, then they can't replace a _standard_ D syntax for computed gotos. Bye, bearophile

Re: Software Assurance Reference Dataset

2014-07-21 Thread Walter Bright via Digitalmars-d
On 7/20/2014 3:10 PM, Dmitry Olshansky wrote: The computed goto is faster for two reasons, according to the article: 1.The switch does a bit more per iteration because of bounds checking. Now let's consider proper implementation of thread-code interpreter. where *code pointer points to an

Re: Software Assurance Reference Dataset

2014-07-21 Thread Dmitry Olshansky via Digitalmars-d
21-Jul-2014 00:50, Walter Bright пишет: On 7/20/2014 3:27 AM, Dmitry Olshansky wrote: Functional programming is full of simple recursion and it would be nice not to stack overflow in debug builds. Traditional FP languages don't have loops, and so must do recursion. D has loops, even in pure

Re: Software Assurance Reference Dataset

2014-07-21 Thread Walter Bright via Digitalmars-d
On 7/20/2014 2:38 PM, bearophile wrote: Are such optimizations portable and guaranteed on all D compilers? If the answer is negative, then they can't replace a _standard_ D syntax for computed gotos. C'mon, bearophile. Optimizations are always implementation dependent. People rely on them for

Phobos PR 2266 blocked by ICE 12057

2014-07-21 Thread H. S. Teoh via Digitalmars-d
Phobos pull request 2266 [1] has been blocked by an ICE (issue 12057 [2]) for almost a month now. I'm wondering if somebody more familiar with dmd internals can help fix it. I've managed to reduce the code down to a minimal (or close to minimal) test case: // Compile with: dmd -O

Looking to hire: 2-3 programmers, candidates will likely need to learn D.

2014-07-21 Thread Vic via Digitalmars-d
(I hope OK to post:) Location: Silicon Valley /San Jose, CA/ or Dallas TX. Current 'app' version is mostly Java/Tomcat, so will need to maintain that while writing a new version, likely mostly D ( possibly Qt depending on GC ). (Also a few lines assembly, C, IOS Objective C, Andorid as

Re: Software Assurance Reference Dataset

2014-07-21 Thread Timon Gehr via Digitalmars-d
On 07/20/2014 10:50 PM, Walter Bright wrote: On 7/20/2014 3:27 AM, Dmitry Olshansky wrote: Functional programming is full of simple recursion and it would be nice not to stack overflow in debug builds. Traditional FP languages don't have loops, and so must do recursion. Uh... D has loops,

Re: Software Assurance Reference Dataset

2014-07-21 Thread Walter Bright via Digitalmars-d
On 7/20/2014 8:15 PM, Timon Gehr wrote: On 07/20/2014 10:50 PM, Walter Bright wrote: On 7/20/2014 3:27 AM, Dmitry Olshansky wrote: Functional programming is full of simple recursion and it would be nice not to stack overflow in debug builds. Traditional FP languages don't have loops, and so

Re: Passing static array to C variadic function

2014-07-21 Thread Daniel Murphy via Digitalmars-d
Daniel Gibson wrote in message news:lqh3vb$c2b$1...@digitalmars.com... * passing stuff to the function is done as C expects it (not done, also: are there other cases than the static array one that are different?) Dynamic arrays. D used to allow passing static and dynamic arrays to C

Re: DIP65: Fixing Exception Handling Syntax

2014-07-21 Thread Paolo Invernizzi via Digitalmars-d
On Thursday, 17 July 2014 at 21:51:54 UTC, bearophile wrote: Walter Bright: The fear of breaking code should NOT freeze our brains in terror. For each sigh of broken code could exist one thousand sighs caused by broken designs that will keep causing troubles forever. +1 --- Paolo

Re: DIP65: Fixing Exception Handling Syntax

2014-07-21 Thread Jakob Ovrum via Digitalmars-d
On Thursday, 17 July 2014 at 21:03:08 UTC, Walter Bright wrote: Did you see my response? I suggested recognizing in the parser: ( Identifier ) as a special case, in addition to using Parser::isDeclaration(). I just want to point out that this special case is lacking, and will inevitably

Re: Software Assurance Reference Dataset

2014-07-21 Thread Andrei Alexandrescu via Digitalmars-d
On 7/20/14, 8:15 PM, Timon Gehr wrote: On 07/20/2014 10:50 PM, Walter Bright wrote: On 7/20/2014 3:27 AM, Dmitry Olshansky wrote: Functional programming is full of simple recursion and it would be nice not to stack overflow in debug builds. Traditional FP languages don't have loops, and so

Re: Integer overflow and underflow semantics?

2014-07-21 Thread Tobias Müller via Digitalmars-d
Marc Schütz schue...@gmx.net wrote: On Sunday, 20 July 2014 at 11:09:45 UTC, Tobias Müller wrote: Marc Schütz schue...@gmx.net wrote: On Saturday, 19 July 2014 at 19:49:24 UTC, Ola Fosheim Grøstad wrote: On Saturday, 19 July 2014 at 08:34:39 UTC, Kagamin wrote: Can't it simply generate code

Re: Associative arrays, opCmp, opEquals and toHash in 2.066.0-b4

2014-07-21 Thread bearophile via Digitalmars-d
Jacob Carlborg: Error: AA key type TagIndex now requires equality rather than comparison Hashing protocol has being finally fixed. What exactly do I need to define to have a struct with two ints working as a key in an associative array? opEquals and opHash. But if your struct has only

Re: Associative arrays, opCmp, opEquals and toHash in 2.066.0-b4

2014-07-21 Thread Daniel Gibson via Digitalmars-d
Am 21.07.2014 16:34, schrieb bearophile: Ary Borenszweig: Wat? Hash methods should be automatic for simple structs. Bye, bearophile That would be too much magic = special cases one has to know about. Cheers, Daniel

Re: Associative arrays, opCmp, opEquals and toHash in 2.066.0-b4

2014-07-21 Thread bearophile via Digitalmars-d
Daniel Gibson: That would be too much magic = special cases one has to know about. What special cases? It works for POD structs. If you want a different hashing behavior (example: you want to ignore some fields), you define the two methods. struct Foo { double x; int y;

Re: Associative arrays, opCmp, opEquals and toHash in 2.066.0-b4

2014-07-21 Thread bearophile via Digitalmars-d
Ary Borenszweig: Wat? Hash methods should be automatic for simple structs. Bye, bearophile

Re: GCs in the news

2014-07-21 Thread Kagamin via Digitalmars-d
On Sunday, 20 July 2014 at 12:30:02 UTC, Mike wrote: Yes, I believe you are correct. I also believe there is even a GCStub in the runtime that uses malloc without free. What's missing is API documentation and examples that makes such features accessible. The existing functions should be

Re: Integer overflow and underflow semantics?

2014-07-21 Thread bearophile via Digitalmars-d
Basile Burg: If you still feel ok today then dont read this: - module meh; import std.stdio; //https://stackoverflow.com/questions/24676375/why-does-int-i-1024-1024-1024-1024-compile-without-error static shared immutable int o = 1024 * 1024 * 1024 * 1024; void main(string

Re: Integer overflow and underflow semantics?

2014-07-21 Thread Basile Burg via Digitalmars-d
On Wednesday, 16 July 2014 at 21:26:41 UTC, Gary Willoughby wrote: This was asked a few years ago and i could find a definitive answer. http://forum.dlang.org/thread/jo2c0a$31hh$1...@digitalmars.com On Saturday, 5 May 2012 at 04:57:48 UTC, Alex Rønne Petersen wrote: I don't think the

Re: Associative arrays, opCmp, opEquals and toHash in 2.066.0-b4

2014-07-21 Thread Ary Borenszweig via Digitalmars-d
On 7/21/14, 9:49 AM, bearophile wrote: But if your struct has only two ints as fields, it should work even if you don't define both methods. Wat?

Associative arrays, opCmp, opEquals and toHash in 2.066.0-b4

2014-07-21 Thread Jacob Carlborg via Digitalmars-d
What's up with associative arrays, opCmp, opEquals and toHash in 2.066.0-b4. I'm trying to compile Tango with the latest beta and I'm getting this error: Error: AA key type TagIndex now requires equality rather than comparison Four months ago opCmp was added to TagIndex to fix some compile

Re: Looking to hire: 2-3 programmers, candidates will likely need to learn D.

2014-07-21 Thread John via Digitalmars-d
On Monday, 21 July 2014 at 02:43:51 UTC, Vic wrote: (I hope OK to post:) Location: Silicon Valley /San Jose, CA/ or Dallas TX. Current 'app' version is mostly Java/Tomcat, so will need to maintain that while writing a new version, likely mostly D ( possibly Qt depending on GC ). (Also a few

Re: Naming of new lazy versions of existing Phobos functions

2014-07-21 Thread Yota via Digitalmars-d
On Friday, 18 July 2014 at 20:35:33 UTC, Walter Bright wrote: On 7/18/2014 12:40 PM, Tourist wrote: Are you planning to deprecate the non-lazy functions at some (maybe very distant) point? No. Phobos has already gone through multiple rounds of renaming/deprecation, all at considerable

Re: Encouraging memory efficiency

2014-07-21 Thread Nick Treleaven via Digitalmars-d
On 19/07/2014 01:31, Timon Gehr wrote: auto createBuffer(T,alias size)(T[] buf=(cast(T*)alloca(size))[0..size]){ return buf; } alloca(T.sizeof * size)

'package'

2014-07-21 Thread Manu via Digitalmars-d
I'm having all sorts of visibility problems. I have this: app/system/... app/system/widgets/... The 'system'/manager should be able to access all the widgets internals, but things outside the system shouldn't be able to touch the internals. This is what 'package' is supposed to be for,

Re: Associative arrays, opCmp, opEquals and toHash in 2.066.0-b4

2014-07-21 Thread Jacob Carlborg via Digitalmars-d
On 2014-07-21 14:49, bearophile wrote: opEquals and opHash. But if your struct has only two ints as fields, it should work even if you don't define both methods. If the struct already has opCmp I need to defined opEquals and toHash? -- /Jacob Carlborg

Re: GC on Unreal Engine

2014-07-21 Thread fra via Digitalmars-d
On Sunday, 20 July 2014 at 10:01:27 UTC, Paulo Pinto wrote: Since this theme keeps being discussed. Here is some info how Unreal Engine makes use of GC in C++. https://wiki.unrealengine.com/Garbage_Collection_Overview -- Paulo If that wiki page is up-to-date (and I don't see why it

Re: Associative arrays, opCmp, opEquals and toHash in 2.066.0-b4

2014-07-21 Thread bearophile via Digitalmars-d
Jacob Carlborg: If the struct already has opCmp I need to defined opEquals and toHash? From what I know, the new hash protocol requires toHash and opEquals. I think that now opCmp is not used by hashing. I don't know if you define just toHash and opCmp it uses opCmp as fallback. Bye,

Re: Associative arrays, opCmp, opEquals and toHash in 2.066.0-b4

2014-07-21 Thread Ary Borenszweig via Digitalmars-d
On 7/21/14, 11:39 AM, Daniel Gibson wrote: Am 21.07.2014 16:34, schrieb bearophile: Ary Borenszweig: Wat? Hash methods should be automatic for simple structs. Bye, bearophile That would be too much magic = special cases one has to know about. Cheers, Daniel Ah, good. I though it only

Re: 'package'

2014-07-21 Thread Dicebot via Digitalmars-d
On Monday, 21 July 2014 at 17:32:53 UTC, Manu via Digitalmars-d wrote: I'm having all sorts of visibility problems. I have this: app/system/... app/system/widgets/... The 'system'/manager should be able to access all the widgets internals, but things outside the system shouldn't be able

Re: Phobos PR 2266 blocked by ICE 12057

2014-07-21 Thread Daniel Murphy via Digitalmars-d
H. S. Teoh via Digitalmars-d wrote in message news:mailman.32.1405963928.32463.digitalmar...@puremagic.com... Phobos pull request 2266 [1] has been blocked by an ICE (issue 12057 [2]) for almost a month now. I'm wondering if somebody more familiar with dmd internals can help fix it. I've

Re: Associative arrays, opCmp, opEquals and toHash in 2.066.0-b4

2014-07-21 Thread H. S. Teoh via Digitalmars-d
On Mon, Jul 21, 2014 at 04:42:34PM +, bearophile via Digitalmars-d wrote: Jacob Carlborg: If the struct already has opCmp I need to defined opEquals and toHash? From what I know, the new hash protocol requires toHash and opEquals. I think that now opCmp is not used by hashing. Yes,

Re: Encouraging memory efficiency

2014-07-21 Thread Walter Bright via Digitalmars-d
On 7/17/2014 9:27 AM, Tero wrote: Just watched Don's DConf 2014 talk where he said D has to be ruthless about memory inefficiency. Here's one thing that I think could help avoid unnecessary garbage: built-in syntax for this: import core.stdc.stdlib : alloca; ubyte[] buffer = (cast(ubyte*)

Re: Associative arrays, opCmp, opEquals and toHash in 2.066.0-b4

2014-07-21 Thread w0rp via Digitalmars-d
A rule I learned from writing Java is that if you implement equality, you must also implement hashing, and if you implelement hashing you must implement equality. I believe this is actually a general truth of programming in any language, and now D has the right kind of semantics. On an off

Re: GCs in the news

2014-07-21 Thread Russel Winder via Digitalmars-d
On Sun, 2014-07-20 at 16:40 +, Paulo Pinto via Digitalmars-d wrote: […] Java has AOT compilers available since the early days. Most developers just tend to ignore them, because they are not part of the free package. Also, it is not entirely clear that AOT optimization can beat JIT

Re: Associative arrays, opCmp, opEquals and toHash in 2.066.0-b4

2014-07-21 Thread H. S. Teoh via Digitalmars-d
On Mon, Jul 21, 2014 at 06:28:48PM +, w0rp via Digitalmars-d wrote: A rule I learned from writing Java is that if you implement equality, you must also implement hashing, and if you implelement hashing you must implement equality. I believe this is actually a general truth of programming

Re: Associative arrays, opCmp, opEquals and toHash in 2.066.0-b4

2014-07-21 Thread Jacob Carlborg via Digitalmars-d
On 2014-07-21 20:17, H. S. Teoh via Digitalmars-d wrote: I'm inclined to say, file a regression bug. If opCmp is defined but opEquals isn't, the compiler should auto-generate opEquals (as opCmp(...)==0). Requiring the user to implement a separate opEquals when opCmp is already there is

Re: GC on Unreal Engine

2014-07-21 Thread Paulo Pinto via Digitalmars-d
Am 21.07.2014 18:05, schrieb fra: On Sunday, 20 July 2014 at 10:01:27 UTC, Paulo Pinto wrote: Since this theme keeps being discussed. Here is some info how Unreal Engine makes use of GC in C++. https://wiki.unrealengine.com/Garbage_Collection_Overview -- Paulo If that wiki page is

Re: Integer overflow and underflow semantics?

2014-07-21 Thread Artur Skawina via Digitalmars-d
On 07/21/14 16:32, bearophile via Digitalmars-d wrote: https://github.com/D-Programming-Language/dmd/pull/1803 Disallowing integer overflow just at CT is not (sanely) possible in a language with D's CTFE capabilities. (Would result in code that compiles and works at runtime, but is not

Re: Integer overflow and underflow semantics?

2014-07-21 Thread via Digitalmars-d
On Monday, 21 July 2014 at 19:33:32 UTC, Artur Skawina via Digitalmars-d wrote: Disallowing integer overflow just at CT is not (sanely) possible in a language with D's CTFE capabilities. (Would result in code that compiles and works at runtime, but is not ctfe-able) I'd like to see compile

Re: Software Assurance Reference Dataset

2014-07-21 Thread deadalnix via Digitalmars-d
On Sunday, 20 July 2014 at 07:27:36 UTC, Walter Bright wrote: What about the @continuation (http://en.wikipedia.org/wiki/Continuation-passing_style )? I doubt they'll want to use that attribute, either. Especially if that can be done with AST macros :D

Re: GCs in the news

2014-07-21 Thread deadalnix via Digitalmars-d
On Monday, 21 July 2014 at 18:31:46 UTC, Russel Winder via Digitalmars-d wrote: On Sun, 2014-07-20 at 16:40 +, Paulo Pinto via Digitalmars-d wrote: […] Java has AOT compilers available since the early days. Most developers just tend to ignore them, because they are not part of the free

Stack trace linux/windows why the difference

2014-07-21 Thread Domingo Alvarez Duarte via Digitalmars-d
Hello ! When getting runtime errors the stack trace on terminal is a lot confuse and hard to work with simple tools like scite text editor, also there is a difference between windows/linux, windows get a bit better/clean stack trace and includes line numbers, where is this info generated to

Re: Stack trace linux/windows why the difference

2014-07-21 Thread Domingo Alvarez Duarte via Digitalmars-d
After writing this post I found the place and the why: - druntime/src/core/runtime.d - Window implementation has extra code that search for more info to display - Linux only make calls to execinfo functions and dump what it gets On linux more work should be done to get line infos, I'm

Re: Integer overflow and underflow semantics?

2014-07-21 Thread Artur Skawina via Digitalmars-d
On 07/21/14 21:53, via Digitalmars-d wrote: On Monday, 21 July 2014 at 19:33:32 UTC, Artur Skawina via Digitalmars-d wrote: Disallowing integer overflow just at CT is not (sanely) possible in a language with D's CTFE capabilities. (Would result in code that compiles and works at runtime, but

Re: Software Assurance Reference Dataset

2014-07-21 Thread Tobias Müller via Digitalmars-d
Andrew Godfrey x...@y.com wrote: 1) A function annotation that means I will call myself recursively, and when I do, I expect the tail recursion optimization. I have seen code which allocates something big on the stack and depends on the optimization. So this intent should be expressible.

Re: Software Assurance Reference Dataset

2014-07-21 Thread bearophile via Digitalmars-d
Tobias Müller: Wouldn't it be more useful to have a modified/annotated return statement for that? I don't know. Tail-recursiveness is an implementation detail, for the user of the function it's not really interesting. Yes, in theory a @tailrec annotation doesn't change the mangling of

Re: Stack trace linux/windows why the difference

2014-07-21 Thread Trass3r via Digitalmars-d
On linux more work should be done to get line infos, I'm investigating how to get then. Cheers ! That's the spirit!

Re: Software Assurance Reference Dataset

2014-07-21 Thread Timon Gehr via Digitalmars-d
On 07/21/2014 06:40 AM, Andrei Alexandrescu wrote: On 7/20/14, 8:15 PM, Timon Gehr wrote: On 07/20/2014 10:50 PM, Walter Bright wrote: On 7/20/2014 3:27 AM, Dmitry Olshansky wrote: Functional programming is full of simple recursion and it would be nice not to stack overflow in debug builds.

Re: Software Assurance Reference Dataset

2014-07-21 Thread Timon Gehr via Digitalmars-d
On 07/21/2014 06:56 AM, Walter Bright wrote: On 7/20/2014 8:15 PM, Timon Gehr wrote: On 07/20/2014 10:50 PM, Walter Bright wrote: On 7/20/2014 3:27 AM, Dmitry Olshansky wrote: Functional programming is full of simple recursion and it would be nice not to stack overflow in debug builds.

Re: Software Assurance Reference Dataset

2014-07-21 Thread bearophile via Digitalmars-d
Andrei Alexandrescu: And that doesn't look awkward at all :o). -- Andrei A related thread: http://stackoverflow.com/questions/6622524/why-is-haskell-sometimes-referred-to-as-best-imperative-language Bye, bearophile

Re: Review: std.logger

2014-07-21 Thread Robert burner Schadek via Digitalmars-d
On Sunday, 20 July 2014 at 16:15:53 UTC, linkrope wrote: Pros The lighning talk about the std.logger proposal at DConf 2014 had a positive impact. We were able to change the Current D Use entry of our company from Uses D2 / Phobos, Tango (log, xml) to Uses D2 / Phobos, Tango

Re: Software Assurance Reference Dataset

2014-07-21 Thread Timon Gehr via Digitalmars-d
On 07/22/2014 12:10 AM, bearophile wrote: Except for the fact that it has bounded stack size which is a useful property by itself and not only for tailrecursive functions. Yes, that's why I have said that a @continuation is a more general solution than @tailrec. Bye, bearophile

Re: Stack trace linux/windows why the difference

2014-07-21 Thread deadalnix via Digitalmars-d
On Monday, 21 July 2014 at 21:06:54 UTC, Domingo Alvarez Duarte wrote: After writing this post I found the place and the why: - druntime/src/core/runtime.d - Window implementation has extra code that search for more info to display - Linux only make calls to execinfo functions and dump what it

Re: Integer overflow and underflow semantics?

2014-07-21 Thread Basile Burg via Digitalmars-d
On Monday, 21 July 2014 at 14:32:38 UTC, bearophile wrote: Basile Burg: If you still feel ok today then dont read this: - module meh; import std.stdio; //https://stackoverflow.com/questions/24676375/why-does-int-i-1024-1024-1024-1024-compile-without-error static shared

Re: Software Assurance Reference Dataset

2014-07-21 Thread Walter Bright via Digitalmars-d
On 7/21/2014 3:25 PM, Timon Gehr wrote: The example just uses the ST Monad which is quite similar to weakly pure statements in D. D doesn't have weakly pure statements - it has weakly pure functions.

Re: Integer overflow and underflow semantics?

2014-07-21 Thread via Digitalmars-d
On Monday, 21 July 2014 at 21:10:43 UTC, Artur Skawina via Digitalmars-d wrote: For D that is not possible -- if an expression is valid at run-time then it should be valid at compile-time (and obviously yield the same value). Making this aspect of CT evaluation special would make CTFE much

Re: Can't Link DWT in Linux 64-bit

2014-07-21 Thread Jacob Carlborg via Digitalmars-d-dwt
On 2014-07-20 01:40, Mike wrote: Interesting! How was the original port from SWT to DWT done? Was some utility used? It's manually ported. There was a try to create a tool [1] to automatically port the code but that required a too big part of the Java standard library to be ported as well.

Re: Can't Link DWT in Linux 64-bit

2014-07-21 Thread Jacob Carlborg via Digitalmars-d-dwt
On 2014-07-20 15:52, Jacob Carlborg wrote: It's manually ported. There was a try to create a tool [1] to automatically port the code but that required a too big part of the Java standard library to be ported as well. It might be worth investigation to try and do an automatic port again. I

Re: Can't Link DWT in Linux 64-bit

2014-07-21 Thread Mike via Digitalmars-d-dwt
On Sunday, 20 July 2014 at 19:33:35 UTC, Jacob Carlborg wrote: On 2014-07-20 15:52, Jacob Carlborg wrote: It's manually ported. There was a try to create a tool [1] to automatically port the code but that required a too big part of the Java standard library to be ported as well. It might

Re: Can't Link DWT in Linux 64-bit

2014-07-21 Thread Jacob Carlborg via Digitalmars-d-dwt
On 21/07/14 03:00, Mike wrote: Well, what's the GUI future of D? Does DWT have a role to play? If we could make the process completely automatic (or nearly automatic) to make it easy to keep up with SWT. And also create a GUI builder then I think DWT is in a very good position. -- /Jacob

Re: Can't Link DWT in Linux 64-bit

2014-07-21 Thread Jacob Carlborg via Digitalmars-d-dwt
On 2014-07-21 11:52, Mike wrote: Or, is there a utility out there that can dump Java source to xml or something more consumable by D? Then I might have some hope. No, not that I know of. You might be able to find a Java grammar for some parser generator that could be used. But, as I wrote

mixin assembler does not work?

2014-07-21 Thread Foo via Digitalmars-d-learn
Hey guys. Can someone explain me, why this code does only works with the inline assembler version but not with the mixin? Thanks in advance! Code: import std.stdio : writeln; import std.conv : to; template Vala(uint count, alias arr) { immutable string c = to!string(count);

Re: mixin assembler does not work?

2014-07-21 Thread bearophile via Digitalmars-d-learn
sigod: , but I see few mistakes in your code: What's unfortunate is the silence of the compiler about that programmer mistake :-) Bye, bearophile

Re: mixin assembler does not work?

2014-07-21 Thread Foo via Digitalmars-d-learn
For clarification: how would that work without mixin + string?

Re: mixin assembler does not work?

2014-07-21 Thread bearophile via Digitalmars-d-learn
enum Vala(uint count, alias arr) = format( asm { sub ESP, %d; // Reserve 'count' bytes mov %s, %d; // Set a.length = 'count' mov %s + 4, ESP; // Set a[0] to reserved bytes }, count, arr.stringof, count, arr.stringof); I'd like to write that more like

Re: mixin assembler does not work?

2014-07-21 Thread Foo via Digitalmars-d-learn
On Sunday, 20 July 2014 at 14:44:07 UTC, sigod wrote: On Sunday, 20 July 2014 at 14:18:58 UTC, Foo wrote: template Vala(uint count, alias arr) { immutable string c = to!string(count); enum Vala = asm { sub ESP, ~ c ~ ; mov ~ arr.stringof ~ , ~ c ~ ; mov ~ arr.stringof ~ + 4,

Re: mixin assembler does not work?

2014-07-21 Thread Foo via Digitalmars-d-learn
On Sunday, 20 July 2014 at 14:46:32 UTC, bearophile wrote: enum Vala(uint count, alias arr) = format( asm { sub ESP, %d; // Reserve 'count' bytes mov %s, %d; // Set a.length = 'count' mov %s + 4, ESP; // Set a[0] to reserved bytes }, count, arr.stringof,

Re: mixin assembler does not work?

2014-07-21 Thread Foo via Digitalmars-d-learn
On Sunday, 20 July 2014 at 14:55:00 UTC, Foo wrote: For clarification: how would that work without mixin + string? I tried this: mixin template Vala2(uint count, alias arr) { asm { sub ESP, count; mov arr, count; mov arr + 4, ESP;

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