Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Mehrdad
On Friday, 17 August 2012 at 04:25:42 UTC, Chris Cain wrote: On Friday, 17 August 2012 at 04:17:33 UTC, Mehrdad wrote: Okay so basically, the conclusion I'm drawing is that you have to combine it with pure/immutable in order to get much more out of it than compared with C++; otherwise, it's not

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Chris Cain
On Friday, 17 August 2012 at 04:17:33 UTC, Mehrdad wrote: Okay so basically, the conclusion I'm drawing is that you have to combine it with pure/immutable in order to get much more out of it than compared with C++; otherwise, it's not really different. Thanks! You posted this before seeing

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Mehrdad
On Friday, 17 August 2012 at 04:17:05 UTC, Jonathan M Davis wrote: On Friday, August 17, 2012 05:11:49 Mehrdad wrote: On Friday, 17 August 2012 at 02:49:45 UTC, Jonathan M Davis wrote: > But take this code for example: > > auto i = new int; > *i = 5; > const c = i; > writeln(c); > func(c); //

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Chris Cain
On Friday, 17 August 2012 at 03:44:38 UTC, Mehrdad wrote: To clarify... the motivation for this question in the first place was the fact that I've been consistently told (and have read) that D const provides more guarantees than C++ const, so I was trying to figure out how. If what you're sa

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Mehrdad
On Friday, 17 August 2012 at 03:57:21 UTC, Chris Cain wrote: On Friday, 17 August 2012 at 03:42:23 UTC, Mehrdad wrote: Yes, I 100% realize 'pure' and 'immutable' are advantages over C++. The question was about 'const' by itself, though, because otherwise that's not a fair comparison. (The goal

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Jonathan M Davis
On Friday, August 17, 2012 04:46:34 Chris Cain wrote: > Notice that I'm making an immutable(S) in that example. I missed that. It's a known bug and in bugzilla somewhere. I'd have to go digging to find the exact bug# though. const constructors have the same problem. - Jonathan M Davis

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Jonathan M Davis
On Friday, August 17, 2012 05:11:49 Mehrdad wrote: > On Friday, 17 August 2012 at 02:49:45 UTC, Jonathan M Davis wrote: > > But take this code for example: > > > > auto i = new int; > > *i = 5; > > const c = i; > > writeln(c); > > func(c); //obviously takes const or it wouldn't compile > > writeln

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Chris Cain
On Friday, 17 August 2012 at 03:42:23 UTC, Mehrdad wrote: Yes, I 100% realize 'pure' and 'immutable' are advantages over C++. The question was about 'const' by itself, though, because otherwise that's not a fair comparison. (The goal is comparing C++ const to D const, not C++ const to D const +

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Mehrdad
On Friday, 17 August 2012 at 03:42:23 UTC, Mehrdad wrote: On Friday, 17 August 2012 at 03:36:28 UTC, Chris Cain wrote: Combine const and pure Yes, I 100% realize 'pure' and 'immutable' are advantages over C++. The question was about 'const' by itself, though, because otherwise that's not a

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Mehrdad
On Friday, 17 August 2012 at 03:36:28 UTC, Chris Cain wrote: Combine const and pure Yes, I 100% realize 'pure' and 'immutable' are advantages over C++. The question was about 'const' by itself, though, because otherwise that's not a fair comparison. (The goal is comparing C++ const to D con

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Chris Cain
Well, since I'm not describing how const works anymore (although, it's still different than C++ due to the mutable keyword in C++, but I digress), I'll go ahead and jump in for this one... On Friday, 17 August 2012 at 02:30:45 UTC, Mehrdad wrote: So unless you're expecting the compiler to have

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Mehrdad
On Friday, 17 August 2012 at 02:49:45 UTC, Jonathan M Davis wrote: But take this code for example: auto i = new int; *i = 5; const c = i; writeln(c); func(c); //obviously takes const or it wouldn't compile writeln(c); The compiler _knows_ that c is the same before and after the call to func, b

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Mehrdad
On Friday, 17 August 2012 at 02:33:46 UTC, Chris Cain wrote: I've already responded to something that is equivalent to what you just posted. I'm not sure if you're intentionally being obtuse (I'll give you the benefit of the doubt) Thanks... I promise I'm not >__< I'm just having trouble seein

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Chris Cain
On Friday, 17 August 2012 at 02:02:56 UTC, Jonathan M Davis wrote: How is it a bug? The variable that you're altering is not part of the object. That's part of why having pure with const in so valuable. It prevents stuff like what you're doing here. - Jonathan M Davis Notice that I'm makin

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Jonathan M Davis
On Friday, August 17, 2012 04:30:42 Mehrdad wrote: > So unless you're expecting the compiler to have the > implementation for the entire class available in order for it to > be able to do any kind of optimization (in which case, it would > have to do a whole bunch of inference to figure out the ali

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Chris Cain
On Friday, 17 August 2012 at 02:01:11 UTC, Mehrdad wrote: ...snip... Are you sure? I've already responded to something that is equivalent to what you just posted. I'm not sure if you're intentionally being obtuse (I'll give you the benefit of the doubt) or if your eyes are glossing over whe

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Mehrdad
On Friday, 17 August 2012 at 02:25:22 UTC, Jonathan M Davis wrote: Yeah. It's more than C++, but it's still pretty limited without pure, and if even with pure, the optimizations can still be pretty limited. Yeah, I'm only worried about the language here, not the implementation. On Friday,

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Jonathan M Davis
On Friday, August 17, 2012 04:12:10 Mehrdad wrote: > On Friday, 17 August 2012 at 02:02:51 UTC, Jonathan M Davis wrote: > > Because there are plenty of functions which take mutable > > objects but don't actually alter them - particularly when > > interacting with C code. > > Ah, so that explains t

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Mehrdad
On Friday, 17 August 2012 at 02:09:09 UTC, Mehrdad wrote: On Friday, 17 August 2012 at 02:02:56 UTC, Jonathan M Davis wrote: How is it a bug? The variable that you're altering is not part of the object. It doesn't need to be. Not to say it /can't/ be, of course... a const method can certa

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Mehrdad
On Friday, 17 August 2012 at 02:02:51 UTC, Jonathan M Davis wrote: Because there are plenty of functions which take mutable objects but don't actually alter them - particularly when interacting with C code. Ah, so that explains that, thanks. So to clarify, modifying a mutable object through

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Jonathan M Davis
On Friday, August 17, 2012 02:32:01 Mehrdad wrote: > On Friday, 17 August 2012 at 00:10:52 UTC, Jonathan M Davis wrote: > > In C++, if you have > > > > const vector& getStuff() const; > > > > which returns a member variable, then as long as const isn't > > cast away, you know that the container i

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Jonathan M Davis
On Friday, August 17, 2012 03:59:01 Chris Cain wrote: > If you're absolutely 100% completely totally certain that the > data is mutable (i.e., you have confirmed either through good, > sound reasoning OR you have some method of seeing exactly where > it is stored in your RAM and you've checked that

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Mehrdad
On Friday, 17 August 2012 at 02:02:56 UTC, Jonathan M Davis wrote: How is it a bug? The variable that you're altering is not part of the object. It doesn't need to be. What you said was: If you have a const object, then you have the guarantee that none of what it contains or refers to __

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Mehrdad
On Friday, 17 August 2012 at 01:59:03 UTC, Chris Cain wrote: On Friday, 17 August 2012 at 01:51:38 UTC, Mehrdad wrote: So you're saying casting away a const _pointer_ is undefined, even if the target was originally created as mutable. (Otherwise, the code would certainly be "valid", just like i

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Mehrdad
On Friday, 17 August 2012 at 01:50:02 UTC, Chris Cain wrote: On Friday, 17 August 2012 at 01:43:03 UTC, Mehrdad wrote: Isn't that kinda useless, if it tells you nothing about the object itself? Not sure what your point is. It tells you enough about how you work with that "object itself" Ar

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Jonathan M Davis
On Friday, August 17, 2012 03:00:34 Chris Cain wrote: > On Friday, 17 August 2012 at 00:44:20 UTC, Chris Cain wrote: > > Also, D's const is _not_ a guarantee that there are no mutable > > references to something. That'd be immutable. > > And, by the way, I'd call this a bug (not sure if reported y

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Jonathan M Davis
On Friday, August 17, 2012 03:51:36 Mehrdad wrote: > On Friday, 17 August 2012 at 01:33:29 UTC, Chris Cain wrote: > > Also, if the only view of the data you have is that const view, > > it's effectively the same as immutable (it couldn't be changed > > by any valid code). > > So you're saying cast

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Jonathan M Davis
On Friday, August 17, 2012 03:52:38 Chris Cain wrote: > On Friday, 17 August 2012 at 01:45:27 UTC, Mehrdad wrote: > > He was clearly _not_ talking about modifying the pointer. > > He said you cannot alter the "elements pointed TO". > > > > > > Given that, I have no idea how that is supposed to be

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Chris Cain
On Friday, 17 August 2012 at 01:51:38 UTC, Mehrdad wrote: So you're saying casting away a const _pointer_ is undefined, even if the target was originally created as mutable. (Otherwise, the code would certainly be "valid", just like in C++.) Which means you can effectively _never_ cast away

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Mehrdad
On Friday, 17 August 2012 at 01:33:29 UTC, Chris Cain wrote: Also, if the only view of the data you have is that const view, it's effectively the same as immutable (it couldn't be changed by any valid code). So you're saying casting away a const _pointer_ is undefined, even if the target was

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Chris Cain
On Friday, 17 August 2012 at 01:45:27 UTC, Mehrdad wrote: He was clearly _not_ talking about modifying the pointer. He said you cannot alter the "elements pointed TO". Given that, I have no idea how that is supposed to be saying "you can't modify the const _view_". He's clearly talking about

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Chris Cain
On Friday, 17 August 2012 at 01:43:03 UTC, Mehrdad wrote: Isn't that kinda useless, if it tells you nothing about the object itself? Not sure what your point is. It tells you enough about how you work with that "object itself" and sets (real) boundaries which is unlike C++'s const which tells

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Mehrdad
Also note that Jon __clearly__ said: "you know that the elements aren't altered either anything which the elements point to". He was clearly _not_ talking about modifying the pointer. He said you cannot alter the "elements pointed TO". Given that, I have no idea how that is supposed to be

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Mehrdad
On Friday, 17 August 2012 at 01:25:18 UTC, Chris Cain wrote: Yeah. Again, you can't modify __the const view__. Isn't that kinda useless, if it tells you nothing about the object itself?

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Chris Cain
Just to be abundantly clear about his point. // v is a const vector, but holds pointers ... *v[0] = 5; // legal in C++, illegal in D (except in constructors which will allow this, ATM) Transitivity gives you more information and guarantees about what you can and can't do with your view. Also

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Chris Cain
On Friday, 17 August 2012 at 01:17:19 UTC, Mehrdad wrote: How? Jon said "you know that the elements aren't altered either - or anything which the elements point to". I just showed that the const-ness of getStuff() tells you _nothing_ about that fact. Did I miss something? Yeah. Again,

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Mehrdad
On Friday, 17 August 2012 at 00:44:20 UTC, Chris Cain wrote: On Friday, 17 August 2012 at 00:32:03 UTC, Mehrdad wrote: On Friday, 17 August 2012 at 00:10:52 UTC, Jonathan M Davis wrote: In contrast, in D, const ref Array!(T*) getStuff() const; you would _know_ that not only is the container n

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Mehrdad
On Friday, 17 August 2012 at 00:51:55 UTC, Torarin wrote: The C++ standard, section 7.1.6.1: Except that any class member declared mutable (7.1.1) can be modified, any attempt to modify a const object during its lifetime (3.8) results in undefined behavior. Torarin +1 thanks for taking t

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Chris Cain
On Friday, 17 August 2012 at 00:44:20 UTC, Chris Cain wrote: Also, D's const is _not_ a guarantee that there are no mutable references to something. That'd be immutable. And, by the way, I'd call this a bug (not sure if reported yet): int yourGlobalCounter; struct S { int*[] items;

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Torarin
2012/8/17 Jonathan M Davis > > On Friday, August 17, 2012 02:32:01 Mehrdad wrote: > > > C++ makes no such guarantees, because you're free to cast away > > > const and modifiy objects > > > > Not correct, as far as I understand. > > C++ only lets you cast away _const references_ to _mutable_ > > ob

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Chris Cain
On Friday, 17 August 2012 at 00:32:03 UTC, Mehrdad wrote: On Friday, 17 August 2012 at 00:10:52 UTC, Jonathan M Davis wrote: In contrast, in D, const ref Array!(T*) getStuff() const; you would _know_ that not only is the container not altered, but you know that the elements aren't altered eith

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Jonathan M Davis
On Friday, August 17, 2012 02:32:01 Mehrdad wrote: > > C++ makes no such guarantees, because you're free to cast away > > const and modifiy objects > > Not correct, as far as I understand. > C++ only lets you cast away _const references_ to _mutable_ > objects. > If the object happens to have been

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Mehrdad
On Friday, 17 August 2012 at 00:13:58 UTC, bearophile wrote: Mehrdad: On the note of casting away const, I don't believe that is the operation which is undefined, however modifying const is undefined as it could be pointing to immutable data. Oh, then that's not what I'd understood. Seems ju

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Mehrdad
On Friday, 17 August 2012 at 00:32:03 UTC, Mehrdad wrote: Not correct, as far as I understand. C++ only lets you cast away _const references_ to _mutable_ objects. If the object happens to have been const _itself_, then that's undefined behavior. Er, minor correction: By "casting away const

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Mehrdad
On Friday, 17 August 2012 at 00:10:52 UTC, Jonathan M Davis wrote: In C++, if you have const vector& getStuff() const; which returns a member variable, then as long as const isn't cast away, you know that the container itself won't have any elements added or removed from it, but you have _zer

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread bearophile
Mehrdad: On the note of casting away const, I don't believe that is the operation which is undefined, however modifying const is undefined as it could be pointing to immutable data. Oh, then that's not what I'd understood. Seems just like C++ then. Are you sure? bye, bearophile

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Jonathan M Davis
On Friday, August 17, 2012 01:35:46 Mehrdad wrote: > > The main thing given is transitivity. > > Sure, but what kind of an advantage does that provide compared to > C++? > (As in, a code sample would be awesome -- it's so much easier to > explain with an example to compare, rather than with words.

Re: Fragile ABI

2012-08-16 Thread dsimcha
On Thursday, 16 August 2012 at 14:58:23 UTC, R Grocott wrote: C++'s fragile ABI makes it very difficult to write class libraries without some sort of workaround. For example, RapidXML and AGG are distributed as source code; GDI+ is a header-only wrapper over an underlying C interface; and Qt m

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Mehrdad
On Thursday, 16 August 2012 at 23:18:08 UTC, Jesse Phillips wrote: Note that stronger guarentees does not translate to inferences done by the compiler. I remember being told (correct me if I'm wrong) that D's const lets the compiler perform better optimizations than C++, which i.e. means the

Re: How feasible to wrap Nvidia Toolkit for CUDA Programming

2012-08-16 Thread Nick Sabalausky
On Fri, 17 Aug 2012 00:20:10 +0200 "TJB" wrote: > D Masters, > > I'm not a hardware guy at all, but I find myself needing to > process a lot of data through some Monte Carlo statistical > algorithms. I am considering general purpose GPU computing for > this task. My question is how feasible

Re: QtD lisence

2012-08-16 Thread Nick Sabalausky
On Thu, 16 Aug 2012 23:15:14 +0200 Andrej Mitrovic wrote: > On 8/16/12, ShestakoffVS wrote: > > David, i read about LGPL and other nokia stupid ideas and now > > want to know can i staticly link my programm with qtd. > > Laws aren't stupid ideas. Just stupidly implemented ;)

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Jesse Phillips
On Thursday, 16 August 2012 at 22:14:31 UTC, Mehrdad wrote: Something I'm having trouble undertanding/remembering (sorry, you've probaby already explained it a billion times)... I remember being told many times that D's 'const' provides stronger guarantees than C++'s 'const'. If it's the for

Re: How feasible to wrap Nvidia Toolkit for CUDA Programming

2012-08-16 Thread David
Am 17.08.2012 00:20, schrieb TJB: D Masters, I'm not a hardware guy at all, but I find myself needing to process a lot of data through some Monte Carlo statistical algorithms. I am considering general purpose GPU computing for this task. My question is how feasible will it be to wrap the Nvidi

How feasible to wrap Nvidia Toolkit for CUDA Programming

2012-08-16 Thread TJB
D Masters, I'm not a hardware guy at all, but I find myself needing to process a lot of data through some Monte Carlo statistical algorithms. I am considering general purpose GPU computing for this task. My question is how feasible will it be to wrap the Nvidia cuBLAS and cuRAND libraries f

Re: What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Mehrdad
I remember being told many times that D's 'const' provides stronger guarantees than C++'s 'const'. I also remember being told that the compiler considers it UB to cast away const-ness in references, unlike in C++, which gives you more guarantees. But I'm having trouble coming up with a piec

What guarantees does D 'const' provide, compared to C++?

2012-08-16 Thread Mehrdad
Something I'm having trouble undertanding/remembering (sorry, you've probaby already explained it a billion times)... I remember being told many times that D's 'const' provides stronger guarantees than C++'s 'const'. I just wanted to clarify, is that true for 'const' itself, or is that refer

Re: QtD lisence

2012-08-16 Thread Andrej Mitrovic
On 8/16/12, ShestakoffVS wrote: > David, i read about LGPL and other nokia stupid ideas and now > want to know can i staticly link my programm with qtd. Laws aren't stupid ideas. If you want to make a commercial app, regardless of any libraries, you better have a lawyer.

Re: QtD lisence

2012-08-16 Thread Jacob Carlborg
On 2012-08-16 22:32, ShestakoffVS wrote: David, i read about LGPL and other nokia stupid ideas and now want to know can i staticly link my programm with qtd. As far as I know you need to link dynamically to Qt to avoid the LGPL license. -- /Jacob Carlborg

Re: QtD lisence

2012-08-16 Thread ShestakoffVS
On Thursday, 16 August 2012 at 19:11:51 UTC, David Nadlinger wrote: On Thursday, 16 August 2012 at 19:07:20 UTC, ShestakoffVS wrote: But i didn't understand how i can use qtd for commercial project if i must use qt sources (that i cant use in commercial project) when i'm building qtd. You can

Re: The review of std.hash package

2012-08-16 Thread deadalnix
Le 09/08/2012 11:48, Johannes Pfau a écrit : Am Wed, 08 Aug 2012 12:31:29 -0700 schrieb Walter Bright: On 8/8/2012 12:14 PM, Martin Nowak wrote: That hardly works for event based programming without using coroutines. It's the classical inversion-of-control dilemma of event based programming th

Re: Fragile ABI

2012-08-16 Thread R Grocott
And yet that is what DirectX and WinRT are all about. DirectX, yes: it's a good example of an OO library with a purely interface-based API. The only DirectX plugin architecture I can bring to mind, though (DirectShow filters), actually uses C++ classes (such as CSource) to hide a lot of the u

Re: QtD lisence

2012-08-16 Thread David Nadlinger
On Thursday, 16 August 2012 at 19:07:20 UTC, ShestakoffVS wrote: But i didn't understand how i can use qtd for commercial project if i must use qt sources (that i cant use in commercial project) when i'm building qtd. You can use Qt under the LGPL: http://qt.nokia.com/products/licensing. Da

Re: QtD lisence

2012-08-16 Thread ShestakoffVS
On Thursday, 16 August 2012 at 18:24:51 UTC, David Nadlinger wrote: On Thursday, 16 August 2012 at 16:35:19 UTC, ShestakoffVS wrote: Could you explicitly explain me can i use QtD bindings for commercial project? I am not a lawyer, but: Yes, you can, under the restriction your Qt license manda

Re: Fragile ABI

2012-08-16 Thread Paulo Pinto
On Thursday, 16 August 2012 at 16:25:01 UTC, R Grocott wrote: All of these are relatively minor issues, but taken together, they make library development quite difficult. For example, I think it would be almost impossible to develop a COM GUI toolkit. And yet that is what DirectX and WinRT

Re: QtD lisence

2012-08-16 Thread David Nadlinger
On Thursday, 16 August 2012 at 16:35:19 UTC, ShestakoffVS wrote: Could you explicitly explain me can i use QtD bindings for commercial project? I am not a lawyer, but: Yes, you can, under the restriction your Qt license mandates. The QtD libraries itself are Boost-licensed, it's just the gene

QtD lisence

2012-08-16 Thread ShestakoffVS
Could you explicitly explain me can i use QtD bindings for commercial project?

Re: DMD 2.060 OSX Installer: Error 404

2012-08-16 Thread Andrei Alexandrescu
On 8/16/12 10:56 AM, Martin Majewski wrote: Hi all, while trying to download the dmd 2.060 OSX installer from the "Downloads & Tools" section, I always get an error 404 message from the server. Can anyone please fix this or give me a link to that installer?! Bye! Apologies for the oversight.

Re: Fragile ABI

2012-08-16 Thread R Grocott
I'm aware that just exposing class interfaces (via COM or other means) is an option, but that tends to cause many problems of its own: - You can no longer call new or delete on the underlying class; you're obliged to use factory methods. This leads to issues with templates and stack allocatio

Re: Fragile ABI

2012-08-16 Thread Piotr Szturmaj
Kagamin wrote: You can also use C++ to develop COM components which have standardized ABI. ...only on Windows.

Re: Fragile ABI

2012-08-16 Thread Kagamin
You can also use C++ to develop COM components which have standardized ABI.

DMD 2.060 OSX Installer: Error 404

2012-08-16 Thread Martin Majewski
Hi all, while trying to download the dmd 2.060 OSX installer from the "Downloads & Tools" section, I always get an error 404 message from the server. Can anyone please fix this or give me a link to that installer?! Bye!

Fragile ABI

2012-08-16 Thread R Grocott
http://michelf.ca/blog/2009/some-ideas-for-dynamic-vtables-in-d/ The above blog post, written in 2009, proposes a system for solving the Fragile ABI Problem in D. Just wondering whether anything like this is a planned feature for druntime. C++'s fragile ABI makes it very difficult to write cl

Re: D language as script through JVM

2012-08-16 Thread Thiez
On Thursday, 16 August 2012 at 11:47:56 UTC, Paulo Pinto wrote: On Thursday, 16 August 2012 at 09:23:18 UTC, Thiez wrote: On Thursday, 16 August 2012 at 00:48:44 UTC, Alexey Egorov wrote: I think there is no problems to make, for example, compiler for Java Virtual Machine. Think again. Like J

Re: Is D Language mature for MMORPG Client ?

2012-08-16 Thread bearophile
Haskell folks say that their strong types help clear up a bit the meaning of the parts of the problem ("if it compiles it's right" is one of their mottos); and they also say those strong types help avoid introducing some bugs caused by changes in the design, because they cause type errors. They

Re: Exception programming difficult

2012-08-16 Thread Manipulator
I had times when I missed the Java-style Exception handling. First time I just the D sockets exceptions was thrown during runtime. The Library Reference didn't tell my anything about exceptions neither did the compiler. This could've been avoided with documentation stating which exceptions can

Re: D language as script through JVM

2012-08-16 Thread Paulo Pinto
On Thursday, 16 August 2012 at 09:23:18 UTC, Thiez wrote: On Thursday, 16 August 2012 at 00:48:44 UTC, Alexey Egorov wrote: I think there is no problems to make, for example, compiler for Java Virtual Machine. Think again. Like Java, the JVM does not have pointer arithmetic, which means there

Re: Debian Unstable and DMD 2.060 [ was Re: Ubuntu 12.04 and DMD 2.060 ]

2012-08-16 Thread Russel Winder
On Thu, 2012-08-16 at 12:09 +0200, Jordi Sayol wrote: […] > I've built an special 64-bit dmd v2.060 deb package. It includes dmd, > druntime and phobos compiled with "-g -g3" flags for gcc and cc, and "-gc" > flag for dmd. > Other binaries and 32-bit phobos library was removed. > > http://d-pack

Re: Exception programming difficult

2012-08-16 Thread Kagamin
On Wednesday, 15 August 2012 at 17:44:14 UTC, SomeDude wrote: Or you could have told him HOW he messed up. By just throwing an Exception, you are not helpful at all, you are just telling that he is an ass and that he will be punished for that. Or maybe he will curse you thinking that your progr

Re: Ubuntu 12.04 and DMD 2.060

2012-08-16 Thread Jordi Sayol
Al 16/08/12 09:35, En/na Iain Buclaw ha escrit: > I would say rebuild druntime with debugging symbols so you can get the > line where it crashes... I've built an special 64-bit dmd v2.060 deb package. It includes dmd, druntime and phobos compiled with "-g -g3" flags for gcc and cc, and "-gc" flag

Re: D language as script through JVM

2012-08-16 Thread Thiez
On Thursday, 16 August 2012 at 00:48:44 UTC, Alexey Egorov wrote: I think there is no problems to make, for example, compiler for Java Virtual Machine. Think again. Like Java, the JVM does not have pointer arithmetic, which means there is no straightforward way to write a D-to-JVM-bytecode co

Re: D language as script through JVM

2012-08-16 Thread xenon325
On Thursday, 16 August 2012 at 00:48:44 UTC, Alexey Egorov wrote: I think what D can be a perfect script language. Even more, i think it will can become very popular language, if it will be possible to use it as script language. Try rdmd (http://dlang.org/rdmd.html) It actually do compilation

Re: Ubuntu 12.04 and DMD 2.060

2012-08-16 Thread Iain Buclaw
On 7 August 2012 16:53, Alex Rønne Petersen wrote: > On 07-08-2012 13:41, Jordi Sayol wrote: >> >> Al 07/08/12 02:12, En/na Alex Rønne Petersen ha escrit: >>> >>> Hi, >>> >>> >>> Has anyone managed to get the 2.060 .deb working on Ubuntu 12.04? On all >>> 12.04 systems I have access to, all D prog