### Re: Development: Work vs Lazy Programmers... How do you keep sanity?

On Thursday, 3 December 2020 at 15:18:31 UTC, matheus wrote: Hi, I didn't know where to post this and I hope this is a good place. I'm a lurker in this community and I read a lot of discussions on this forum and I think there a lot of smart people around here. So I'd like to know if any

### Re: How to imporve D-translation of these Python list comprehensions ?

On Monday, 15 January 2018 at 19:05:52 UTC, xenon325 wrote: A workmate has recently shown this piece of code to show how nice Python is (we are mostly C and growing C++ shop): dd = [dict(_name=k, **{a + str(i): aget(d, k, a) for a in aa for i, d in enumerate([srv1, srv2])}) for k in

### Re: Efficient way to pass struct as parameter

On Tuesday, 2 January 2018 at 18:45:48 UTC, Jonathan M Davis wrote: [...] Smart optimizer should think for you without any "auto" private words if function is inlined. I mean LDC compiler first of all.

### Re: Why 2 ^^ 1 ^^ 2 = 2?

On Sunday, 22 October 2017 at 14:20:20 UTC, Ilya Yaroshenko wrote: .. i thought it should be (2 ^^ 1) ^^ 2 = 4 Imagine 2^^10^^10^^7. It's a big number, isn't? (up-up-and up) Where would you start from?

### Re: "version" private word

On Tuesday, 31 October 2017 at 15:19:49 UTC, Steven Schveighoffer wrote: On 10/31/17 10:47 AM, Igor Shirkalin wrote: [...] Sorry I hate writing code on mobile. You can create an arbitrary version by assigning a symbol to it, use that symbol to describe a feature, assign that symbol for

### Re: "version" private word

On Tuesday, 31 October 2017 at 14:54:27 UTC, Dr. Assembly wrote: On Tuesday, 31 October 2017 at 13:53:54 UTC, Jacob Carlborg wrote: On 2017-10-31 14:46, Igor Shirkalin wrote: [...] The only alternative is to do something like this: version (X86) enum x86 = true; else enum x86 =

### Re: "version" private word

On Tuesday, 31 October 2017 at 14:31:17 UTC, Jesse Phillips wrote: On Tuesday, 31 October 2017 at 14:25:19 UTC, Igor Shirkalin wrote: On Tuesday, 31 October 2017 at 14:22:37 UTC, Jesse Phillips wrote: On Tuesday, 31 October 2017 at 13:46:40 UTC, Igor Shirkalin wrote: Hello! You goal should

### Re: "version" private word

On Tuesday, 31 October 2017 at 14:22:37 UTC, Jesse Phillips wrote: On Tuesday, 31 October 2017 at 13:46:40 UTC, Igor Shirkalin wrote: Hello! You goal should be to describe features. Version x86 ... Version = I can stand on my head ... pardon?

### Re: "version" private word

On Tuesday, 31 October 2017 at 13:53:54 UTC, Jacob Carlborg wrote: On 2017-10-31 14:46, Igor Shirkalin wrote: Hello! We need some conditional compilation using 'version'. Say we have some code to be compiled for X86 and X86_64. How can we do that using predefined (or other) versions? Examples:

### "version" private word

Hello! We need some conditional compilation using 'version'. Say we have some code to be compiled for X86 and X86_64. How can we do that using predefined (or other) versions? Examples: version(X86 || X86_64) // failed version(X86) || version(X86_64) // failed The following works but it

### Re: the best language I have ever met(?)

On Friday, 25 November 2016 at 19:16:43 UTC, ketmar wrote: yeah. but i'm not Andrei, i don't believe that the only compiler task is to resolve templated code. ;-) i.e. Andrei believes that everything (and more) should be moved out of compiler core and done with library templates. Andrei is

### Re: Why do I have to cast arguments from int to byte?

On Tuesday, 10 October 2017 at 19:55:36 UTC, Chirs Forest wrote: I keep having to make casts like the following and it's really rubbing me the wrong way: void foo(T)(T bar){...} byte bar = 9; foo!byte(bar + 1); //Error: function foo!byte.foo (byte bar) is not callable using argument types

### Re: Create uninitialized dynamic array

On Thursday, 5 October 2017 at 21:04:30 UTC, Adam D. Ruppe wrote: On Thursday, 5 October 2017 at 19:59:48 UTC, Igor Shirkalin wrote: Is there a pure way to make what I want? oh i almost forgot about this function too: http://dpldocs.info/experimental-docs/std.array.uninitializedArray.1.html

### Re: Create uninitialized dynamic array

On Thursday, 5 October 2017 at 20:19:15 UTC, Adam D. Ruppe wrote: On Thursday, 5 October 2017 at 19:59:48 UTC, Igor Shirkalin wrote: I want to quickly fill it with my own data and I do not want to waste CPU time to fill it with zeros (or some other value). You could always just allocate it

### Re: Looking for a mentor in D

On Tuesday, 3 October 2017 at 06:54:01 UTC, eastanon wrote: I have been reading the D forums for a while and following on its amazing progress for a long time. Over time I have even written some basic D programs for myself, nothing major or earth shuttering. I have downloaded and read Ali's

### Create uninitialized dynamic array

Hello! Preface: I need 1G array of ints (or anything else). Problem: I want to quickly fill it with my own data and I do not want to waste CPU time to fill it with zeros (or some other value). I do like this: void main() { int[] data; // key code: data.length = SOMETHING; //

### Re: Remove instance from array

On Wednesday, 5 July 2017 at 16:04:16 UTC, Jolly James wrote: On Wednesday, 5 July 2017 at 15:56:45 UTC, Igor Shirkalin wrote: On Wednesday, 5 July 2017 at 15:48:14 UTC, Jolly James wrote: On Wednesday, 5 July 2017 at 15:44:47 UTC, Igor Shirkalin wrote: On Wednesday, 5 July 2017 at 15:30:08

### Re: Foreign threads in D code.

On Wednesday, 12 July 2017 at 09:49:32 UTC, Guillaume Piolat wrote: On Tuesday, 11 July 2017 at 22:59:42 UTC, Igor Shirkalin wrote: [...] -- Biotronic Thanks for very useful information! Just one small note. If you don't know the foreign thread lifetime, it's cleaner to detach it from

### Re: Foreign threads in D code.

On Tuesday, 11 July 2017 at 06:18:44 UTC, Biotronic wrote: On Monday, 10 July 2017 at 20:03:32 UTC, Igor Shirkalin wrote: [...] If DRuntime is not made aware of the thread's existence, the thread will not be stopped by the GC, and the GC might collect memory that the thread is referencing

### Foreign threads in D code.

Hello! I have written some D code that I need to link to :C++ huge project. Let it be just one function that uses GC. The question is: if C++ code creates several threads and runs this :D function simultaneously, will GC work correctly? p.s. Of course the druntime is initialized before it.

### Re: Remove instance from array

On Wednesday, 5 July 2017 at 16:04:16 UTC, Jolly James wrote: On Wednesday, 5 July 2017 at 15:56:45 UTC, Igor Shirkalin wrote: On Wednesday, 5 July 2017 at 15:48:14 UTC, Jolly James wrote: On Wednesday, 5 July 2017 at 15:44:47 UTC, Igor Shirkalin wrote: On Wednesday, 5 July 2017 at 15:30:08

### Re: Remove instance from array

On Wednesday, 5 July 2017 at 15:48:14 UTC, Jolly James wrote: On Wednesday, 5 July 2017 at 15:44:47 UTC, Igor Shirkalin wrote: On Wednesday, 5 July 2017 at 15:30:08 UTC, Jolly James wrote: WhatEver[] q = []; [...] auto i = new WhatEver(); q[] = i; How does one remove that instance 'i'?

### Re: Remove instance from array

On Wednesday, 5 July 2017 at 15:30:08 UTC, Jolly James wrote: WhatEver[] q = []; [...] auto i = new WhatEver(); q[] = i; How does one remove that instance 'i'? What exactly do you want to remove? After a[]=i your array contain a lot of references to 'i'.

### Re: casting to structure

On Saturday, 24 June 2017 at 21:41:22 UTC, Moritz Maxeiner wrote: Hi, unfortunately not: - Operator overloading is supported via member functions only [1]. - Corollary: You cannot overload operators for builtin types (i.e. where the cast gets rewritten to `e.opOverloaded` where `e` is a

### Re: casting to structure

On Saturday, 24 June 2017 at 20:43:48 UTC, Igor Shirkalin wrote: struct A { void * data; // void * type is just for example // no matter what is here } I know that if I add constructor this(int) struct A { void * p; this(int k) { p = cast(void*)k; } } auto a = cast(A)

### casting to structure

Hello! I'm in trouble with opCast function. Is it possible to cast some (integral) type to user defined structure? We have a structure: struct A { void * data; // void * type is just for example // no matter what is here } How can we define opCast operator to make the following

### Re: Simple c header => Dlang constants using mixins in compile time

On Sunday, 18 June 2017 at 16:02:38 UTC, Seb wrote: On Saturday, 17 June 2017 at 11:27:40 UTC, Igor Shirkalin wrote: On Saturday, 17 June 2017 at 11:23:52 UTC, Cym13 wrote: On Saturday, 17 June 2017 at 11:20:53 UTC, Igor Shirkalin wrote: [...] I'm sure others will have cleaner solutions as

### Re: Simple c header => Dlang constants using mixins in compile time

On Saturday, 17 June 2017 at 11:23:52 UTC, Cym13 wrote: On Saturday, 17 June 2017 at 11:20:53 UTC, Igor Shirkalin wrote: [...] I'm sure others will have cleaner solutions as as a quick hack you can read the file at compile time, modify it, and compile the D code on the go: [...] Thanks

### Re: Simple c header => Dlang constants using mixins in compile time

On Saturday, 17 June 2017 at 11:10:47 UTC, Igor wrote: On Saturday, 17 June 2017 at 10:56:52 UTC, Igor Shirkalin wrote: Hello! I have a simple C header file that looks like: #define Name1 101 #define Name2 122 #define NameN 157 It comes from resource compiler and I need all these

### Simple c header => Dlang constants using mixins in compile time

Hello! I have a simple C header file that looks like: #define Name1 101 #define Name2 122 #define NameN 157 It comes from resource compiler and I need all these constants to be available in my Dlang program in compile time. It seems to me it is possible. I know I can simply write

### Re: Strange expression found in std.variant

On Saturday, 3 June 2017 at 16:22:33 UTC, Francis Nixon wrote: When looking at std.variant I found the following line: return q{ static if (allowed!%1\$s && T.allowed!%1\$s) if (convertsTo!%1\$s && other.convertsTo!%1\$s) return VariantN(get!%1\$s %2\$s other.get!%1\$s);

### Re: Default class template parameter

On Saturday, 27 May 2017 at 19:30:40 UTC, Stanislav Blinov wrote: On Saturday, 27 May 2017 at 19:23:59 UTC, Igor Shirkalin wrote: [...] No, you'd have to at least write auto a = new ClassName!()(1.2); Or you could define a make function: auto makeClassName(T = double)(T value) { return

### Default class template parameter

Hi, I try to make a class template with single template argument defaulted to some type. Is it possible to use the name of class without specification of template argumet (no '!' operator)? Example: class ClassName(T=double) { this(T value) { /// do some stuff here } /// some

### Re: [Semi-OT] I don't want to leave this language!

On Monday, 5 December 2016 at 20:25:00 UTC, Ilya Yaroshenko wrote: Hi e-y-e, The main problem with D for production is its runtime. GC, DRuntime, Phobos is big constraint for real world software production. The almost only thing I do is real world software production (basically math and

### Re: the best language I have ever met(?)

On Monday, 5 December 2016 at 17:27:21 UTC, Igor Shirkalin wrote: On Monday, 5 December 2016 at 16:39:33 UTC, eugene wrote: On Monday, 5 December 2016 at 16:07:41 UTC, Igor Shirkalin wrote: I didnt count, but its about ten thousend a year, i.e. nothing. if you earned nothing using D language

### Re: the best language I have ever met(?)

On Monday, 5 December 2016 at 16:39:33 UTC, eugene wrote: On Monday, 5 December 2016 at 16:07:41 UTC, Igor Shirkalin wrote: I didnt count, but its about ten thousend a year, i.e. nothing. if you earned nothing using D language why do you recommend it?))) People usually earn money using

### Re: the best language I have ever met(?)

On Saturday, 3 December 2016 at 15:02:35 UTC, eugene wrote: On Friday, 18 November 2016 at 17:54:52 UTC, Igor Shirkalin wrote: That was preface. Now I have server written in D for C++ pretty ancient client. Most things are three times shorter in size and clear (@clear? suffix). All

### Re: the best language I have ever met(?)

On Monday, 28 November 2016 at 16:15:23 UTC, Jonathan M Davis wrote: That's what pragma(inline, true) is for. And if someone wants a different solution that's completely compile-time and doesn't work with variables, then fine. I'm talking about adding something to the standard library, and for

### Re: the best language I have ever met(?)

On Friday, 25 November 2016 at 07:17:18 UTC, MGW wrote: On Wednesday, 23 November 2016 at 18:54:35 UTC, Igor Shirkalin wrote: Igor, is the good Russian-speaking forum https://vk.com/vk_dlang. There are articles on GUI and other aspects of dlang. Thank you, I'll tale a look at it for sure.

### Re: the best language I have ever met(?)

On Friday, 25 November 2016 at 14:51:52 UTC, Jonathan M Davis wrote: I think you may write it (I mean actual D) with using some template like this: auto array = static_array!uint(1, 2, 3, 4) Could you please help to write down this template in the best and clear manner? That's easy. The

### Re: the best language I have ever met(?)

On Wednesday, 23 November 2016 at 18:58:55 UTC, ketmar wrote: We can define static array without counting the elements as following: enum array_ = [1u,2,3,4]; uint[array_.length] static_array = array_; there are workarounds, of course. yet i'll take mine `uint[\$] a = [1u,2,3,4];` over that

### Re: the best language I have ever met(?)

On Tuesday, 22 November 2016 at 00:08:05 UTC, ketmar wrote: On Monday, 21 November 2016 at 23:49:27 UTC, burjui wrote: Though I would argue that it's better to use '_' instead of '\$' to denote deduced fixed size, it seems more obvious to me: int[_] array = [ 1, 2, 3 ]; alas, `_` is valid

### Re: the best language I have ever met(?)

On Saturday, 19 November 2016 at 20:54:32 UTC, ketmar wrote: On Saturday, 19 November 2016 at 17:12:13 UTC, Igor Shirkalin wrote: string s = "%(%s, %)".format(a); writefln(s); } Accepted. Is it really needed to call 'writefln'? I mean 'f'. no. it's a leftover from the code without

### Re: the best language I have ever met(?)

On Saturday, 19 November 2016 at 00:28:36 UTC, Stefan Koch wrote: import std.stdio; import std.format; void main () { uint[\$] a = [42, 69]; string s = "%(%s, %)".format(a); writefln(s); } Please don't post non-d. People might use it an then complain that it does not work. Let these

### Re: the best language I have ever met(?)

On Friday, 18 November 2016 at 21:28:44 UTC, ketmar wrote: On Friday, 18 November 2016 at 20:31:57 UTC, Igor Shirkalin wrote: After 2 hours of brain breaking (as D newbie) I have come to: uint_array.map!(v=>"%x".format(v)).join(", ") Why 2 hours? Because I have started with 'joiner' function

### Re: the best language I have ever met(?)

On Friday, 18 November 2016 at 19:47:17 UTC, H. S. Teoh wrote: On Fri, Nov 18, 2016 at 11:43:49AM -0800, H. S. Teoh via Digitalmars-d-learn wrote: [...] Yes, I meant 'sentiments' as in опыта, not as in сентметальность. :-) [...] Sorry, typo. I meant сентиментальности. But I think you

### Re: the best language I have ever met(?)

On Friday, 18 November 2016 at 19:47:17 UTC, H. S. Teoh wrote: Yes, I meant 'sentiments' as in опыта, not as in сентметальность. :-) [...] Sorry, typo. I meant сентиментальности. But I think you understand what I mean. :-) Oh, I think you understand what you think what I mean :)

### Re: the best language I have ever met(?)

On Friday, 18 November 2016 at 19:43:49 UTC, H. S. Teoh wrote: I was a little bit afraid of my missunderstanding in terms of sentiments. You've got me right (I don't quite feel the meaning of that in these non-cyrillic letters:). But what I understand is the path you have walked and what I

### Re: the best language I have ever met(?)

On Friday, 18 November 2016 at 19:43:49 UTC, H. S. Teoh wrote: I was a little bit afraid of my missunderstanding in terms of sentiments. You've got me right (I don't quite feel the meaning of that in these non-cyrillic letters:). But what I understand is the path you have walked and what I

### Re: the best language I have ever met(?)

On Friday, 18 November 2016 at 18:14:41 UTC, H. S. Teoh wrote: Welcome, Igor! Hello, Teoh! Your sentiments reflect mine years ago when I first discovered D. I came from a C/C++/Perl background. It was also Andrei's book that got me started; in those early days documentation was scant and

### the best language I have ever met(?)

The simpler - the better. After reading "D p.l." by A.Alexandrescu two years ago I have found my past dream. It's theory to start with. That book should be read at least two times especially if you have asm/c/c++/python3/math/physics background, and dealt with Watcom/Symantec C/C++ compilers