On Tuesday, 20 February 2024 at 18:33:42 UTC, Carl Sturtivant
wrote:
2.
The C source calls exit() from C's stdlib, and D needs to
terminate properly.
What do you mean by "need"? You can call
https://dlang.org/phobos/core_stdc_stdlib.html#.exit from D:
```d
import std.stdio;
void main()
{
On Monday, 15 January 2024 at 23:06:00 UTC, Steven Schveighoffer
wrote:
As a workaround, you can alias the outer function in the struct:
```d
struct S
{
alias foo = S_foo;
}
```
This might be less than ideal, but at least it works.
It does! And it's good enough for me. Thanks a lot!
--
On Monday, 15 January 2024 at 18:43:43 UTC, user1234 wrote:
The two calls are not equivalent.
so what is passed as alias need to be static too.
Thanks all. I thought a static member function just isn't able to
access the instance of the struct, but as I understand now it is
static all the
Hey people, I can use some help understanding why the last line
produces a compile error.
```d
import std.stdio;
struct S
{
static void foo(alias len)()
{
writeln(len);
}
}
void S_foo(alias len)()
{
writeln(len);
}
void main()
{
const five = 5;
S_foo!five; //
On Friday, 14 April 2023 at 00:50:31 UTC, kdevel wrote:
```
ref int foo (ref int i)
{
return i;
}
ref int bar ()
{
int i;
return foo (i);
}
void main ()
{
import std.stdio;
auto i = bar;
i.writeln;
}
```
Up to dmd v2.100.2 I am warned/get an error during compilation:
```
$
On Sunday, 19 March 2023 at 13:15:58 UTC, Armando wrote:
I would like to do something like traversing a DList, operating
on the current element, and potentially removing that element
or inserting a new one before/after it - an easy operation if
you code a DList yourself. Maybe I missed
On Thursday, 9 February 2023 at 17:49:58 UTC, Paolo Invernizzi
wrote:
```
import std.format, std.range.primitives;
struct Point(T)
{
T x, y;
void toString(W)(ref W writer, scope const ref
FormatSpec!char f) const
if (isOutputRange!(W, char))
{
put(writer, "(");
On Wednesday, 24 August 2022 at 22:29:51 UTC, Christian Köstlin
wrote:
I want to ask around how you from the dlang community work with
.lst coverage files?
No personal experience, but there are half a dozen options on
https://code.dlang.org/search?q=Coverage
— Bastiaan.
On Thursday, 31 March 2016 at 03:15:49 UTC, cy wrote:
This might be a dumb question. How do I format a string so that
all the newlines print as \n and all the tabs as \t and such?
The easiest is this:
```d
import std.conv;
string str = `Hello "World"
line 2`;
writeln([str].text[2..$-2]); //
On Thursday, 23 June 2022 at 16:16:26 UTC, vc wrote:
I've try this '\0'*10 and didn't work, i want the results be
\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00
```d
string nulls = '\0'.repeat(10).array;
```
— Bastiaan.
On Saturday, 11 June 2022 at 10:52:58 UTC, Mike Parker wrote:
I agree with your initial assessment that it should be an
error. It really only makes sense to allow the dynamic
allocation if the fields are immutable and, in the case of
arrays, the initializer is a literal.
On Saturday, 11 June 2022 at 01:52:58 UTC, Mike Parker wrote:
People getting bit by `new` in field initialization often
enough that I think a warning would be helpful.
The problem is so much bigger because it is not just a case of
being aware not to use `new` in member initialisers. As you
On Friday, 10 June 2022 at 14:56:24 UTC, Steven Schveighoffer
wrote:
On 6/10/22 3:46 AM, Mike Parker wrote:
I think this is a case where having a warning that's on by
default, and which can be explicitly disabled, is useful.
"Blah blah .init blah blah. See link-to-something-in-docs. Is
this
On Friday, 10 June 2022 at 07:49:43 UTC, Mike Parker wrote:
And it *is* documented:
Struct fields are by default initialized to whatever the
Initializer for the field is, and if none is supplied, to the
default initializer for the field's type.
The default initializers are evaluated at
On Friday, 10 June 2022 at 07:46:36 UTC, Mike Parker wrote:
On Friday, 10 June 2022 at 07:35:17 UTC, Bastiaan Veelo wrote:
Is there a use case where this makes sense? I would have much
appreciated the compiler slapping me on the fingers, but it
doesn't. I understand that it is safe and that
I have been foolish enough to make a mistake like this:
```d
struct S
{
int[] arr = new int[](5);
}
```
This is terrible because
```d
S s1;
S s2;
s2.arr[0] = 42;
writeln(s1.arr[0]); // 42 Gotcha!
```
Of course there are less obvious variants of the same mistake:
```d
import std;
struct S
{
On Wednesday, 27 April 2022 at 09:27:24 UTC, Alexander Zhirov
wrote:
Now I would like to reduce the size of the executable file and
it would be great at all!
Try the `-release` option to `dmd`. Or use LDC.
-- Bastiaan.
On Tuesday, 26 April 2022 at 18:15:57 UTC, Alain De Vos wrote:
In a perfect world there would be someone uploading a youtube
video how to implement
neovim with a dlang language-server.
With function-completions-help where hints are given about the
functions and libraries.
If anyone could do
On Thursday, 21 April 2022 at 15:31:04 UTC, HuskyNator wrote:
On Sunday, 17 April 2022 at 17:04:57 UTC, Bastiaan Veelo wrote:
You might want to have a look at
https://code.dlang.org/packages/intel-intrinsics
— Bastiaan.
This does not discuss core.simd or __vector type, or did I
On Tuesday, 19 April 2022 at 01:25:13 UTC, Era Scarecrow wrote:
The 'integral' or numeric value is used for uniqueness, […]
There is nothing that requires enum values to be unique, though:
```d
import std;
void main()
{
enum E {Zero = 0, One = 0, Two = 0}
writeln(E.Two); // Zero!
}
```
On Saturday, 16 April 2022 at 11:39:01 UTC, Manfred Nowak wrote:
In the specs(17) about enums the word "integral" has no match.
But because the default basetype is `int`, which is an integral
type, enums might be integral types whenever their basetype is
an integral type.
On the other hand
On Sunday, 17 April 2022 at 11:16:25 UTC, HuskyNator wrote:
I recently found out there is [support for vector
extensions](https://dlang.org/spec/simd.html)
But I have found I don't really understand how to use it, not
even mentioning the more complex stuff. I couldn't find any
good examples
On Tuesday, 1 February 2022 at 21:17:09 UTC, Abby wrote:
I would like to know if there is a way to set path to lib to
downloaded with package instead of harcoded.
That’s documented on the [package
page](https://code.dlang.org/packages/d2sqlite3).
Are you trying to link with a separately
On Thursday, 30 December 2021 at 19:13:10 UTC, Marcone wrote:
I get this error: Error: undefined identifier `emit`, did you
mean function `exit`?
Did you `import std.signals`?
— Bastiaan.
On Sunday, 26 December 2021 at 15:20:09 UTC, Bastiaan Veelo wrote:
So if you use `workerLocalStorage` to give each thread an
`appender!string` to write output to, and afterwards write
those to `stdout`, you'll get your output in order without
sorting.
Scratch that, I misunderstood the
On Sunday, 26 December 2021 at 06:10:03 UTC, Era Scarecrow wrote:
[...]
```d
foreach(value; taskPool.parallel(range) ){code}
```
[...]
Now said results are out of order
[...]
So I suppose, is there anything I need to know? About shared
resources or how to wait until all threads are
On Sunday, 19 December 2021 at 09:19:31 UTC, D Lark wrote:
Do you know if there's a nightly version I can specify to use
your fix?
Are you inheriting from `RandomAccessInfinite`? Then you can
probably add
```d
static if (__VERSION__ < 2099)
enum bool empty = false;
```
to make it work.
On Monday, 6 September 2021 at 15:37:31 UTC, Paul wrote:
I like to write CLEAN code:) Why does my DMD installation say
v2.097.2-dirty?
https://forum.dlang.org/post/qqxmnoshytmzflviw...@forum.dlang.org
I suppose it is due to how the scripts work that produce the
compiler release. I guess
On Tuesday, 7 September 2021 at 17:24:34 UTC, james.p.leblanc
wrote:
```d
/*…*/
// this is fine (notice that 'val' is never used
foreach( i, val ; u.tupleof ){
ptr = u.tupleof[i].x.ptr;
writeln("ptr: ", ptr);
}
// this fails with: "Error: variable 'i' cannot be read at
On Saturday, 21 August 2021 at 20:35:43 UTC, Alexey wrote:
Hello
```D
interface Int
{
void coolFunc();
}
class C1
{
void coolFunc()
{
return;
}
}
class C2 : C1, Int
{
}
void main()
{
auto c = new C2;
}
```
dmd says it's not Ok:
t.d(14): Error: class `t.C2`
On Tuesday, 17 August 2021 at 20:29:51 UTC, james.p.leblanc wrote:
So, below
is my code:
import std.stdio;
import std.meta : AliasSeq;
template isAmong(T, S...) {
static if (S.length == 0)
enum isAmong = false;
else
enum isAmong = is(T == S) || isAmong(T, S[1..$]);
}
alias
On Sunday, 15 August 2021 at 20:41:51 UTC, james.p.leblanc wrote:
struct A
{
int opIndexAssign(int v); // overloads a[] = v
int opIndexAssign(int v, size_t[2] x); // overloads
a[i .. j] = v
int[2] opSlice(size_t x, size_t y); // overloads i
.. j
}
On Wednesday, 11 August 2021 at 05:33:06 UTC, Tejas wrote:
On Tuesday, 10 August 2021 at 21:19:39 UTC, Bastiaan Veelo
wrote:
On Tuesday, 10 August 2021 at 16:00:37 UTC, Tejas wrote:
Basically, what are the subtle gotcha's in the differences
between C++ and D code that looks similar
The only
On Tuesday, 10 August 2021 at 18:13:17 UTC, Tejas wrote:
On Tuesday, 10 August 2021 at 18:07:35 UTC, Bastiaan Veelo
wrote:
On Tuesday, 10 August 2021 at 16:00:37 UTC, Tejas wrote:
there's casting away const, a clearly seperate language
feature which has no equivalent in D;
You *can* cast
On Tuesday, 10 August 2021 at 16:00:37 UTC, Tejas wrote:
Basically, what are the subtle gotcha's in the differences
between C++ and D code that looks similar
The only gotcha that comes to my mind is that `private` means
private to the module in D, not private to the aggregate.
— Bastiaan.
On Tuesday, 10 August 2021 at 16:00:37 UTC, Tejas wrote:
there's casting away const, a clearly seperate language feature
which has no equivalent in D;
You *can* cast away `const` in D: https://run.dlang.io/is/sWa5Mf
— Bastiaan.
On Tuesday, 10 August 2021 at 17:13:31 UTC, Marcone wrote:
On Tuesday, 10 August 2021 at 15:55:42 UTC, Bastiaan Veelo
wrote:
Use `size_t` and `ptrdiff_t` instead to make your program
compile in both 32 bit and 64 bit modes.
https://dlang.org/spec/type.html#aliased-types
-- Bastiaan.
Thank
On Tuesday, 10 August 2021 at 01:29:04 UTC, Marcone wrote:
Solved converting long and int.
Use `size_t` and `ptrdiff_t` instead to make your program compile
in both 32 bit and 64 bit modes.
https://dlang.org/spec/type.html#aliased-types
-- Bastiaan.
On Monday, 9 August 2021 at 16:32:13 UTC, Marcone wrote:
My main program need import a local module called mymodule.d.
How can I add this module using DUB? Thank you.
Let’s assume you just created a dub project in `myproject` with
`dub init`. Place `mymodule.d` alongside `app.d` in
On Monday, 9 August 2021 at 22:01:18 UTC, Patrick Schluter wrote:
On Monday, 9 August 2021 at 19:38:28 UTC, novice2 wrote:
format!"fmt"() and writef!"fmt"() templates
with compile-time checked format string
not accept %X for pointers,
but format() and writef() accept it
On Friday, 30 July 2021 at 05:51:41 UTC, Brian Tiffin wrote:
[... interesting account of the D experience ...]
**Kudos team and contributors.**
Can't really suggest that many improvements to resources needed
for learning D, as a hobbyist not on a clock, being new still
and low enough to not
On Friday, 9 July 2021 at 03:07:04 UTC, dangbinghoo wrote:
as questioned in the previous thread, I need to find out
something like `--as-needed` options available for D.
You are probably looking for the
[-i](https://dlang.org/dmd-osx.html#switch-i%5B) compiler option.
As far as I know `dub`
On Friday, 9 July 2021 at 21:13:02 UTC, rempas wrote:
On Friday, 9 July 2021 at 20:54:21 UTC, Paul Backus wrote:
On Friday, 9 July 2021 at 20:43:48 UTC, rempas wrote:
I'm reading the library reference for
[core.time](https://dlang.org/phobos/core_time.html#Duration)
and It says that the
On Sunday, 4 July 2021 at 07:40:44 UTC, BoQsc wrote:
I just started with a fresh look at the D language and would
like to be able to rewrite this code:
import std;
void main()
{
writeln("Hello D");
}
Into more readable standard library name:
import system;
void main()
{
On Friday, 2 July 2021 at 04:21:24 UTC, Kirill wrote:
I have a `Tuple!(string, ..., string)[] data`
If there are only strings in the tuple, it could be simplified by
making it a static array of strings instead. The compile-time
index issue would go away.
—Bastiaan
On Thursday, 24 June 2021 at 20:56:26 UTC, Ali Çehreli wrote:
On 6/24/21 1:33 PM, Bastiaan Veelo wrote:
> distributes the load across all cores (but one).
Last time I checked, the current thread would run tasks as well.
Ali
Indeed, thanks.
— Bastiaan.
On Thursday, 24 June 2021 at 21:05:28 UTC, Bastiaan Veelo wrote:
On Thursday, 24 June 2021 at 20:41:40 UTC, seany wrote:
Is there any way to control the number of CPU cores used in
parallelization ?
E.g : take 3 cores for the first parallel foreach - and then
for the second one, take 3 cores
On Thursday, 24 June 2021 at 20:41:40 UTC, seany wrote:
On Thursday, 24 June 2021 at 20:33:00 UTC, Bastiaan Veelo wrote:
By the way, nesting parallel `foreach` does not make much
sense, as one level already distributes the load across all
cores (but one). Additional parallelisation will
On Thursday, 24 June 2021 at 18:23:01 UTC, seany wrote:
I have seen
[this](https://forum.dlang.org/thread/akhbvvjgeaspmjntz...@forum.dlang.org).
I can't call break form parallel foreach.
Okey, Is there a way to easily call .stop() from such a case?
Yes there is, but it won’t break the
On Sunday, 13 June 2021 at 12:46:29 UTC, Financial Wiz wrote:
What are some of the best Financial Libraries for D? I would
like to be able to aggregate as much accurate information as
possible.
Thanks.
I am not into financials, but these libs show up in a search:
On Sunday, 13 June 2021 at 15:45:53 UTC, Justin Choi wrote:
I've tried looking through the documentation but can't find an
explanation for why you can use it without parenthesis.
https://dlang.org/spec/function.html#optional-parenthesis
(Some exceptions regarding delegates and function
On Monday, 24 May 2021 at 16:58:33 UTC, btiffin wrote:
[...]
Just bumped into
https://dlang.org/blog/2020/01/28/wc-in-d-712-characters-without-a-single-branch/
[...]
Is there a(n easy-ish) way to fix up that wc.d source in the
blog to fallback to byte stream mode when a utf-8 reader fails
On Sunday, 25 April 2021 at 13:39:54 UTC, JN wrote:
struct Foo
{
int x, y, z;
}
void main()
{
Foo bar = Foo(1,);
}
This compiles without syntax errors, is this expected?
Yes, the
On Friday, 23 April 2021 at 21:34:39 UTC, Steven Schveighoffer
wrote:
`SortedRange` itself is kind of a kludge of "policy" that isn't
fit for function.
I use release to get the original data type out (via
r.save.release), but that's about it.
See my rant about it
On Friday, 23 April 2021 at 18:35:25 UTC, Paul Backus wrote:
On Friday, 23 April 2021 at 17:35:13 UTC, Bastiaan Veelo wrote:
What happens when a range is released?
What happens if a range is not released?
What happens if a range is released more than once?
And what does "controlled" imply
For reference, `SortedRange.release` is
[documented](https://dlang.org/phobos/std_range.html#.SortedRange) as such:
"Releases the controlled range and returns it."
Wow thanks! I love functions that are named exactly as what they
do ;-) Seriously though, I still don't know what it is that it
On Sunday, 11 April 2021 at 19:45:30 UTC, Ruby The Roobster wrote:
What am I doing wrong here? Is it the 'for' loop?
Yes, there is a `7` where there should be an `i` on this line:
```d
for(int i=7;7>=0;i--)
```
This will go on forever, so you get a range error as soon as `i <
0`.
On Saturday, 3 April 2021 at 19:02:34 UTC, Brad wrote:
I just do not know enough about the D libraries to figure out
what is wrong. I know it is a case of type mismatch. The
example appears on the Mir-Random page as listed under DUB:
https://code.dlang.org/packages/mir-random
[...]
I
On Saturday, 27 March 2021 at 15:09:20 UTC, Jan wrote:
I just tried to get this example to work:
https://dlang.org/spec/cpp_interface.html#using_d_classes_from_cpp
It kept crashing for me with a 'privileged instruction' error
when the function 'bar' was executed. Finally I removed the
call to
On Thursday, 25 March 2021 at 04:00:33 UTC, Chris Piker wrote:
As an aside, software developers at NASA Goddard have now heard
of D which is nice. They were pleased to see that it was
supported by gcc. (Hat tip to the GDC team)
That’s cool. I’d love to see NASA on
On Sunday, 14 March 2021 at 16:09:39 UTC, Imperatorn wrote:
On Sunday, 14 March 2021 at 10:42:17 UTC, wolframw wrote:
enum BoolEnum : bool { TestBool = false }
enum CharEnum : char { TestChar = 'A' }
enum StringEnum : string { TestString = "Hello" }
pragma(msg, isBoolean!BoolEnum);
On Thursday, 11 March 2021 at 19:38:01 UTC, Imperatorn wrote:
I created some PDFs (on request) of the dlang spec mobi-file
and uploaded them here:
https://gofile.io/d/ijctZt
Different converters were used, hence multiple files.
Maybe someone can upload a good version on dlang.org and link
to
On Wednesday, 3 March 2021 at 23:30:20 UTC, harakim wrote:
Contrast to me trying to figure out how to format a number in
binary. format!"%b"(number) does not work but is very similar
to what is suggested in the documentation. I was able to figure
out it's format("%b", number) but it took a few
On Wednesday, 3 March 2021 at 23:30:20 UTC, harakim wrote:
Every time I come back to a D program I wrote over a year ago,
it seems like there are numerous breaking changes and it takes
me a while to get it to compile again.
I am porting a large code base from Extended Pascal to D and I
know
On Wednesday, 3 February 2021 at 13:37:42 UTC, frame wrote:
I have to deal with GC as long I want to use other libraries
that are relying on it or even just phobos.
Conclusion so far (for Windows):
32bit:
- GC just doesn't work at all
?? Do you mean no collections happen? 32bit GC should
On Friday, 5 February 2021 at 21:40:29 UTC, wolfiesnotfine wrote:
In any case, I'm unsure how I would runtime init from C++. Is
there a specific function I should call?
https://dlang.org/phobos/core_runtime.html#.rt_init
Could this be done at compile time in a consteval or constexpr
On Wednesday, 13 January 2021 at 09:11:53 UTC, Guillaume Piolat
wrote:
On Wednesday, 13 January 2021 at 08:35:09 UTC, Andrey wrote:
Hello all,
Tell me please how can I "writeln" and "write" in function
that is used in CTFE?
At the moment I get this:
import\std\stdio.d(4952,5): Error: variable
On Friday, 8 January 2021 at 18:28:36 UTC, Ferhat Kurtulmuş wrote:
On Friday, 8 January 2021 at 15:40:12 UTC, Bastiaan Veelo wrote:
Hi,
When I use earcutd [1] in an ordinary D project, I get a link
error for the __D7earcutd12__ModuleInfoZ symbol.
[...]
Dear Bastiaan,
I am not an expert in
Hi,
When I use earcutd [1] in an ordinary D project, I get a link
error for the __D7earcutd12__ModuleInfoZ symbol. This is because
the earcutd dub.json has `"dflags": ["-betterC"]`. I think this
is in error, my understanding of betterC code is that it can be
compiled with "-betterC", but
On Saturday, 12 December 2020 at 18:15:11 UTC, vnr wrote:
On Saturday, 12 December 2020 at 16:43:43 UTC, Bastiaan Veelo
wrote:
Have you looked at Pegged [1]? It will give you the lexer and
parser in one go. I'd be very interested to see how it
performs on that kind of input.
-- Bastiaan.
On Friday, 11 December 2020 at 19:49:12 UTC, vnr wrote:
For a project with good performance, I would need to be able to
analyse text. To do so, I would write a parser by hand using
the recursive descent algorithm, based on a stream of tokens. I
started writing a lexer with the d-lex package
On Friday, 4 December 2020 at 12:54:25 UTC, Andrey wrote:
Hello,
void test(const ref string[3] qazzz) { qazzz.writeln; }
void main()
{
enum string[3] value = ["qwer", "ggg", "v"];
test(value);
}
Gives errors:
It works if you pass `-preview=rvaluerefparam` to the compiler.
But the
On Sunday, 29 November 2020 at 16:05:04 UTC, Mark wrote:
Hi,
can I ask you something in general? I don't know anyone whom I
could ask. I'm a hobbyist with no science degree or job in
computing, and also know no other programmers.
I have no good understanding why "garbage collection" is a
On Wednesday, 18 November 2020 at 10:50:12 UTC, frame wrote:
I found the "bug". It was caused by a debug {} statement within
a struct method. I assume that the debug symbol is just
incompatible called from the DLL context.
Were the DLL and main program built in different modes
On Saturday, 14 November 2020 at 17:21:15 UTC, Marcone wrote:
Error:
D:\dmd2\windows\bin\..\..\src\phobos\std\parallelism.d(516):
Error: struct `Fruit` does not overload ()
I think you need to pass the this pointer somehow. This works:
import std;
struct Fruit {
string name;
On Monday, 28 September 2020 at 21:58:31 UTC, Steven
Schveighoffer wrote:
On 9/28/20 3:28 PM, Bastiaan Veelo wrote:
I’m leaning towards ditching the memory mapped I/O on the D
end, and replace it by regular serialisation/deserialisation.
That will be a manual rewrite though, which is a bit of
On Monday, 28 September 2020 at 15:44:44 UTC, Steven
Schveighoffer wrote:
On 9/28/20 8:57 AM, Bastiaan Veelo wrote:
I am glad to have found the cause of the breakage finally, but
it won't be easy to find a generic solution...
Obviously, this isn't a real piece of code, but there is no way
On Friday, 5 June 2020 at 21:20:09 UTC, Steven Schveighoffer
wrote:
This kind of sounds like a codegen bug, a race condition, or
(worst case) memory corruption.
I think it must have been memory corruption: I had not realized
that our old Pascal compiler aligns struct members on one byte
On Sunday, 19 April 2020 at 16:47:06 UTC, Basile B. wrote:
I 've started experimenting Pegged action. Quickly i got
blocked by this problem. The start action works where I use the
rule but not directly in the rule.
I don't understand the difference between how you use "where" and
"directly
I've been tracking down a hang in our pilot app. Using writeln,
it appears to hang at newing a slice. After many hours of trying
things, I discovered that program flow would continue past that
point when I inserted a call to `GC.collect()` just before. Then
it stalled again at a call to Win32
On Monday, 1 June 2020 at 09:42:44 UTC, Boris Carvajal wrote:
On Monday, 1 June 2020 at 06:35:36 UTC, MaoKo wrote:
Hello, I don't understand why this code segfault on
Reduced to:
import std.stdio;
struct S {}
void main() {
S[1] s;
writeln(s);
}
This used to work up to dmd 2.084.1. It
On Thursday, 1 November 2018 at 08:50:38 UTC, Bastiaan Veelo
wrote:
On Thursday, 1 November 2018 at 00:01:04 UTC, Stefan Koch wrote:
On Wednesday, 31 October 2018 at 23:14:08 UTC, Bastiaan Veelo
wrote:
Currently, BitArray is not usable at compile time, so you
cannot do
```
enum e =
On Tuesday, 10 March 2020 at 06:09:23 UTC, tcak wrote:
I write a code as below:
auto result = new char[4];
It allocates memory as expected.
This is a slice of four chars, which can be used as a dynamic
array.
Later I define an alias and do the above step:
alias Pattern = char[4];
This
On Tuesday, 8 August 2017 at 09:17:02 UTC, data pulverizer wrote:
I would like to know how to specify dmd or ldc compiler and
version in a json dub file.
Update: you can at least specify these in the toolchain
requirements section:
On Thursday, 5 December 2019 at 11:28:51 UTC, Marcone wrote:
Simple example:
writeln("Hi\nHow are
you?\nGood".splitLines()[0][0..?lastIndexOf(r"\")]);
How to refer to this string in lastIndexOf() without create a
variable?
Thank you.
.splitLines[0] already just produces "Hi", containing
On Wednesday, 4 December 2019 at 14:44:43 UTC, Ola Fosheim
Grøstad wrote:
When is there a noticable difference when using const values
instead of immutable values in a function body? And when should
immutable be used instead of const?
f(){
const x = g();
immutable y = g();
... do stuff
On Tuesday, 12 November 2019 at 08:15:20 UTC, Basile B. wrote:
I'm curious to know what is the equivalent in Pascal that your
transpiler fails to translate since Pascal records don't have
constructors at all. Maybe you used an old school 'Object' ?
Note that Extended Pascal is not exactly
On Monday, 11 November 2019 at 21:52:12 UTC, Jonathan M Davis
wrote:
On Monday, November 11, 2019 12:17:37 PM MST Bastiaan Veelo via
Digitalmars- d-learn wrote:
[...]
I could use some help in rewriting the code below so that arr1
and arr2 each have their own data; ideally with minimal
On Monday, 11 November 2019 at 20:05:11 UTC, Antonio Corbi wrote:
Defining and using a constructor for WrapIntegerArray seems to
work:
void main()
{
import std.stdio;
WrapIntegerArray arr1 = WrapIntegerArray(5);
arr1[0] = 42;
WrapIntegerArray arr2 =
Recently I got my first surprise with our use of D. The symptom
was that two local variables in two different functions appeared
to be sharing data.
A simplified example is shown below (the original was machine
translated from Pascal and involved templates and various levels
of indirection).
On Monday, 30 September 2019 at 20:10:21 UTC, Brett wrote:
[...]
The way the data is structured is that I have a master array of
non-ptr structs.
E.g.,
S[] Data;
S*[] OtherStuff;
then every pointer points to an element in to Data. I did not
use int's as "pointers" for a specific
On Tuesday, 13 August 2019 at 08:41:07 UTC, ijet wrote:
How to use #pragma omp parallel for collapse(n) in dlang?
I don’t understand the question.
Bastiaan.
On Friday, 2 August 2019 at 18:25:28 UTC, jmh530 wrote:
When I navigate to https://forum.dlang.org/ I have a message
that says "1 new reply" to "your posts." Normally, I click on
that "1 new reply" and find the post that's new, go to it, and
the message disappears. However, it doesn't seem to
On Saturday, 3 August 2019 at 09:26:03 UTC, Andrey wrote:
Hello, how to get name of my application (project) that we
write in dub.json? Is there any compile-time constant like
__MODULE__?
The name of an application is not a compile time constant: you
can rename the executable at any time.
On Friday, 2 August 2019 at 13:45:17 UTC, Alexandre wrote:
On Friday, 2 August 2019 at 12:30:44 UTC, berni wrote:
On Wednesday, 31 July 2019 at 18:38:02 UTC, Alexandre wrote:
[...]
In my oppinion C should have been deprecated about 50 years
ago and it's not worth while to learn it if you
On Thursday, 1 August 2019 at 20:02:08 UTC, Aurélien Plazzotta
wrote:
[...]
But don't fool yourself, D is not for beginners. Ali Çehreli is
a very skilled programmer, ergo, he can't reason like a
new/starting programmer anymore, regardless of his patience and
kindness.
I am sorry, but this
On Friday, 17 May 2019 at 18:36:00 UTC, ag0aep6g wrote:
I'd suggest "17 ms, and 553.1µs" for a better default (1 hns is
0.1 µs, right?). No weird "hnsecs", no false precision, still
all the data that is there.
I was going to propose the same. Hns is weird.
Bastiaan.
On Sunday, 12 May 2019 at 13:39:15 UTC, Robert M. Münch wrote:
When developing Windows GUI applications I use:
// detach from console and attach to a new one, works for
x86 and x86_64
FreeConsole();
AllocConsole();
freopen("CONIN$", "r", stdin);
freopen("CONOUT$",
On Monday, 13 May 2019 at 20:39:57 UTC, Steven Schveighoffer
wrote:
Why? I can't even use it at compile time...
pragma(msg, moddata.length);
Is that a good test or "usable at compile time", though? Isn't
pragma(msg) done at an earlier stage than CTFE? I think that was
the argument for
On Sunday, 12 May 2019 at 18:47:20 UTC, Bogdan wrote:
On Sunday, 12 May 2019 at 17:53:56 UTC, Bastiaan Veelo wrote:
If I understand your question correctly, you have two enums of
equal length, and you want to convert members across enums
according to their position, right?
My question was
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