Hi All,
I am clearly misunderstanding something fundamental, and probably
obvious :D
Reading some of the discussions on __metadata I was wondering if
someone could explain why a immutable reference counting type is
needed. By definition a reference counter cannot be immutable, so
what would
On Sunday, 10 April 2022 at 23:19:47 UTC, rikki cattermole wrote:
immutable isn't tied to lifetime semantics.
It only says that this memory will never be modified by anyone
during its lifetime.
This is clearly where I am misunderstanding. In my mind immutable
data means the data will not ch
On Thursday, 12 September 2019 at 12:52:48 UTC, BoQsc wrote:
Is there a way to archive multiple .d source code files and
make that archive executable, or something similar?
You can achieve something similar with rdmd and shell;
$ tar -zcvf source_files.tar.gz source1.d source2.d ... sourceN.d
On Wednesday, 18 September 2019 at 11:10:11 UTC, berni wrote:
Is it possible to simplfy this?
static if (is (T==Complex!double) || is (T==Complex!float) ||
is (T==Complex!real))
I usually do something like the following:
---
import std.traits;
template isComplexReal(T) {
enum isComplexRe
On Thursday, 19 September 2019 at 20:47:45 UTC, Shadowblitz16
wrote:
On Thursday, 19 September 2019 at 19:16:03 UTC, Mike Parker
wrote:
On Thursday, 19 September 2019 at 18:25:05 UTC, Shadowblitz16
wrote:
I wanted to do 4bpp 16 color graphics.
and I didn't want to load anything unnecessary in
On Saturday, 1 February 2020 at 08:38:22 UTC, Luhrel wrote:
On Saturday, 1 February 2020 at 08:32:51 UTC, Ferhat Kurtulmuş
wrote:
On Saturday, 1 February 2020 at 08:27:07 UTC, Luhrel wrote:
On Saturday, 1 February 2020 at 08:21:29 UTC, Ferhat
Kurtulmuş wrote:
You cannot.
https://dlang.org/sp
On Friday, 1 May 2020 at 07:38:53 UTC, Chris Katko wrote:
I'm making anagrams. According to the nextPermutation() docs, I
need to 'sort by less' to get all permutations. ... Except the
doc page doesn't mention how to do that, nor does
std.algorithm.sort show how to sort a string. ... and the
g
I was reading some posts and this was presented as a snippet of
code and was immediately flagged as bad practice.
I get some people don't like it but occasionally I prefer this
syntax. It feels more declarative and fluent in style. Is there a
good technical reason why it is bad practice, e.g.
On Friday, 20 November 2020 at 18:46:40 UTC, Martin wrote:
On Friday, 20 November 2020 at 10:03:18 UTC, Daniel Kozak wrote:
I remember days when I liked UFCS too . Unfortunately it is
not so awesome when you use it with IDE.
And I would like to add: if you use in a bigger team. It's
annoying
On Monday, 8 March 2021 at 22:29:58 UTC, Q. Schroll wrote:
When I enter `dmd --version`, it says:
DMD64 D Compiler v2.095.1-dirty
What should the "dirty" mean? To me, it seems looks something
went wrong somewhere.
This comes from `git describe --dirty` and indicates there were
uncommitted c
On Thursday, 5 August 2021 at 01:14:26 UTC, H. S. Teoh wrote:
On Thu, Aug 05, 2021 at 12:47:06AM +, someone via
Digitalmars-d-learn wrote:
[...]
1) If the constant is a POD (int, float, etc.), use:
enum myValue = ...;
2) If the constant is a string or some other array:
s
On Thursday, 13 September 2018 at 23:25:24 UTC, Josphe Brigmo
wrote:
I am trying to remove a file
remove(filename);
and I get an access denied!
I can remove it from explorer just fine.
I am able to remove other files but there should be no reason
why the file can't be removed in this case.
On Friday, 16 November 2018 at 15:59:14 UTC, Vinay Sajip wrote:
This code should IMO give at least a warning, but it doesn't:
abstract class A {
int kind;
}
[...]
This is not unique to D you can do the same in Java or C++.
bye,
Norm
On Saturday, 2 February 2019 at 16:56:45 UTC, Ron Tarrant wrote:
Hi guys,
I ran into another snag this morning while trying to implement
a singleton. I found all kinds of examples of singleton
definitions, but nothing about how to put them into practice.
[...]
If you haven't already been t
On Saturday, 2 February 2019 at 16:56:45 UTC, Ron Tarrant wrote:
Hi guys,
I ran into another snag this morning while trying to implement
a singleton. I found all kinds of examples of singleton
definitions, but nothing about how to put them into practice.
Can someone show me a code example fo
Hi,
I'm trying to use Variant in a struct and want a default init
value like so:
---
struct S {
Variant v = Variant(10);
}
void main() {auto s = S();}
but when I try to build this I get the following error:
dmd2/linux/bin64/../../src/phobos/std/variant.d(661): Error:
memcpy cannot be inte
On Thursday, 7 February 2019 at 07:44:17 UTC, Alex wrote:
On Thursday, 7 February 2019 at 07:33:50 UTC, Norm wrote:
[...]
Hmm... found something similar from 2014...
https://issues.dlang.org/show_bug.cgi?id=11864
Thanks, I've added a comment to that bug report.
Cheers,
Norm
On Monday, 17 June 2019 at 00:22:23 UTC, Samir wrote:
On Sunday, 16 June 2019 at 23:55:41 UTC, lithium iodate wrote:
There is *very* likely to be a terminating new-line at the end
of the file (many editors add one without asking!). If that
the case, the last line seen by the loop will be empty
Hi All,
In my generic code I now get this error, which requires manually
finding all -a[] array ops, but that is another matter.
$/src/druntime/import/core/internal/arrayop.d-mixin-57(57,20):
Deprecation: integral promotion not done for -_param_1[pos], use
'-transition=intpromote' switch or
Hi,
I'm new to D so can someone explain to me what is happening here?
void func(const char* s, char** e) {
import core.stdc.stdlib;
auto result = strtod(s, e);
}
Error: function core.stdc.stdlib.strtod (scope inout(char)* nptr,
scope inout(char)** endptr) is not callable using argumen
On Friday, 23 February 2018 at 01:54:07 UTC, Leonardo wrote:
Hi, I'm new to language and games.
Many people say that GC is bad and can slow down your project
in some moments.
What can happen if I create a game using D without worrying
with memory management?
(using full GC)
Have a look at ht
Hi All,
What's the best way to do this in D?
E.g.
---
struct O
{
int* value;
@disable this(this);
/+
this()
{
this.value = theAllocator.make!int(99);
}
+/
~this()
{
theAllocator.dispose(this.value);
}
}
O obj = O(); // Ideally this would be allocated but it simply run
On Tuesday, 27 March 2018 at 02:43:15 UTC, Adam D. Ruppe wrote:
On Tuesday, 27 March 2018 at 02:35:23 UTC, Norm wrote:
What's the best way to do this in D?
I'd also add `@disable this();` and then a `static O make() {
return O(theAllocator.make!int(99)); }`
than you construct it with that s
On Tuesday, 27 March 2018 at 02:43:15 UTC, Adam D. Ruppe wrote:
On Tuesday, 27 March 2018 at 02:35:23 UTC, Norm wrote:
What's the best way to do this in D?
I'd also add `@disable this();` and then a `static O make() {
return O(theAllocator.make!int(99)); }`
than you construct it with that s
On Thursday, 29 March 2018 at 04:16:55 UTC, Adam D. Ruppe wrote:
On Thursday, 29 March 2018 at 04:12:38 UTC, Norm wrote:
Is there a way to do this in D, or does it require special
"create" functions for every struct that has a RAII-like
struct as a member?
You'll have to do it all the way up
On Sunday, 1 April 2018 at 15:54:16 UTC, Steven Schveighoffer
wrote:
I currently have a situation where I want to have a function
that accepts a parameter optionally.
I thought maybe Nullable!int might work:
void foo(Nullable!int) {}
void main()
{
foo(1); // error
int x;
foo(x); // e
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