On Monday, 21 January 2019 at 11:16:31 UTC, Per Nordlöw wrote:
Correction should be
dub build --build=unittest
or
dub build --build=debug
followed by
gdb PATH_TO_APP_BINARY
Does using an IDE count? Some D IDEs should be able to assist in
debugging.
On Tuesday, 15 January 2019 at 11:14:54 UTC, John Burton wrote:
auto window = Window();
window.title = "My Window";
window.width = 1000;
window.create();
You can slightly modify it to the way APIs like DirectX or Vulkan
do it.
auto windowinfo = WindowInfo();
windowinfo.title = "My Window";
On Friday, 11 January 2019 at 11:15:05 UTC, Mike James wrote:
Check out the origin :-)
https://forum.dlang.org/thread/hl8345$2b1q$1...@digitalmars.com?page=1
I guess something like iterReverse, reverseIter, backIterator
would be too simple...
On Friday, 11 January 2019 at 08:15:01 UTC, rikki cattermole
wrote:
Note the immutable, it means you cannot modify individual
values. Which is a problem for reverse because it modifies in
place.
The error message is kind of unfortunate. This is a simple
usecase and the error message is unde
On Monday, 17 December 2018 at 22:22:05 UTC, H. S. Teoh wrote:
A less likely possibility might be an optimizer bug -- do you
get different results if you add / remove '-O' (and/or
'-inline') from your dmd command-line? If some combination of
-O and -inline (or their removal thereof) "fixes" th
Hey guys,
while working on my game engine project, I encountered a DMD
codegen bug. It occurs only when compiling in release mode, debug
works. Unfortunately I am unable to minimize the code, since it's
quite a bit of code, and changing the code changes the bug
occurrence. Basically my faulty
On Saturday, 15 December 2018 at 20:54:03 UTC, JN wrote:
Bump. Encountering the same issue. Just reinstalled Windows and
having the same error on
DMD32 D Compiler v2.083.1 .
OK, fixed it. Since it's the first hit from Google, here's a
solution:
https://www.reddit.com/r/roguelikedev/commen
On Wednesday, 7 November 2018 at 14:43:07 UTC, Chris M. wrote:
On Wednesday, 7 November 2018 at 01:37:29 UTC, Chris M. wrote:
On Tuesday, 29 May 2018 at 07:47:07 UTC, Begah wrote:
[...]
This works fine on my home Win10 machine, dmd 2.082/2.083 +
dub 1.11.0, installed using the executable fro
On Friday, 7 December 2018 at 01:21:42 UTC, Ali Çehreli wrote:
There is no trace of the template in the library or the object
file. You can investigate the compiled symbols with e.g. the
'nm' tool on Linux systems:
// deneme.d:
void foo(T)(T t) {
import std.stdio;
writeln(t);
}
void
If templates are a compile-time feature and instances of
templates are generated by compiler at compile time, why is it
possible to compile a template definition with dmd -lib or -c?
On Wednesday, 5 December 2018 at 19:12:34 UTC, Nadir Chowdhury
wrote:
I'm fairly new to Dlang, but have learnt the basics. I wondered
how I would be able to make an OpenGL-based Engine in D, what
libraries would I need? Your help will be much appreciated!
- NCPlayz
I use Derelict's GLFW bind
On Saturday, 10 November 2018 at 15:05:38 UTC, helxi wrote:
Hi. I have not done any multi-threaded programming before. What
I basically want is to read into the output of a long
shellExecute function each second.
In details, I am calling shellExecute("pkexec dd
if=/path/to/file of=/dev/sdx st
I was looking over some Rust examples, and found something
interesting:
https://github.com/serde-rs/serde
let deserialized: Point =
serde_json::from_str(&serialized).unwrap();
from_str is defined as:
pub fn from_str<'a, T>(s: &'a str) -> Result
From what I understand, the function infers t
On Tuesday, 4 September 2018 at 19:23:16 UTC, SrMordred wrote:
Most C++ game related projects uses GLM as they default
math/vector lib (even if not using opengl).
In D we have (that I found):
gfm.math - https://github.com/d-gamedev-team/gfm
dlib.math - https://github.com/gecko0307/dlib
Gl3n
On Friday, 24 August 2018 at 17:36:25 UTC, Matthew OConnor wrote:
I'd like to run a sequence of executables with something like
std.process.execute, but I would like the sequence to error out
if one of the executables returns a non-zero return code. What
is the recommended way to do this? A wra
On Saturday, 25 August 2018 at 22:00:47 UTC, JN wrote:
It's kind of a dirty and not very portable solution, but if you
run by executeShell, you could so something like
executeShell("cmd1 && cmd2 && cmd3") and let the shell do the
sequence for you.
Oops, didn't notice it was suggested already.
On Saturday, 25 August 2018 at 13:33:58 UTC, SG wrote:
Hi,
1) I program in C# and I'm wondering if there is something like
?? (Null-Coalescing Operator) in D? (I remember some proposals
in the past).
2) Is possible to create Extensions like in C#?
For example:
public int StrToInt (this st
On Monday, 20 August 2018 at 17:52:17 UTC, QueenSvetlana wrote:
Great!
So I can't declare class level variables with auto, correct?
only local method variables?
You can, globals, class members:
class Foo
{
auto bar = "hi";
}
Foo.bar will be of string type here, because "hi" is a string.
On Monday, 20 August 2018 at 17:24:19 UTC, QueenSvetlana wrote:
I'm new to D programming, but have I have a background with
Python.
I'm struggling to understand what the auto keyword is for and
it's appropriate uses. From research, it seems to share the
same capabilities as the var keyword in
On Tuesday, 7 August 2018 at 19:58:40 UTC, Steven Schveighoffer
wrote:
On 8/7/18 3:18 PM, JN wrote:
[...]
But operator precedence says that this is really:
b = (a = (3 ? 4 : 5))
It's a different thing than the if statement. In the if
statement, it's the *assignment* that is now the conditio
int a, b;
if (a = 3) { } <- not allowed: Error: assignment cannot be used
as a condition, perhaps == was meant?
b = a = 3 ? 4 : 5 <- allowed
I believe the second case should be disallowed also. It seems
illogical, that the first one isn't allowed, but the second one
is, when the second
On Friday, 13 July 2018 at 19:03:32 UTC, Jacob Carlborg wrote:
On 2018-07-13 20:52, Jacob Carlborg wrote:
Orange master is working properly. The tests are run on each
push and PR with the latest DMD compiler.
I just added a cron job in Travis CI as well to make sure it
every month even thoug
On Friday, 13 July 2018 at 05:29:58 UTC, Timoses wrote:
On Thursday, 12 July 2018 at 20:44:43 UTC, JN wrote:
I am trying to make use of the Orange package, I added the
latest version from dub to my project: "orange": "~>1.0.0" and
copy pasted the "simple usage" code from
https://github.com/jac
I am trying to make use of the Orange package, I added the latest
version from dub to my project: "orange": "~>1.0.0" and copy
pasted the "simple usage" code from
https://github.com/jacob-carlborg/orange , but I am getting a
long list of errors:
..\..\AppData\Local\dub\packages\orange-1.0.0\o
Imagine I have a very short-lived class:
void print(File f)
{
PrinterManager pm = new PrinterManager();
pm.print(f);
}
My understanding is that PrinterManager will be GC allocated, and
when it goes out of scope, the GC will possibly clean it up at
some point in the future. But I know t
On Wednesday, 25 April 2018 at 19:19:58 UTC, BoQsc wrote:
So there has been idea I've got for around few months now:
making a software which executable would contain a source file.
A software that anyone could modify by opening an executable
and quickly change a few lines of it, rerun an executa
On Tuesday, 13 March 2018 at 02:06:57 UTC, psychoticRabbit wrote:
On Tuesday, 13 March 2018 at 01:39:13 UTC, Jonathan M Davis
wrote:
private is private to the module, not the class. There is no
way in D to restrict the rest of the module from accessing the
members of a class. This simplificat
On Sunday, 4 March 2018 at 21:12:44 UTC, arturg wrote:
you can pass it by alias:
import std.stdio;
void main(string[] args)
{
int x;
printName!(x);
}
void printName(alias var)()
{
writeln(__traits(identifier, var), " ", var);
}
Well, it works. But I am confused now, why. Isn't a
Imagine a function like this:
void printValue(T)(string name, T value)
{
writeln(name, " = ", value);
}
int x = 10;
printValue("x", x);
is it somehow possible to convert that printValue into a mixin or
something, so I could do something like:
printValue(x);
and it will figure out the "x"
https://run.dlang.io/gist/ec7008372d60ac52460dd58068f1ca6d?compiler=dmd
Why only listUDA2 works and listUDA doesn't? Why do I need to use
__traits(getMember again, if I use what I saved in a variable, it
doesn't work :(
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)
Most people who s
On Thursday, 22 February 2018 at 21:19:12 UTC, ketmar wrote:
yes. this is done so unqualified won't silently "steal" your
functions. this can cause some unexpected (and hard to find)
bugs.
if you want it to work, you can either do qualified import
import bar : foo;
or manuall bring
Is this expected behaviour?
bar.d
---
void foo(string s)
{
}
app.d
---
import std.stdio;
import bar;
void foo(int x)
{
}
void main()
{
foo("hi");
};
===
Error: function app.foo (int x) is not callable using argument
types (string)
On Saturday, 17 February 2018 at 16:12:48 UTC, thorstein wrote:
Hello,
This was my goal:
-
public double[][] skalar_m_2d(double[][] array, double skalar)
{
return array.map!(b => b[].map!(c => c * skalar));
}
!!! But: return value is not double!
Type check for return value:
-
On Friday, 9 February 2018 at 19:02:14 UTC, Benjamin Thaut wrote:
On Thursday, 8 February 2018 at 21:09:33 UTC, JN wrote:
Hi,
is there any way to debug binaries on Windows? I'd at least
like to know which line of code made it crash. If it's D code,
I get a call trace usually, but if it's a ca
Hi,
is there any way to debug binaries on Windows? I'd at least like
to know which line of code made it crash. If it's D code, I get a
call trace usually, but if it's a call to a C library, I get a
crash and that's it. I am using VSCode and I'd prefer to debug in
it if possible, but using oth
On Thursday, 25 January 2018 at 19:49:05 UTC, JN wrote:
if (!hasUDA!(member, "noserialize"))
Nevermind, I get it now, member is only the field name, not a
'reference', changed it to:
if (!hasUDA!(mixin(T.stringof ~ "." ~ member), "noserialize"))
and works now
I decided it's time to learn how std traits work. I still find
the whole compile time business a bit weird to deal with, so I
decided to write a simple JSON serializer for struct that loops
over member fields and outputs them.
import std.stdio;
import std.json;
import std.traits;
struct TestS
On Thursday, 13 July 2017 at 18:09:46 UTC, H. S. Teoh wrote:
It's not quite so simple. Consider for example:
struct Foo { int bar; }
struct Oof { int bar; }
void process(Foo foo) { }
void process(Oof oof) { formatDisk(); }
void main() {
I know that's a wrong syntax, I was just showing an example.
Yes, here it will work, but if you want to initialize only some
fields (poor man's keyword arguments), you can't use the default
constructor.
Consider:
struct Foo
{
int bar;
}
void processFoo(Foo foo)
{
}
void main()
{
Foo f = {bar: 5};
processFoo(f);// ok
processFoo(Foo(5)); // ok
processFoo({bar: 5}); // fail
processFoo(Foo({bar: 5}));// fail
}
One of my favourite language features of Dart (other one being
factory constructors) are auto-assign constructors, for example
(writing it in pseudo-D):
class Person
{
string name;
int age;
this(this.age, this.name);
}
would translate to
class Person
{
string name;
int age;
this(i
I'm looking at the example code for core.thread Thread class:
new Thread({
// Codes to run in the newly created thread.
}).start();
let's imagine I put the code in a function:
void loadFileAsync(string path)
{
new Thread({
writeln(readText(path));// imagine the file is
On Tuesday, 27 September 2016 at 11:16:00 UTC, Russel Winder
wrote:
On Tue, 2016-09-27 at 10:16 +, JN via Digitalmars-d-learn
wrote:
On Tuesday, 27 September 2016 at 09:23:35 UTC, Russel Winder
wrote:
>
> Why not just create a binding to 0MQ and get much, much more
> than
On Tuesday, 27 September 2016 at 09:23:35 UTC, Russel Winder
wrote:
Why not just create a binding to 0MQ and get much, much more
than asked for?
http://code.dlang.org/packages/zmqd
http://code.dlang.org/packages/zeromq
http://code.dlang.org/packages/dzmq
or use existing ones :)
On Wednesday, 12 August 2015 at 05:58:23 UTC, BBasile wrote:
On Wednesday, 12 August 2015 at 05:46:27 UTC, Mike Parker wrote:
On Wednesday, 12 August 2015 at 05:34:22 UTC, BBasile wrote:
[...]
It seems to me that your driver is doing things it isn't
actually supposed to do. This code is bin
On Wednesday, 12 August 2015 at 03:32:47 UTC, DarthCthulhu wrote:
So I decided to try some OGL3 stuff in D utilizing the Derelict
bindings and SDL. Creating an SDL-OGL window worked fine, but
I'm having trouble with doing the most basic thing of rendering
a triangle. I get the window just fine
I know this is probably a theoretical exercise, but easier way
might be to execute "tasklist" and just grep the output.
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