On Sunday, 10 March 2019 at 14:25:56 UTC, spir wrote:
There is a typo in this instruction:
T* ptr = this.list.getFisrtFreeOrAdd(memViewLen).getPtr!T();
^^
rs
(may this explain your null? the compiler should complain)
diniz
Good catch! But I
On Saturday, 9 March 2019 at 21:00:51 UTC, Ali Çehreli wrote:
I haven't run the code but which pointer is null? Try adding
I mean `this` by "this" word. You can see that `this` is null if
you run gdb and before that line make `p/x this` [0]
this check as well:
auto node =
On Saturday, 9 March 2019 at 20:04:53 UTC, Paul Backus wrote:
struct S
{
bool isThisNull() { return is null; }
}
void main()
{
import.std.stdio;
S* p = null;
writeln((*p).isThisNull); // true
}
Interactive version: https://run.dlang.io/is/fgT2rS
Anyway, thank you! I didn't
On Saturday, 9 March 2019 at 20:04:53 UTC, Paul Backus wrote:
You can end up with a null `this` reference if you dereference
a null pointer to a struct and then call a method on the
result. For example:
I can but my reference is not null before calling. Take a look at
the line of code
Hello everyone! I've encountered the problem which I already
encountered before. Unfortunately, I had no time in the previous
time to report and to talk about it. So I decided to play making
my own "malloc" function in pure D (betterC) at this time. And I
encountered the issue one more time.
Hello! I need to make a some sort of error report system for an
application. I want to catch base Exception class instance and
report call stack and with the call stack I want to report all
variables with their values. There are a couple of services that
make report using call stack and
On Tuesday, 24 July 2018 at 09:20:22 UTC, Mike Parker wrote:
On Tuesday, 24 July 2018 at 08:09:33 UTC, ANtlord wrote:
Anyway, if you are using OPTLINK or the MS Linker, try a test
program without gtkD to make sure it works standalone for you.
```
import core.sys.windows.windows;
void main()
Hello! I'm trying run my GUI application getting a console
hidden. The application is on top of GTKD, compiled with dmd
2.081.1 in Windows 7 x64. I read a few threads on the forum and
StackOverflow and I got that I need to add a module definition
file [1] or to add -L/SUBSYSTEM:WINDOWS
Hello!
Has somebody ever encountered continually triggering of key
released event while the key is pressed with GTKD? I have the
same issue for key pressed event but it's not so critical for me.
The problem is occurred for all key keys except a key-modifier
like alt, ctrl and shift. Also, it
On Sunday, 24 June 2018 at 01:54:52 UTC, Nicholas Wilson wrote:
On Sunday, 24 June 2018 at 01:43:41 UTC, ANtlord wrote:
On Sunday, 24 June 2018 at 01:26:48 UTC, ANtlord wrote:
Actually I get it worked replacing `string filepath2` by
`char[] filepath2` but filepath is string still and it
On Sunday, 24 June 2018 at 01:26:48 UTC, ANtlord wrote:
Actually I get it worked replacing `string filepath2` by
`char[] filepath2` but filepath is string still and it works
correctly.
It doesn't work
Hello D community!
I'm developing an application that must work on audio especially
playback Ogg files. So I took library DerelictVorbis [0] testing
basic functions like `ov_fopen`. The tests were successful so I
decided to implement core components of the application using D
and Derelict
On Monday, 21 May 2018 at 18:53:19 UTC, Jonathan M Davis wrote:
On Monday, May 21, 2018 14:00:55 ANtlord via
Digitalmars-d-learn wrote:
If someone wrote an good DIP on the subject, I expect that
things could be accelerated, but it's not much a real paint
point in practice, and the chances
On Monday, 21 May 2018 at 11:38:12 UTC, SrMordred wrote:
After all this time I saw this:
writeln = iota = 5;
what??
I never saw that before!
This is interesting, there is something useful that i can do
with this kind of call?
What the hell is this? I don't figure out why are there so many
Hello! I implement a GTK-D based application for Windows and
Linux. In case of Linux there isn't any problem, I use binding[1]
for libkeybinder. In case of Windows I can't find convinient way
to implement global shortcuts. There is a way to get it done is
use of WinAPI but it's not convinient
Hello! I work using Linux.
Is it possible to use environment variables like $HOME in option
importPaths of Dub project file? I tried it but dub concatenates
the path and current path so I get something like this
/develop/project/$HOME/.dub/packages/gtk-d/generated/gtkd or
On Friday, 23 March 2018 at 01:18:02 UTC, Mike Parker wrote:
On Thursday, 22 March 2018 at 20:51:36 UTC, ANtlord wrote:
Thanks in advance. Please feel free to ask any question
Your errors with the derelict libs are linker errors, with the
early ones being this one:
"warning LNK4003:
Hello! First of all I don't know what my problem is but please
don't close the thread and give me a chance.
I have been working on DMD under Linux since I met D. Short time
ago I got a reason to make an application for Windows. I took
DerelictAL[1], DerelictOgg[2] and DerelictVorbis[3]
Hello!
Yesterday I found an interesting issue for myself while I was
implementing unique pointer for my project in BetterC. When I was
trying to return new instance from a `move` method I got calling
of destructor the instance. When the instance is out of scope the
calling is happens again. I
Hello! I can't get how to use double linked list in concurrency.
Please help.
Providing code
import std.stdio;
import std.container;
synchronized class SocksQueue {
private shared(DList!string) _queue;
public void f(string data) {
this._queue.insertFront(data);
}
}
void
Hello dear community!
I've met a little issue. How can I generate struct or class
copying some fields and methods from another struct or class?
I've found methods to get fields. They are
std.traits.FieldNameTuple and std.traits.FieldTypeTuple but I
can't find a method allows getting methods
On Sunday, 6 August 2017 at 15:47:43 UTC, Moritz Maxeiner wrote:
If you use this option, do be aware that this feature has been
> scheduled for future deprecation [1].
It's likely going to continue working for quite a while
(years), though.
[1]
On Friday, 14 July 2017 at 20:22:21 UTC, Ali Çehreli wrote:
On 07/14/2017 12:36 PM, ANtlord wrote:
All you need is to catch Exception there as well:
catch(Exception) {
assert(false, "throwable_fn threw something
unexpected");
}
Ali
Thank you, Ali! You answer for my
Hello! I've tried to use nothrow keyword and I couldn't get a
state of function satisfied the keyword. I have one more method
that can throw an exception; it is called inside nothrow method.
Every type of an exception from the throwable method is handled
by the nothow method.
ubyte
On Saturday, 17 June 2017 at 17:15:50 UTC, Adam D. Ruppe wrote:
On Saturday, 17 June 2017 at 14:19:34 UTC, ANtlord wrote:
Excuse me, I can't get what does it mean "deepest-referenced".
What the deep you mean? The deep of a closure or deep of the
function where the variable is defined. Can you
On Saturday, 17 June 2017 at 13:13:17 UTC, Adam D. Ruppe wrote:
On Saturday, 17 June 2017 at 13:03:28 UTC, ANtlord wrote:
Is GC called every iteration of this loop?
No, it will once on scope entry; where the deepest-referenced
variable that is actually captured is defined. The compiler
Hello! I can't understand one thing related to closures and
calling of GC. I have the following demo snippet, where a closure
is passed to `receive` function in a loop.
bool isDone = false;
while(!isDone)
receive((bool val){ isDone = val });
Is GC called every iteration of this loop?
On Tuesday, 2 May 2017 at 16:34:15 UTC, H. S. Teoh wrote:
On Tue, May 02, 2017 at 02:37:20PM +, ANtlord via
Digitalmars-d-learn wrote:
On Tuesday, 2 May 2017 at 12:41:01 UTC, Jacob Carlborg wrote:
>
> Note that when declared as "enum", all places it's
> referenced, a ne
On Tuesday, 2 May 2017 at 14:37:20 UTC, ANtlord wrote:
On Tuesday, 2 May 2017 at 12:41:01 UTC, Jacob Carlborg wrote:
Note that when declared as "enum", all places it's referenced,
a new associative array will be allocated.
If it is allocated at all places I can move initialization to
On Tuesday, 2 May 2017 at 12:41:01 UTC, Jacob Carlborg wrote:
Note that when declared as "enum", all places it's referenced,
a new associative array will be allocated.
If it is allocated at all places I can move initialization to
module ctor as says evilrat but how can I make an immutable
On Tuesday, 2 May 2017 at 08:24:09 UTC, evilrat wrote:
Making enum means that value should be available at compile
time and AA's are fully dynamic. But if my memory serves me
well, you can declare empty AA and delay initialization. So the
closest solution is to move initialization of AA to
On Tuesday, 2 May 2017 at 07:48:35 UTC, ANtlord wrote:
Hello! Is it possible to define associative array on top level
of module?
I try to compile this code and I get message `Error:
non-constant expression ["s":"q", "ss":"qq"]`
import std.stdio;
auto dict = [
"s": "q",
"ss":
On Tuesday, 2 May 2017 at 07:48:35 UTC, ANtlord wrote:
Hello! Is it possible to define associative array on top level
of module?
I try to compile this code and I get message `Error:
non-constant expression ["s":"q", "ss":"qq"]`
import std.stdio;
auto dict = [
"s": "q",
"ss":
Hello! Is it possible to define associative array on top level of
module?
I try to compile this code and I get message `Error: non-constant
expression ["s":"q", "ss":"qq"]`
import std.stdio;
auto dict = [
"s": "q",
"ss": "qq"
];
void main()
{
writeln(val);
}
I solved
On Friday, 28 April 2017 at 05:21:26 UTC, ag0aep6g wrote:
Instead of removing `in`/`const` from the ref overload, you can
also add it to the non-ref overload. Again, the overloads will
have the same match level ("match with conversion to const"),
and the ref version will win.
It works. I
On Friday, 28 April 2017 at 04:46:00 UTC, ANtlord wrote:
Does make sense for me because it is more obvious in client
code, but I want to understand reason of error pointed above.
Typo fix.
It makes sense for me*
Hello! Short time ago I've met strange thing at least for me. I
have a non-copyable structure and two methods for it with same
name. I mean that I use function overloading.
First method takes rvalue of this structure. Second method takes
constant lvalue structure. But when I try to use this
On Friday, 7 April 2017 at 07:46:40 UTC, Ali Çehreli wrote:
Here is a solution:
auto objectFactory(ObjectType, Args...)(Args args) {
import std.algorithm : cartesianProduct, map;
import std.array : array;
return cartesianProduct(args).map!(a =>
ObjectType(a.expand)).array;
}
On Friday, 7 April 2017 at 07:46:40 UTC, Ali Çehreli wrote:
Here is a solution:
auto objectFactory(ObjectType, Args...)(Args args) {
import std.algorithm : cartesianProduct, map;
import std.array : array;
return cartesianProduct(args).map!(a =>
ObjectType(a.expand)).array;
}
Hello! I've got an issue related to making a Tuple or AliasSeq
using income template arguments. I want to create template makes
an array of objects from array of arrays have different sizes and
different types of values.
I created temporary solution. It is a concatenation of strings
that
On Sunday, 2 April 2017 at 16:03:51 UTC, FreeSlave wrote:
Funny thing: If I replace interface with abstract class, it
works as it should.
Also I noticed that removing inheritance in library and in
application makes unexpected results. When I try to output field
`field` I get incorrect
On Sunday, 2 April 2017 at 09:58:19 UTC, ANtlord wrote:
On Saturday, 1 April 2017 at 16:39:28 UTC, FreeSlave wrote:
This page has many examples. Which exactly do you try to run
and how do you build it? Which compilers, OS?
My bad. I've tested example under caption Using C++ Classes
From D. I
On Saturday, 1 April 2017 at 16:39:28 UTC, FreeSlave wrote:
This page has many examples. Which exactly do you try to run
and how do you build it? Which compilers, OS?
My bad. I've tested example under caption Using C++ Classes From
D. I used several combinations of compilers, and no one works
Hello!
Can somebody give a relevant example shows how to use C++ classes
in D? I've used the exmaple from
https://dlang.org/spec/cpp_interface.html but I get a
segmentation fault as result of D application. My application
shows "Program exited with code -11"
Thanks.
On Wednesday, 22 March 2017 at 13:19:32 UTC, Nicholas Wilson
wrote:
On Wednesday, 22 March 2017 at 08:57:34 UTC, ANtlord wrote:
You still have the buffer (the class has to go somewhere!), but
it is implicit (you can't refer to it directly only through the
class reference) and so is the
On Wednesday, 22 March 2017 at 06:47:26 UTC, Ali Çehreli wrote:
On 03/21/2017 09:57 PM, ANtlord wrote:
> Thank you for clarification. But I have one more question. Do
I have to
> use destroy for deallocating object from stack?
Yes because what is going out of scope are two things:
- A buffer
-
On Tuesday, 21 March 2017 at 12:30:57 UTC, Stefan Koch wrote:
Try scope obj = new MyClass(flag ? 1 : 2);
In essence you should never need to delay construction.
Just construct the object as soon as you have everything to
construct it.
which includes conditions.
Yes I know it. I prepare all
On Tuesday, 21 March 2017 at 08:46:43 UTC, Ali Çehreli wrote:
Another option is std.conv.emplace:
import std.conv : emplace;
class MyClass {
this(int) @nogc {
}
~this() @nogc {
}
}
void method(bool flag) @nogc
{
void[__traits(classInstanceSize, MyClass)] buffer = void;
On Tuesday, 21 March 2017 at 08:12:36 UTC, rikki cattermole wrote:
You probably want[0] to allocate a class on the stack instead
of doing this.
[0] http://dlang.org/phobos/std_typecons.html#.scoped
If I will use it I won't use @nogc. Is the only one case?
Hello! I read documentation about memory management and can't
find description about delay allocation of instance. I have a
method marked by @nogc. This method takes boolean variable. If
this variable is true I want to construct object with one set of
parameters else I want to construct object
Hello! I've encroutered intresting tool of DMD. It is dump of AST
in JSON format (dmd -X main.d). But I it contains only
declaration of methods, templates and structs. It doesn't contain
statements like a variables or nested functions inside function's
body.
Is it possible to make dump with
On Monday, 17 October 2016 at 19:17:25 UTC, Basile B. wrote:
On Monday, 17 October 2016 at 19:14:49 UTC, ANtlord wrote:
redirect to ddemangle, that's its job.
Do you know the way how to redirect? I've tried as you have
written above and this makes impossible to type any command to
gdb.
On Monday, 17 October 2016 at 17:53:30 UTC, Basile B. wrote:
On Monday, 17 October 2016 at 17:46:05 UTC, Basile B. wrote:
On Monday, 17 October 2016 at 15:45:56 UTC, ANtlord wrote:
On Monday, 17 October 2016 at 15:43:32 UTC, ANtlord wrote:
[...]
Oh Sorry, I've forgotten about pointing
On Monday, 17 October 2016 at 17:57:19 UTC, Martin Krejcirik
wrote:
On Monday, 17 October 2016 at 15:45:56 UTC, ANtlord wrote:
GDB 7.7.1
Use latest GDB, 7.10 has got much better D support.
Tested on GDB 7.11.1. Same case :(
On Monday, 17 October 2016 at 15:43:32 UTC, ANtlord wrote:
Hello! I've met an issue related to debugging by GDB. Directly
when I try to show call stack I get like this
http://pastebin.com/kRFRqznq. How can I make name of methods
more human readable?
I see part of printed name matches to name
Hello! I've met an issue related to debugging by GDB. Directly
when I try to show call stack I get like this
http://pastebin.com/kRFRqznq. How can I make name of methods more
human readable?
I see part of printed name matches to name of methods from code
and I can suppose what method was
Hello everyone!
I want to contribute some project, but I have inconvenient things
related to debug. My high level of using GDB is show a variable
and get type of a variable. In C++ usually I use QtCreator and
debugging was pretty. In Python I have PDB, that can evaluate
code. In D I have
On Wednesday, 8 October 2014 at 20:15:33 UTC, Chris Williams
wrote:
On Wednesday, 8 October 2014 at 18:15:08 UTC, ANtlord wrote:
It would be stable? I mean program, that will use C++ extern
interface.
Trying to link to C++ code will cause some work to solve build
issues, but there shouldn't
On Monday, 6 October 2014 at 18:54:53 UTC, yawniek wrote:
On Monday, 6 October 2014 at 17:11:51 UTC, ANtlord wrote:
Good day! I recenlty have tried create typical project on
vibe.d. The web framework is not bad. And I can say, that it
is better that something another web frameworks. But I have
Good day! I recenlty have tried create typical project on vibe.d.
The web framework is not bad. And I can say, that it is better
that something another web frameworks. But I have met a problem.
I can't find search engine.
I use xapian always. It has API for several languages, but except
D. I
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