On Monday, 18 March 2024 at 10:05:43 UTC, novice2 wrote:
On Monday, 18 March 2024 at 08:50:42 UTC, rkompass wrote:
Or are the types T and S are put on the stack like ordinary
arguments and the usage of arg1 and arg2 within the function
is enveloped in switches that query these Types?
IMHO
On Monday, 18 March 2024 at 08:50:42 UTC, rkompass wrote:
Given the types S and T in say `templfunc(S, T)(S arg1, T arg2)
{}`
represent 2 different actual types in the program, does that
mean that there are 4 versions of the `templfunc` function
compiled in? (This was the C++ way iirc).
On Monday, 18 December 2023 at 03:39:16 UTC, Ki Rill wrote:
On Sunday, 17 December 2023 at 07:05:12 UTC, Adam D. Ruppe
wrote:
On Sunday, 17 December 2023 at 04:13:20 UTC, Ki Rill wrote:
[...]
check what `op` is. pretty sure it is "+" not "+=" so your
element isnt' saved anywhere. also a bit
may be std.string.representation() may help?
https://dlang.org/phobos/std_string.html#.representation
byteSize = representation(myString).length;
on windpows you can hide (move .obj away from sources dir) by add
to compile command
-od="%TEMP%\dmd\myproject"
On Sunday, 3 September 2023 at 13:55:45 UTC, Vino wrote:
f.open(fn, "rb");
here you command to your pc: "now open fn and treat is as binary
file"
```
import std;
auto arr = [dchar(' '), '\t', 0x0a, 0x10];
void main()
{
writeln("Hello D: ", typeid(arr));
}
```
On Thursday, 8 June 2023 at 05:29:07 UTC, Benny wrote:
Hello,
Hi!
I'm trying to call the function GetInterfaceInfo
it would be nice to see the code
didn't work.
it would be nice to see specifics (error code, results, etc)
On Thursday, 1 June 2023 at 15:05:40 UTC, Marcone wrote:
I linked msvcr120.lib, but the executable still ask for
msvcr120.dll not found.
i am sorry.
my words was sourced from common sence, usual practice.
it seems, msvcr120 is special case, and have only one version of
.lib - for link to
you cannot "static link dll", "d" in "dll" is "dynamic".
you can implicity or explicity load dll.
https://learn.microsoft.com/en-us/cpp/build/linking-an-executable-to-a-dll?view=msvc-170
may be you mean static link msvcr120.lib?
i am not windows guru, but you need msvcr120.lib (there is 2
On Monday, 27 March 2023 at 17:56:22 UTC, Alexander Zhirov wrote:
I get `objectGUID` data from LDAP as binary data. I need to
convert `ubyte[]` data into a readable `UUID`. As far as I
understand, it is possible to do this via `toHexString()`, but
I have reached a dead end. Is there a way to
On Sunday, 5 March 2023 at 18:35:58 UTC, Guillaume Piolat wrote:
"targetType": "dynamicLibrary",
"dflags-linux-dmd": ["-defaultlib=libphobos2.a"],
"dflags-osx-ldc": ["-static"],
"dflags-linux-ldc": ["-link-defaultlib-shared=false"],
"dflags-linux-x86_64-ldc":
It there any recipe to compile x64 .dll without dependencies?
I mean it shoud be used without installing things like
msvcr120.dll.
Dependencies on system dll (advapi32.dll, kerner32.dll) is ok.
I don't experiment on linux yet. But interest too.
try to rename function to distinguish from source module
On Friday, 30 December 2022 at 04:43:48 UTC, Salih Dincer wrote:
...
// example one:
char[] str1 = "cur:€_".dup;
...
// example two:
dchar[] str2 = cast(dchar[])"cur:€_"d;
...
SDB@79
why you use .dup it example one, but not use in example two?
dchar[] str2 =
to avoid special compile command just add one code line:
pragma(lib, "user32.lib");
On Tuesday, 8 November 2022 at 12:30:50 UTC, Alexander Zhirov
wrote:
A c;
this declaration not creates class instance. you should use "new".
btw, struct have other behavoiur
leyts try very rough simlified concept:
template itself - is compile-time program (parameterizable), it
can generate some code for you.
template instantiation (like "calling") with "!" - instruct
compiler to "start this compile-time program here with this
parameters".
imho, regexp is overkill here.
as for me, i usually just split line for first '=', then trim
spaces left and right parts.
On Thursday, 10 February 2022 at 12:08:07 UTC, tastyminerals
wrote:
I meant a different thing though. I am looking for
`mydic.update(another_dic)` analogue where `{"a": 1, "b": 2}`
update `{"c": 3, "a": -1}` becomes `{"a":-1, "b": 2, "c": 3}`.
you need "merge"?
On Wednesday, 27 October 2021 at 08:14:29 UTC, Kagamin wrote:
...
Then the logger can inspect symbols in the template argument
and compare their names to the function name.
Aha, thank you, i will try!
On Tuesday, 26 October 2021 at 15:53:54 UTC, Steven Schveighoffer
wrote:
mixin("debug(" ~ func ~ ") doRealThing();");
Thank you, Steven.
Unfortunately, all variants with global "-debug" in command line
is unhandy.
It leads to ugly, very big command line :(
Note that setting debug versions
On Tuesday, 26 October 2021 at 09:44:42 UTC, Kagamin wrote:
`debug(func1)writefln(...)`
But specify a global debug version for the compiler:
`dmd -debug=func1 app.d`
i want to eliminate "debug(func1)"
i want to be able on/off debugging for one function or another,
and logf() template should
Thanks Kagamin!
One more way, i think,
mark function with UDA,
and then analize UDA in template.
But i have problem to implement this:
i have function name __FUNCTION__ in template as sting,
but __traits(getAttributes, __FUNCTION__) want symbol,
not string as second parameter :(
On Monday, 9 August 2021 at 19:53:48 UTC, Marcone wrote:
program not run.
compilation errors?
runtime errors?
format!"fmt"() and writef!"fmt"() templates
with compile-time checked format string
not accept %X for pointers,
but format() and writef() accept it
https://run.dlang.io/is/aQ05Ux
```
void main() {
import std.stdio: writefln;
int x;
writefln("%X", ); //ok
writefln!"%s"(); //ok
On Saturday, 1 May 2021 at 16:21:33 UTC, Anonymouse wrote:
https://run.dlang.io/is/QsYCkq
http://ddili.org/ders/d.en/templates.html).
thanks for your time!
Hello.
Can please anybody help me create template format2 like
std.format.format,
so it can access to format string (change it for example)
then instantiate std.format.format template in
compile-time-checkable way
format!"%d %s"(arg1, arg2)
so compiler can check format string vs arguments
btw for my immediate needs i replace second delegate with value
i.e. remove "lazy" from declaration and remove "()" in return
so ifThrown loose some generity
```d
nothrow
CommonType!(T1, T2) ifThrown(E : Throwable = Exception, T1, T2)
(lazy scope T1 expression, scope
Thank you Imperatron, Ali
both variants
```d
scope(failure) assert(0);
```
```d
collectException
```
works!
Thank Meta
The reason for this, apparently, is in the definition of
`ifThrown`
i tried to modify ifThrown adding nothrow,
but compiler dont understand, that second parameter cant
Hello.
I need use std.format.format() in nothrow function.
format() can throw.
For this case i have special default string.
I don't want embrace format into try..catch block,
and i found elegant std.exception.ifThrown.
But DMD say "ifThrown not nothrow"
https://run.dlang.io/is/kXtt5q
```d
On Wednesday, 7 April 2021 at 13:43:18 UTC, Paul Backus wrote:
So, you should change your code to
writefln("%-(%s, %)", s);
sorry i dont read docs so carefully
thanks
thanks, i tried 2 variants:
```d
struct Tnew {TBase payload; alias payload this;}
```
```d
enum Tnew : Tbase {init = Tbase.init}
```
both works, but 1-st not allow "2 level" cast:
```d
struct Xptr {void* payload; alias payload this;} //Xptr based on
void*
struct Xobj {Xptr payload; alias
My tries to make template for struct and alias this:
// variant 1
template Typedef(alias Tnew, Tbase)
{
struct Tnew
{
Tbase payload;
alias payload this;
}
}
Typedef!(Xobj, void*);
void foo (Xobj obj) {} //compiler Error: no identifier for
declarator Typedef!(Xobj, void*)
On Tuesday, 30 March 2021 at 19:12:29 UTC, Ali Çehreli wrote:
"Derived type" is used in the context of object oriented
programming at least in D
Sorry, i use wrong termin.
I just want create new type Tnew, based on exist type Tbase.
Tnew have same allowed values, same properties, same allowed
On Tuesday, 30 March 2021 at 14:45:12 UTC, WebFreak001 wrote:
Xobj can then be used interchangeably with void*, so all void*
arguments accept Xobj and all Xobj arguments accept void*.
yes, i understand alias, and i dont want such behaviour
If you want a type-safe alias that makes all void*
On Tuesday, 30 March 2021 at 13:43:52 UTC, Mike Parker wrote:
the straightforward way is just to use an alias.
i cant use alias - compiler cannot distinguish base type and
alias, and cannot catch programmer errors
Buf if you need a more concrete type, you can use alias this in
a struct:
I
5. Open WinRAR support issue
6. Upload your .exe and say WinRar version then other peoples can
reproduce
Dear Marcone, that you want we all to do?
Rar detect sfx by small signature, and some bytes in exe looks
like signature.
But this is not the problem - just do not open your exe with rar.
Or i just don't understand...
Another options:
1. try to compile with anoter .res or/and another .ico (if
"doesn't work" isn't very helpful. Are you seeing compiler
errors? Linker errors? Runtime errors? Please describe your
problem.
Solved my problem alone : wrong signatures with functions ;)
and this reply isn't very helpful.
what is right signature?
you go to forum to ask help.
but wish you
On Friday, 17 April 2020 at 21:38:23 UTC, Quantium wrote:
Are there any libs which can be used to access cmd commands?
std.process
https://dlang.org/phobos/std_process.html#.execute
import std.conv: to;
string str = "test1";
wstring[] wstr = [to!wstring(str)];
On Wednesday, 5 February 2020 at 20:01:19 UTC, Marcone wrote:
Sorry! Solved. Just need add # in this line:
get_resource("#300", "BMP", "melancia.bmp");
the mistake, very imho, is not check windows API functions
results.
you can use wenforce:
On Monday, 19 October 2015 at 15:56:00 UTC, Namal wrote:
Is it possible to use foreach backwards?
yes
http://dlang.org/statement.html#ForeachStatement
http://dpaste.dzfl.pl/cf847a9e1595
what buffer you are talking.
internal buffer. where result line resides.
And what is "signal"? How it's working?
just the fact for programmer, that result line can be changed by
other code (by phobos library code in this case).
no any special programming "signal".
http://forum.dlang.org/thread/hrzfcjrltftgzansd...@forum.dlang.org
https://github.com/Trass3r/hooksample
I cannot get the longest possible
it match longest for first group ([a-z]+)
try
^([a-z]+?)(hula|ula)$
Thank you, Brian!
Hello.
Help me please to understand, how to show usage help to user, who
enter wrong options?
For example, user not provided required filename.
I want to show error message, and program usage help text.
But likely getopt don't provide help text until valid options
will be parsed.
Reduced
Thans guys!
wenforce not sutable - error code is lost.
may be, i will use modified wenforce, wich throws ErrnoException.
Ha, i found
std.windows.syserror: WindowsException, wenforce;
Could you, please, help me to understand, why code:
import std.c.windows.windows;
import std.exception: ErrnoException;
import std.stdio: writefln;
import std.string: toStringz;
void main ()
{
CreateFileA(toStringz(nonexisting file name), GENERIC_READ,
FILE_SHARE_READ, null,
sorry - i cant find where i can post this.
bugtracker have no dlang.org product.
when i click to left menu Standart Library - std - windows -
charset
then i have error The requested URL
/phobos/std_windows_charset.html was not found on this server.
what if a_college[i] will contain ` char?
almost SQL have prepare statement...
Thanx Daniel, thanx Ketmar.
I just thinked that this is some sort of bug.
May be DMD should not change mangled name of external function...
Bit i dont know.
On Monday, 3 November 2014 at 14:53:29 UTC, Ali Çehreli wrote:
It sounds possible but I don't understand it yet. Can you give
an example of the input and output to the D code?
Ali
Thank you Ali.
I realized, that my wishes look like serialization.
So i decide read and learn code from existent
Hello.
I need write some wrapper around legacy data structure.
May be it should be class. May be structure with methods.
The problem is writing repetitive code for underlying data.
For example:
- code to read length-byte-prefixed string to D string for every
field in every structure;
- code
I have 2 reduced files, wich i can't compile with new (DMD 2.066)
rdmd.exe under Windows 7 32-bit.
Command: rdmd --force --build-only aaa.d
Message Error 42: Symbol Undefined _D3etc3bbb3fooFZi
But command: dmd aaa.d etc\bbb.d
Compile without errors.
And then i replace rdmd.exe by old (from DMD
On Saturday, 23 August 2014 at 17:32:15 UTC, Vladimir Panteleev
wrote:
etc is a standard D package name reserved for Phobos, the
Thanks for explanation.
I not be able to undertsand the cause - weird error message.
Now i can easy fix my code.
BTW, did rdmd determine user code or standard
i guess, because of allocated on stack:
import std.stdio;
align(16) struct S
{
align(16) int a;
}
S sGlobal;
void main()
{
S sLocal;
writefln(0x%08X 0x%08X, cast(uint) sGlobal, cast(uint)
sLocal);
}
0x00162110 0x0012FE14
but, IMHO, this is not good
Big thank you. I hope, this changes will be included in phobos in
future.
How i can convert ubyte[] to BigInt and BigInt to ubyte[] ?
Or uint[]...
For example, i need RSA crypto. I should get ubyte[] data,
ubyte[] key, convert it to BigInt, calculate, then save result as
ubyte[] data again.
But i see BigInt convertable to string only :(
Thanx Maxim,
but what about
S2.sizeof (should be 6) = 8
S3.sizeof (should be 6) = 8
Thanx again.
Code align(1) struct ... { align(1): ... }
rescue me and return pre 2.060 behaviour
and contain additional 2 trailing bytes
But, imho, this is unproperly to include something outside
struct in its size.
Some of my code broken in DMD 2.060.
I need packed struct without align to process data.
Is this bug or something changed in 2.060 ?
Code http://dpaste.dzfl.pl/212ca53b :
import std.stdio;
align(1) struct S1
{
char[2] c; //+0
uint u; //+2
}
struct S2
{
align(1):
char[2] c;
btw GDC and LDC 2.060 produces same output as DMD 2.060 at
http://dpaste.dzfl.pl/
BTW, in docs about text:
http://dlang.org/phobos/std_conv.html#text
...Convenience functions for converting any number and types of
arguments into text (the three character widths)...
What is the three character widths note?
Who knows?
Ah, thanks!
On Friday, 27 July 2012 at 14:47:49 UTC, Adam D. Ruppe wrote:
On Friday, 27 July 2012 at 14:40:33 UTC, novice2 wrote:
What is the three character widths note?
Who knows?
string, wstring, and dstring. Width refers to the bit size
of the char (8 bit, 16 bit, or 32 bit).
Pelle Wrote:
On Wed, 27 Jul 2011 19:41:37 +0200, Dainius (GreatEmerald)
You could use a struct of function pointers to define the interface, if
This is known approach in app, using plugin. For example, then open source FAR
(File Archive Manager) exe load pluging dll, it fill strcuct with
Dainius (GreatEmerald) Wrote:
No no. It's the other way round. Shuffle() is in the library
(backend). PlaySound() is in the executable (frontend). Since I don't
want the library to be dependent on any sound libraries, I can't have
would you pass playSound() as parameter (callback) to
Jonathan M Davis, thank you for explanation,
but i am on windows :(
Is it possible for D language to link with C static library under win32
platform?
yes, imho, it is possible. i successfully tried such thing with dev-cpp + gcc +
coff2omf.
btw, coff2omf.exe says:
COFF to OMF Object Module Conversion Utility, Version 1.00.195
Copyright (C) 1994 by Walter
thank you Ali and bearophile!
I want to use Phobos
std.process.execv(in string pathname, in immutable(char)[][] argv)
to execute external programm with some parameter. But i found, that can't pass
parameter properly - they not passed.
Here very short example - caller.exe shoud call called.exe with parameters:
/*** begin file
thank you, Lars T. Kyllingstad
i will try to post it as windows-specific bug
Jarrett Billingsley Wrote:
It's entirely possible to have two different C compilers
output different code for the same bitfield definitions. For that
Dut how is include files for interfacing is published officialy? For example
Sun Java SDK .h files have bitfields to interfacing with java VM
may be you can raplace string with char[] ?
Kagamin Wrote:
this is readonly string. You can make it by simply appending \0.
sorry, but i not understand, what you wan to say to me :(
if you want - just say.
my original post was:
thank you Sergey
but sometime wchar* is zero-terminated strings (LPWSTR)
i feel lack of toStringz(wchar[])
Kagamin Wrote:
novice2 Wrote:
but sometime wchar* is zero-terminated strings (LPWSTR)
when?
everytime, when you see function with LPWSTR without size passing
for example:
SHGetFolderPathW(HWND hwnd, int csidl, HANDLE hToken, DWORD dwFlags, LPWSTR
pszPath);
GetShortPathNameW
thank you, Denis
homeDrive = toString(getenv(HOMEDRIVE)).dup;
homePath = toString(getenv(HOMEPATH)).dup;
don't forget, that D char[] is utf8 and windows char* is 8-bit chars, not utf8.
so you should import std.windows.charset and use toMBSz() as D-WindowsAPI and
fromMBSz as WindowsAPI-D string
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