The easiest way is probably casting:
```
import std.traits;
import std.bitmanip;
class Test {
byte[4] marray;
byte mbyte;
}
void main() {
auto value = [0x12, 0x23, 0x34, 0x45, 0x56];
auto test = cast(Test*) value.ptr;
}
```
On Monday, 22 May 2017 at 18:48:44 UTC, Adam D. Ruppe wrote:
On Monday, 22 May 2017 at 18:44:10 UTC, Andrew Edwards wrote:
Both happen to be the exact same. So does mean that for every
function pointer in the file, I need to duplicate as such?
You can use `extern(System)` or that case in D.
I
On Wednesday, 11 January 2017 at 17:32:35 UTC, Era Scarecrow
wrote:
Still I think I'll impliment my own version and then if it's
faster I'll submit it.
Decided I'd give my hand at writing a 'ScaledInt' which is
intended to basically allow any larger unsigned type. Coming
across some assembl
On Sunday, 21 May 2017 at 10:03:58 UTC, Nicholas Wilson wrote:
As in the function signature of the function you call `ok` or
`error` in.
Result!(int, SomeEnum) myfunc(bool foo)
{
if(!foo)
return ok(42);
else
return error(SomeEnum.fooHappened);
}
should work.
This is w
On Monday, 22 May 2017 at 18:51:43 UTC, ParticlePeter wrote:
On Monday, 22 May 2017 at 14:01:56 UTC, Jerry wrote:
IIRC the problem is that it isn't a POD type. ImVec2 has its
own default constructor. The problem now is that because it no
longer is POD, Window's ABI handles it different and doe
On Monday, 22 May 2017 at 21:03:42 UTC, Bastiaan Veelo wrote:
Is there a way to detect at CT that S has overlapping data
members, when an anonimous union is used as above?
I have an implementation here:
https://github.com/CyberShadow/rclidasm/blob/31bde3347ec1259026b6ab15e2305f2a99e63a30/src/r
On Monday, 22 May 2017 at 18:44:10 UTC, Andrew Edwards wrote:
There isn't any Windows specific section. Every function
pointer in the library is decorated in one of the following two
forms
void (APIENTRY *NAME)(PARAMS)
or
void (APIENTRYP NAME)(PARAMS)
Sorry, I worded that poorly.
On Monday, 22 May 2017 at 21:44:17 UTC, ag0aep6g wrote:
On 05/22/2017 11:04 AM, Alex wrote:
[...]
Not only is a template not an lvalue, it's not any kind of
value at all. It doesn't have a type. You can't have a variable
holding a template. You can't pass it as an argument.
But a template
On Monday, 22 May 2017 at 21:03:42 UTC, Bastiaan Veelo wrote:
`
void main()
{
import std.stdio;
struct S
{
int i;
union
{
int a;
double b;
}
}
S
On 05/22/2017 11:04 AM, Alex wrote:
3. Now the hard stuff comes. I want to templatize my delegate.
struct A(alias dg)
{
auto fun(T, U...)(T t, U u)
{
return dg!(T, U)(t, u);
}
}
struct C
{
A!dlgptr a;
/* static? */ template dlgptr(T, U...)
{
/* st
On 05/22/2017 10:13 PM, Enjoys Math wrote:
immutable struct String(T) {
Marking a whole struct as `immutable` is usually a mistake. It applies
to all methods, making them unusable on mutable and const instances.
public:
this(immutable T[] s) {
This means you can create `String`s only
On Monday, 22 May 2017 at 20:38:27 UTC, Dukc wrote:
On Monday, 22 May 2017 at 09:04:15 UTC, Alex wrote:
2. Now, I want to store the delegate in another struct. If I
want to do this, I have to define the pointer as static. This
is not intended at the beginning, but it's ok, as I know, that
the
`
void main()
{
import std.stdio;
struct S
{
int i;
union
{
int a;
double b;
}
}
S s;
writeln(s); // S(10, #{overlap a, b
On Monday, 22 May 2017 at 09:04:15 UTC, Alex wrote:
2. Now, I want to store the delegate in another struct. If I
want to do this, I have to define the pointer as static. This
is not intended at the beginning, but it's ok, as I know, that
the delegate would be the same across all instances of B.
D'oh!
Thanks Adam and Ali :)
On 05/22/2017 01:26 PM, colin wrote:
Am I doing something wrong here?
real.max evaluates to: 1.18973e+4932
So, I'd expect to be able to store any value up to that... however
```
void main()
{
writeln("Real max: ", real.max);
foreach(i; 0..10){
writefln!("1024 ^^ %s = %s")(i, rea
On Monday, 22 May 2017 at 20:26:27 UTC, colin wrote:
writefln!("1024 ^^ %s = %s")(i, real(1024 ^^ i));
You convert to real AFTER doing the exponent on an integer.
change `real(1024 ^^ i)` to `real(1024) ^^ i` and you should get
a different result.
Am I doing something wrong here?
real.max evaluates to: 1.18973e+4932
So, I'd expect to be able to store any value up to that... however
```
void main()
{
writeln("Real max: ", real.max);
foreach(i; 0..10){
writefln!("1024 ^^ %s = %s")(i, real(1024 ^^ i));
}
}
```
Output:
``
On Monday, 22 May 2017 at 20:12:56 UTC, Enjoys Math wrote:
I had to employ const / immutable to some things to get passed
some compiler errors. Then the poisoning continues.
How do I get this code to run?
String's will hold a T[] which actually will not be modified by
the String methods ("im
On Monday, 22 May 2017 at 20:12:56 UTC, Enjoys Math wrote:
I had to employ const / immutable to some things to get passed
some compiler errors. Then the poisoning continues.
How do I get this code to run?
String's will hold a T[] which actually will not be modified by
the String methods ("im
I had to employ const / immutable to some things to get passed
some compiler errors. Then the poisoning continues.
How do I get this code to run?
String's will hold a T[] which actually will not be modified by
the String methods ("immutable strings of T").
I did not want to use any immutabl
Changing @safe to @system worked. IDK, but w/e! ;-)
module smallest_grammar;
import std.conv;
import std.algorithm;
struct Symbol(T) {
public:
this(T sym, bool isVar) {
this.sym = sym;
this.is_var = isVar;
}
@property T symbol() { return sym; }
@property bool isVar() { return is_var
On Monday, 22 May 2017 at 14:01:56 UTC, Jerry wrote:
IIRC the problem is that it isn't a POD type. ImVec2 has its
own default constructor. The problem now is that because it no
longer is POD, Window's ABI handles it different and doesn't
put the value in a register. Now with D is that you aren
On Monday, 22 May 2017 at 18:44:10 UTC, Andrew Edwards wrote:
Both happen to be the exact same. So does mean that for every
function pointer in the file, I need to duplicate as such?
You can use `extern(System)` or that case in D.
It will be extern(Windows) on win an extern(C) elsewhere - just
On Monday, 22 May 2017 at 16:56:10 UTC, Mike Parker wrote:
On Monday, 22 May 2017 at 16:37:51 UTC, Andrew Edwards wrote:
Specific context at the following links:
https://github.com/glfw/glfw/blob/66ff4aae89572419bb130c5613798e34d7521fc7/deps/glad/glad.h#L24-L48
Generally, any functions in
On Monday, 22 May 2017 at 13:03:17 UTC, evilrat wrote:
On Monday, 22 May 2017 at 11:25:31 UTC, ParticlePeter wrote:
Then I am not getting your hack, this function here, does not
exist on the C++ side.
HACK ---
// extern(C++) of course
void GetCursorPos(ImVec2* v);
Ho
On Monday, 22 May 2017 at 14:11:35 UTC, Jerry wrote:
are you aware of https://github.com/Extrawurst/DerelictImgui ?
Not everyone likes the set of 'derelict' libraries. Especially
if you need to statically link to a library.
Some of the Derelict packages in the DerelictOrg repo (the SDL2,
G
On Monday, 22 May 2017 at 16:37:51 UTC, Andrew Edwards wrote:
Specific context at the following links:
https://github.com/glfw/glfw/blob/66ff4aae89572419bb130c5613798e34d7521fc7/deps/glad/glad.h#L24-L48
APIENTRY is typically defined in Windows headers to set the
stdcall calling convention
On Monday, 22 May 2017 at 13:52:35 UTC, Dukc wrote:
On Monday, 22 May 2017 at 13:11:15 UTC, Andrew Edwards wrote:
Sorry if this is a stupid question but it eludes me. In the
following, what is THING? What is SOME_THING?
[...]
I assume you know that the above part is c/c++ preprocessor,
which
On Monday, 22 May 2017 at 13:15:31 UTC, Adam D. Ruppe wrote:
On Monday, 22 May 2017 at 13:11:15 UTC, Andrew Edwards wrote:
#ifndef THING
#define THING
#endif
This kind of thing is most commonly used in include guards
https://en.wikipedia.org/wiki/Include_guard#Use_of_.23include_gu
On Monday, 22 May 2017 at 13:18:51 UTC, Eugene Wissner wrote:
On Monday, 22 May 2017 at 13:11:15 UTC, Andrew Edwards wrote:
Sorry if this is a stupid question but it eludes me. In the
following, what is THING? What is SOME_THING?
#ifndef THING
#define THING
#endif
#ifndef SOME
On Monday, 22 May 2017 at 06:44:27 UTC, Rainer Schuetze wrote:
On 22.05.2017 03:54, Enjoys Math wrote:
[...]
C:\Users\Gabe\AppData\Roaming\dub\packages\pyd-0.9.9\pyd\\infrastructure\windows\python27_digitalmars.lib+
user32.lib+
kernel32.lib/NOMAP/CO/NOI/DELEXE
LINK : fatal error LNK1181: cann
On Mon, 2017-05-22 at 14:14 +, biocyberman via Digitalmars-d-learn
wrote:
> Which one do you use? I am using Linux and Emacs for editing
> other D source file. But the DDOC syntaxes and keywords are not
> well high-lighted.
There has been no work on handling DDOC comments specially in the Em
Which one do you use? I am using Linux and Emacs for editing
other D source file. But the DDOC syntaxes and keywords are not
well high-lighted.
On Sunday, 21 May 2017 at 19:58:32 UTC, Stefan Koch wrote:
On Sunday, 21 May 2017 at 19:33:06 UTC, ParticlePeter wrote:
I am statically linking to ImGui [1] on Win 10 x64, quite
successfully till this issue came up. The noticed error so far
comes when an ImGui function returns an ImVec2, a simp
On Monday, 22 May 2017 at 13:11:15 UTC, Andrew Edwards wrote:
Sorry if this is a stupid question but it eludes me. In the
following, what is THING? What is SOME_THING?
#ifndef THING
#define THING
#endif
#ifndef SOME_THING
#define SOME_THING THING *
#endif
Is this equiv
Note that you also probably need extern(C++) on the struct ImVec2.
https://github.com/ParticlePeter/imgui_lib/blob/master/source/imgui/types.d#L84
On Sunday, 21 May 2017 at 19:33:06 UTC, ParticlePeter wrote:
I am statically linking to ImGui [1] on Win 10 x64, quite
successfully till this issue came up. The noticed error so far
comes when an ImGui function returns an ImVec2, a simple POD
struct of two float members. I can use this struct a
On Monday, 22 May 2017 at 13:11:15 UTC, Andrew Edwards wrote:
Sorry if this is a stupid question but it eludes me. In the
following, what is THING? What is SOME_THING?
#ifndef THING
#define THING
#endif
#ifndef SOME_THING
#define SOME_THING THING *
#endif
Is this equiv
On Monday, 22 May 2017 at 13:11:15 UTC, Andrew Edwards wrote:
Sorry if this is a stupid question but it eludes me. In the
following, what is THING? What is SOME_THING?
#ifndef THING
#define THING
#endif
#ifndef SOME_THING
#define SOME_THING THING *
#endif
Is this equiv
On Monday, 22 May 2017 at 13:11:15 UTC, Andrew Edwards wrote:
#ifndef THING
#define THING
#endif
This kind of thing is most commonly used in include guards
https://en.wikipedia.org/wiki/Include_guard#Use_of_.23include_guards
You can usually just strip that out in D, since the modu
Sorry if this is a stupid question but it eludes me. In the
following, what is THING? What is SOME_THING?
#ifndef THING
#define THING
#endif
#ifndef SOME_THING
#define SOME_THING THING *
#endif
Is this equivalent to:
alias thing = void;
alias someThing = thing*
On Monday, 22 May 2017 at 11:25:31 UTC, ParticlePeter wrote:
Then I am not getting your hack, this function here, does not
exist on the C++ side.
HACK ---
// extern(C++) of course
void GetCursorPos(ImVec2* v);
How is it supposed to work then if there is no definition?
On Monday, 22 May 2017 at 08:25:45 UTC, evilrat wrote:
On Monday, 22 May 2017 at 08:03:07 UTC, ParticlePeter wrote:
No, no, this (other) way around :-), still C++ to D. It
actually works btw:
HACK ---
// original C++
ImVec2 GetCursorPos();
// C++ helper
void GetCurs
On Monday, 22 May 2017 at 10:35:36 UTC, ag0aep6g wrote:
On 05/22/2017 10:58 AM, biocyberman wrote:
[...]
For reference, here is the version of revComp3 I commented on:
string revComp3(string bps) {
const N = bps.length;
enum chars = [Repeat!('A'-'\0', '\0'), 'T',
On Saturday, 20 May 2017 at 10:22:14 UTC, Stanislav Blinov wrote:
On Saturday, 20 May 2017 at 08:02:26 UTC, lixiaozi wrote:
so, what should i do to disable inlining of ldc2 in release
build?
As Stefan mentioned, a test case would be nice. But have you
tried annotating the offending function
On Saturday, 20 May 2017 at 08:22:43 UTC, Stefan Koch wrote:
On Saturday, 20 May 2017 at 08:08:38 UTC, Johan Engelen wrote:
On Saturday, 20 May 2017 at 08:02:26 UTC, lixiaozi wrote:
[...]
I noticed it's the inline optimization in ldc2 that caused
the crash.
If you are certain that your code
On 05/22/2017 10:58 AM, biocyberman wrote:
@ag0aep6g
You fell into a trap there. The value is calculated at compile time,
but it has >copy/paste-like behavior. That is, whenever you use
`chars`, the code behaves as if you >typed out the array literal. That
means, the whole array is re-created
On Saturday, 20 May 2017 at 08:08:38 UTC, Johan Engelen wrote:
On Saturday, 20 May 2017 at 08:02:26 UTC, lixiaozi wrote:
[...]
I noticed it's the inline optimization in ldc2 that caused the
crash.
If you are certain that your code is 100% correct, please file
a bug report. Inlining is done b
On Monday, 22 May 2017 at 08:58:24 UTC, biocyberman wrote:
@Nicolas Wilson: Your explanation of the enum is clear and very
helpful. I can recall to the same technique used in kh_hash in
samtools and the associated. With that said, the chars enum is
only to 'T' (85) elements.
The reason for ha
On Saturday, 20 May 2017 at 08:11:06 UTC, Johan Engelen wrote:
On Saturday, 20 May 2017 at 08:02:26 UTC, lixiaozi wrote:
Now, I try to disable inlining in "dub.json" like
==
"dflags":[
"-disable-inlining"
],
==
but it doesn't work, because then dub calls ldc2 like this:
Hi, all
I have a question, how to handle a templated delegate. However,
I'm not sure, if I'm going in the right direction, so I have
three examples, and my question is about the third.
1. Here, a struct with an alias is defined and on its creation
the delegate get known to the struct. Everyth
On Monday, 22 May 2017 at 06:50:45 UTC, Biotronic wrote:
On Friday, 19 May 2017 at 22:53:39 UTC, crimaniak wrote:
On Friday, 19 May 2017 at 12:55:05 UTC, Biotronic wrote:
revComp6 seems to be the fastest, but it's probably also the
least readable (a common trade-off).
Try revComp7 with -releas
On Monday, 22 May 2017 at 08:03:07 UTC, ParticlePeter wrote:
No, no, this (other) way around :-), still C++ to D. It
actually works btw:
HACK ---
// original C++
ImVec2 GetCursorPos();
// C++ helper
void GetCursorPos(ImVec2& result) {
result = GetCursorPos();
}
//
On Monday, 22 May 2017 at 07:24:20 UTC, evilrat wrote:
On Monday, 22 May 2017 at 06:33:37 UTC, ParticlePeter wrote:
On Monday, 22 May 2017 at 01:39:04 UTC, evilrat wrote:
And this is actually D problem. In fact first bug report on
this thing was dated back to 2014. Still not fixed.
Thanks
On Monday, 22 May 2017 at 06:33:37 UTC, ParticlePeter wrote:
On Monday, 22 May 2017 at 01:39:04 UTC, evilrat wrote:
And this is actually D problem. In fact first bug report on
this thing was dated back to 2014. Still not fixed.
Thanks for your reply, do you have any links to some bug report
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