On Friday, 9 June 2017 at 16:56:46 UTC, ketmar wrote:
Petar Kirov [ZombineDev] wrote:
Do HexFloats (http://dlang.org/spec/lex#HexFloat) help?
hm. i somehow completely missed "%a" format specifier! yeah,
"-0x1.6ep-3" did the trick.
tnx. i should do my homework *before* posting big
Welcome!
On Thursday, 8 June 2017 at 07:32:44 UTC, Michael Reiland wrote:
A few questions:
- Is vibe.d the recommended way of doing web work?
Yes. Adam D. Ruppe also has some easy to use libraries that may
suit your need.
- Is that book worth purchasing?
Don't know.
- Does D have a
On Wednesday, 7 June 2017 at 12:39:07 UTC, Russel Winder wrote:
Are there any idiom rules as to where to put import statements
in D?
In Python they can go anywhere but PEP-8 suggests they should
all go at the top of a file, just after the module
documentation string.
Well for ones that
On Monday, 5 June 2017 at 18:22:31 UTC, Sebastien Alaiwan wrote:
On Wednesday, 22 March 2017 at 13:42:21 UTC, Matthias Klumpp
wrote:
This is why most of my work in Meson to get D supported is
adding weird hacks to translate compiler flags between GNU <->
non-GNU <-> DMD. It sucks quite badly,
On Sunday, 4 June 2017 at 12:24:44 UTC, Suliman wrote:
// Will reuse the array, overwriting existing data.
// If other parts of the program are using existing data
// in the array, this will lead to hard-to-track-down bugs.
mytracks.length = 0;
mytracks.assumeSafeAppend();
Could you give an
On Saturday, 3 June 2017 at 13:17:46 UTC, Russel Winder wrote:
A stripped down problem to avoid fluff. The C macro:
#define FLOB(t) (sizeof(t))
Can be used in another macro:
#define THINGY(a, b) (_THING(a, FLOB(b)))
We can use this as in:
THINGY(10, __u32)
Now the D Way says
On Thursday, 1 June 2017 at 12:04:05 UTC, Daniel Tan Fook Hao
wrote:
Somehow this code works for me:
```D
auto error (int status, string description){
struct Error {
int status;
string description;
}
Error err = {
status,
description
};
return
On Tuesday, 30 May 2017 at 10:20:53 UTC, Andrew Edwards wrote:
Sorry, rough day. Could someone please explain what this means
and how do go about resolving it?
Thanks,
Andrew
If you want to resolve it just do
const label_size = CalcTextSize(...);
but as others have mentioned make sure
On Monday, 29 May 2017 at 23:39:17 UTC, Russel Winder wrote:
C++ allows one to create types that are pointer types but wrap
a primitive pointer to give RAII handling of resources. For
example:
[...]
std.stdio.File does basically the same thing with C's FILE*
On Monday, 29 May 2017 at 12:23:59 UTC, Suliman wrote:
I am doing REST interface with vibed. And thinking about
handling errors, if users forgot to pass all expected args in
function.
For example:
foo(int x, int y) // get request
{
}
/api/foo?x=111
And if user is forgot to pass `y` we will
On Friday, 26 May 2017 at 15:17:08 UTC, drug wrote:
Trying to bind to cpp code I stop at some moment having
undefined reference to some cpp function. But objdump -Ct
cpplibrary.so shows me that this cpp function exists in the
library. linker message about cpp function is _identical_ to
On Thursday, 25 May 2017 at 08:34:54 UTC, JN wrote:
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
On Tuesday, 23 May 2017 at 10:30:56 UTC, Alex wrote:
On Monday, 22 May 2017 at 21:44:17 UTC, ag0aep6g wrote:
With that kind of variadics, you're not dealing with a
template. A (run-time) variadic delegate is an actual
delegate, i.e. a value that can be passed around. But the
variadic stuff is
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
On Sunday, 21 May 2017 at 09:55:41 UTC, David Zhang wrote:
On Sunday, 21 May 2017 at 09:37:46 UTC, Nicholas Wilson wrote:
On Sunday, 21 May 2017 at 09:29:40 UTC, David Zhang wrote:
Well then it becomes
Result!(T, E) ok(T,E) (T t) { return Result(t); }
Result!(T, E) error(T,E)(E e) {
On Sunday, 21 May 2017 at 09:29:40 UTC, David Zhang wrote:
On Sunday, 21 May 2017 at 09:15:56 UTC, Nicholas Wilson wrote:
have free functions
Result!(T, ErrorEnum) ok(T)(T t) { return Result(t); }
Result!(T, ErrorEnum) error(T)(ErrorEnum e) { return
Result(e); }
then go
if (!foo)
On Sunday, 21 May 2017 at 08:44:31 UTC, David Zhang wrote:
Hi,
I was reading a bit about this in Rust, and their enum type. I
was wondering if this is replicate-able in D. What I've got
right now is rather clunky, and involves using
`typeof(return).ok` and `typeof(return).error)`.
On Sunday, 21 May 2017 at 05:18:33 UTC, Russel Winder wrote:
I am having a crisis of confidence. In two places I have
structurally:
datum.action()
.map!(…)
and then the fun starts as I need to actually do a flatMap. In
one of the two places I have to:
.array
.joiner;
but
On Friday, 19 May 2017 at 12:21:10 UTC, biocyberman wrote:
On Friday, 19 May 2017 at 09:17:04 UTC, Biotronic wrote:
On Friday, 19 May 2017 at 07:29:44 UTC, biocyberman wrote:
[...]
Question about your implementation: you assume the input may
contain newlines, but don't handle any other
On Thursday, 18 May 2017 at 20:20:47 UTC, Gary Willoughby wrote:
This might be a really silly question but:
I've allocated some memory like this (Foo is a struct):
this._data = cast(Foo*) calloc(n, Foo.sizeof);
How can I then later check that there is a valid Foo at
`this._data` or
On Monday, 15 May 2017 at 06:44:53 UTC, Nordlöw wrote:
After having watched Jonathan Blow's talk on Jai
https://www.youtube.com/watch?v=TH9VCN6UkyQ=2880s
I realized that we should add his Array-of-Structures (AoS)
concept to Phobos, preferrably in std.typecons.StructArrays, as
something like
On Sunday, 14 May 2017 at 12:02:03 UTC, Eugene Wissner wrote:
On Sunday, 14 May 2017 at 11:45:12 UTC, ag0aep6g wrote:
On 05/14/2017 01:40 PM, Nicholas Wilson wrote:
dynamic array literals is what I meant.
I don't follow. Can you give an example in code?
void main()
{
ubyte[] arr = [ 1,
On Sunday, 14 May 2017 at 10:18:40 UTC, ag0aep6g wrote:
On 05/14/2017 01:57 AM, Nicholas Wilson wrote:
1D arrays it doesn't, 2D or higher it does.
What do you mean? This works just fine as well:
import std.random;
import std.stdio;
int[2][2] testfunc(int num) @nogc
{
return [[0,
On Sunday, 14 May 2017 at 01:15:03 UTC, Lewis wrote:
On Saturday, 13 May 2017 at 19:22:09 UTC, Steven Schveighoffer
wrote:
It's just out of date. Can't remember the version, but this
did use to allocate. It doesn't any more. But only for this
case. In most cases it does allocate.
Okay cool,
On Saturday, 13 May 2017 at 18:32:16 UTC, Lewis wrote:
import std.random;
import std.stdio;
int[4] testfunc(int num) @nogc
{
return [0, 1, num, 3];
}
int main()
{
int[4] arr = testfunc(uniform(0, 15));
writeln(arr);
return 0;
}
I've read a bunch of stuff that seems to indicate
On Friday, 12 May 2017 at 21:26:01 UTC, Bastiaan Veelo wrote:
On Friday, 12 May 2017 at 15:24:52 UTC, k-five wrote:
A full version that I just added to my gitgub:
https://github.com/k-five/dren
You may like getopt[1] for command line argument parsing.
https://dlang.org/phobos/std_getopt.html
On Thursday, 11 May 2017 at 07:24:00 UTC, AntonSotov wrote:
import std.stdio;
int main()
{
auto big = File("bigfile", "r+"); //bigfile size 20 GB
writeln(big.size); // ERROR!
return 0;
}
//
std.exception.ErrnoException@std\stdio.d(1029): Could
On Wednesday, 10 May 2017 at 22:20:52 UTC, Nordlöw wrote:
What's fastest way to on-the-fly-decompress and process a
gzipped csv-fil line by line?
Is it possible to combine
http://dlang.org/phobos/std_zlib.html
with some stream variant of
File(path).byLineFast
?
I suggest you take a look
On Wednesday, 10 May 2017 at 12:40:41 UTC, k-five wrote:
I have a line of code that uses "to" function in std.conv for a
purpose like:
int index = to!int( user_apply[ 4 ] ); // string to int
When the user_apply[ 4 ] has value, there is no problem; but
when it is empty: ""
it throws an
On Monday, 1 May 2017 at 12:42:01 UTC, Alex wrote:
Hi all,
the last foreach in the following code does not compile... Is
this a bug, or is something wrong with my syntax?
void main()
{
import std.parallelism : parallel;
import std.range : iota;
foreach(i;
On Friday, 28 April 2017 at 19:08:18 UTC, ParticlePeter wrote:
On Friday, 28 April 2017 at 17:57:34 UTC, Ali Çehreli wrote:
On 04/28/2017 08:56 AM, ParticlePeter wrote:
> C++ Function:
> bool cppFunc( float[3] color );
>
> D binding:
> extern(C++) bool cppFunc( float[3] color );
>
> Using with:
On Monday, 17 April 2017 at 19:15:06 UTC, Nordlöw wrote:
What's the plan for the recent adding __equal overloads at
https://github.com/dlang/druntime/pull/1808/files
Is it only meant for runtime and phobos to be updated? Or does
user-libraries, such as container libraries, need to be updated
On Monday, 17 April 2017 at 11:51:45 UTC, dennis wrote:
Hi,
try to build a little programm, but need to know
how to check the input.
For example: input only numbers: 0 - 9 but 1.5 for example is
ok.
thanks
I will point you to Ali's book (free), it goes through the basics
of input and
On Friday, 14 April 2017 at 11:32:57 UTC, DRex wrote:
I have project which involves both C and D code. For reasons
that are much too long to explain, I have to use GCC to compile
the C code into object files (GDC to compile the D code into
object files) and then ld to link all the object
On Wednesday, 12 April 2017 at 11:06:13 UTC, Juanjo Alvarez wrote:
Hi!
With "alias this" accepting runtime variables I'm struggling to
understand the difference between a generic function with an
"alias this" parameter and another one with a "runtime"
parameter of template type.
Example:
On Wednesday, 12 April 2017 at 09:51:34 UTC, Russel Winder wrote:
Are Argon https://github.com/markuslaker/Argon or darg
https://github. com/jasonwhite/darg getting traction as the
default command line handling system for D or are they just
peripheral and everyone just uses std.getopt
On Monday, 10 April 2017 at 21:27:34 UTC, Basile B. wrote:
2) This is about the reduce templates. As I've commented, I
can't use a template lambda with reduce, but I can use a
lambda taking ints as arguments. Why is this? The error
message I get when using the template lambda is:
"template
On Saturday, 8 April 2017 at 11:01:34 UTC, biocyberman wrote:
On Saturday, 8 April 2017 at 10:09:47 UTC, Mike Parker wrote:
T kroundup32(T)(T x) {
pragma(inline, true);
--(x);
(x)|=(x)>>1;
(x)|=(x)>>2;
(x)|=(x)>>4;
(x)|=(x)>>8;
(x)|=(x)>>16;
return ++(x);
}
I
On Wednesday, 5 April 2017 at 12:13:38 UTC, Satoshi wrote:
Hi,
How can I build single exe application with vibe.d (windows)?
now it require zlib.dll, libeay32.dll and ssleay32.dll
But I need it as single app.
As Evilrat notes static libraries are one solution, the catch
being you need to get
On Wednesday, 5 April 2017 at 12:27:23 UTC, biocyberman wrote:
On Monday, 3 April 2017 at 23:10:49 UTC, Stefan Koch wrote:
On Monday, 3 April 2017 at 11:18:21 UTC, Nicholas Wilson wrote:
prefer template over string mixins where possible. This
will make the code much more readable.
My
On Wednesday, 5 April 2017 at 09:31:09 UTC, harfel wrote:
Dear all,
Relatively new to D in general and PyD in particular, I am
trying to wrap some D classes I wrote for use in Python.
Following the documentation and code examples, I got the basic
functionality working. However, I am
On Tuesday, 4 April 2017 at 09:37:12 UTC, biocyberman wrote:
On Tuesday, 4 April 2017 at 05:29:42 UTC, Ali Çehreli wrote:
Covert has a very different meaning. :)
Ali
Thanks Ali. My fingers argued they are the same :) And I can't
find a way to edit my post after posting.
I would love to
On Monday, 3 April 2017 at 10:04:53 UTC, biocyberman wrote:
On Monday, 3 April 2017 at 00:00:04 UTC, Nicholas Wilson wrote:
On Sunday, 2 April 2017 at 21:43:52 UTC, biocyberman wrote:
template __KHASH_TYPE(string name){
"struct kh_" ~ name ~"_t { " ~
"khint_t n_buckets,
On Sunday, 2 April 2017 at 21:43:52 UTC, biocyberman wrote:
template __KHASH_TYPE(string name){
"struct kh_" ~ name ~"_t { " ~
"khint_t n_buckets, size, n_occupied,
upper_bound; " ~
"khint32_t *flags; " ~
"khkey_t *keys; " ~
On Sunday, 2 April 2017 at 21:43:52 UTC, biocyberman wrote:
khash.h
(http://attractivechaos.github.io/klib/#Khash%3A%20generic%20hash%20table) is a part of klib library in C. I want to covert it to D in the process of learning deeper about D.
First I tried with Dstep
On Sunday, 2 April 2017 at 05:33:31 UTC, rikki cattermole wrote:
On 02/04/2017 6:28 AM, Nicholas Wilson wrote:
[...]
BSR looks like its working.
http://x86.renejeschke.de/html/file_module_x86_id_20.html
http://stackoverflow.com/a/9353998
Ahh there's a subtraction involved. Many thanks!
I have this c++ code with clang
uint32_t val = 490560;
int leading_zeros = __builtin_clz( val << 1); // equals 0
int leading_ones = __builtin_clz(~val << 1); // equals 1
return (lz == 0 ? lo - 1 : -lz);
and want to translate it to D.
import core.bitop : bsf,bsr;
uint val = 490560;
On Friday, 31 March 2017 at 07:23:42 UTC, Inquie wrote:
I am trying to build DMD 64-bit. I was able to build everything
after getting the paths fixed for zlib, druntime, and phobos.
Everything seems to compile. I replaced all the files generated
in to the dmd directories of the old ones.
On Monday, 27 March 2017 at 21:18:31 UTC, XavierAP wrote:
When I first read about inout as a device to obviate code
duplication typical in C++ const ref overloads, I liked it but
I assumed it was implemented by lowering it into the actual
duplicate overloads. Though I'm not even sure right now
On Saturday, 25 March 2017 at 02:21:33 UTC, data pulverizer wrote:
Thanks a lot ... I was half joking playing with the name
"mangling" but I appreciate your explanations and suggestions.
This is the internet, I can't tell if you're a newb or sarcastic,
and given this is a learn forum I'm
On Thursday, 23 March 2017 at 19:46:43 UTC, data pulverizer wrote:
On Thursday, 23 March 2017 at 17:58:21 UTC, H. S. Teoh wrote:
On Thu, Mar 23, 2017 at 05:29:22PM +, data pulverizer via
Thanks. Is there a less ham-handed way of exporting them
other than wrapping them in functions as I
On Thursday, 23 March 2017 at 12:06:14 UTC, data pulverizer wrote:
On Thursday, 23 March 2017 at 11:32:25 UTC, Nicholas Wilson
wrote:
On Thursday, 23 March 2017 at 10:49:37 UTC, data pulverizer
wrote:
[...]
Those functions are the bounds checking function, the non
unittest assert function,
On Thursday, 23 March 2017 at 10:49:37 UTC, data pulverizer wrote:
On Thursday, 23 March 2017 at 10:16:22 UTC, Nicholas Wilson
wrote:
It has to do with module references to druntime stuff. You can
either try adding a
pragma(LDC_no_module_info); //I think it is spelled correctly.
or you can
On Thursday, 23 March 2017 at 09:11:28 UTC, data pulverizer wrote:
I am trying to call a D function from C. Here is the D code:
```
/* dcode.d */
extern (C) nothrow @nogc @system {
double multNum(double x, double y)
{
return x*y;
}
}
```
[...]
It has to do with module
On Wednesday, 22 March 2017 at 08:57:34 UTC, ANtlord wrote:
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
On Friday, 17 March 2017 at 23:54:36 UTC, Hussien wrote:
I am using Parameters and ReturnType which give me the "name"
of the type used. e.g.,
int foo(SomeEnum)
will give SomeEnum and int for the type respectively.
What I need to do, is also get the D types that these use.
int is int, but
On Sunday, 12 March 2017 at 21:38:44 UTC, Inquie wrote:
Is there any easy way to create a scope for termination of the
object?
I have a template method that takes a type and allocates and
deallocates based on that type.
class bar
{
void foo(T)()
{
T x;
alloc(x);
On Sunday, 12 March 2017 at 10:47:35 UTC, Andrey wrote:
Hello, how better to declare properties, for example I have
class:
class Foo {
this(in int x, in int y, Bar bar) {
this.x = x;
this.y = y;
this.bar = bar;
}
private:
int x;
int y;
Bar bar;
}
And
On Sunday, 12 March 2017 at 07:58:40 UTC, helxi wrote:
How would an experienced programmer declare an associative
array of strings that has 2 keys?
My initial impression was string[string][2] my_array; which
does not seem to work.
Here is a snippet of the code I am working on:
import
On Sunday, 12 March 2017 at 05:13:41 UTC, bauss wrote:
I was wondering if there's a more elegant way to do something
like this?
template BitSize(T) {
enum BitSize = T.sizeof * 8;
}
struct Data(ParentType,ChildType) {
@property {
ChildType low() { return
On Saturday, 11 March 2017 at 22:39:02 UTC, cy wrote:
So a lovely C library does its own opaque allocation, and
provides access to the malloc'd memory, and that memory's
length. Instead of copying the results into garbage collected
memory (which would probably be smart) I was thinking about
On Tuesday, 7 March 2017 at 22:30:30 UTC, XavierAP wrote:
I'm talking about the conditional compilation keyword
"version", not about version strings. I've looked in DUB's help
and reference [1][2] but can't seem to find how to solve my
problem. On the command line it seems to be possible to
On Thursday, 2 March 2017 at 09:13:40 UTC, berni wrote:
On Tuesday, 28 February 2017 at 17:09:28 UTC, berni wrote:
I'm using CMAKE to build my project. [...]
Just a note: I now asked the same question on the cmake mailing
list. Maybe, it's the better place to do so...
I would take a look
On Wednesday, 22 February 2017 at 11:37:41 UTC, XavierAP wrote:
@Nicholas yes such a FEM library to be developed would heavily
depend on Mir. Ilya Yaroshenko pointed me to it in another
thread. I didn't know about DlangScience, thanks. Looks like
there is some overlap?
I think mir used to be
On Wednesday, 22 February 2017 at 00:51:46 UTC, XavierAP wrote:
Is there any D library for FEM (Finite Element Method, see
Wikipedia) solving, meshing, etc... already existing somewhere?
I'm asking because I'm considering making something in that
field as a personal learning project.
On Friday, 17 February 2017 at 23:11:25 UTC, Jean Cesar wrote:
import std.stdio;
import std.string;
I've been reading a bit about multi-inheritance in D, but I
have to use interface like C # to use multiple inheritance, but
I have the code in C ++ that I've been testing to understand
how it
On Saturday, 11 February 2017 at 03:21:29 UTC, mashomee wrote:
Hi, everyone.
I have a thread running in Dll. But it always halts because of
access violation exception when GC begins collecting.
[...]
It's great that you're found a workaround. If you weren't doing
something funky to
On Friday, 10 February 2017 at 23:57:18 UTC, bitwise wrote:
https://github.com/dlang/phobos/blob/cd7846eb96ea7d2fa65ccb04b4ca5d5b0d1d4a63/std/experimental/allocator/mallocator.d#L63-L65
Looking at Mallocator, the use of 'shared' doesn't seem correct
to me.
[...]
IIRC you're supposed to use
On Thursday, 26 January 2017 at 08:22:09 UTC, albert-j wrote:
What is the D idiom for removing array elements that are
present in another array?
Is this the right/fastest way?
int[] a = [1, 2, 3, 4, 5, 6, 7, 4];
int[] b = [3, 4, 6];
auto c = a.remove!(x => b.canFind(x));
assert(c == [1, 2, 5,
On Monday, 23 January 2017 at 06:42:00 UTC, Suliman wrote:
You have *two* distinct strings here.
Yes, I understand, I am trying to find out how it's work on low
level. Any ideas why zero is used?
string *literals* in d are nul terminated to ease interoperation
with C
so
string s = "foo";
On Sunday, 22 January 2017 at 12:49:11 UTC, Suliman wrote:
import std.stdio;
import std.string;
import core.memory;
void main()
{
char [] str = "aaa".dup;
char [] *str_ptr =
writeln("before: ", str_ptr.ptr);// address of structure
writeln(*str_ptr.ptr); // address of data
On Sunday, 22 January 2017 at 08:18:35 UTC, Jot wrote:
On Sunday, 22 January 2017 at 08:07:26 UTC, rikki cattermole
wrote:
On 22/01/2017 9:05 PM, Jot wrote:
auto x = new int[][](n,m);
But one cannot freely assign anywhere in x:
x[3,6] = 4 crashes.
I, can, of course, convert everything to a
On Friday, 20 January 2017 at 22:47:17 UTC, Xavier Bigand wrote:
Hi,
I am writing some code with opengl commands that I want to
check in debug, so I am using the function checkgl (from
glamour lib).
The issue is that checkgl throw exception and can't be @nogc, I
had try to use
On Thursday, 19 January 2017 at 03:47:34 UTC, Ignacious wrote:
On Thursday, 19 January 2017 at 02:59:04 UTC, Ignacious wrote:
I have the need to create an enum flag like structure to
specify certain properties of a type easily.
e.g.,
enum properties
{
Red,
Blue,
Hot,
Sexy,
On Wednesday, 18 January 2017 at 19:28:20 UTC, Samwise wrote:
On Wednesday, 18 January 2017 at 04:25:42 UTC, Mike Parker
wrote:
extern(C), not simply extern. It turns off the name mangling.
But really, the proper thing to do is to drop the prototype
and import the module with the
On Wednesday, 18 January 2017 at 00:23:37 UTC, pineapple wrote:
On Wednesday, 18 January 2017 at 00:09:42 UTC, Nordlöw wrote:
What's the easiest way to print a double in maximum precision?
https://github.com/pineapplemachine/mach.d/blob/master/mach/text/numeric/floats.d#L60
You can also try
On Tuesday, 17 January 2017 at 10:49:14 UTC, Enjoys Math wrote:
Z add(Z...)(Z a...) {
return a + b;
}
func[] operatorPool = [!int];
Variant library isn't liking that. Removing & causes another
error.
Essentially I want a pool of all operators that I define, but
these operators can
On Tuesday, 17 January 2017 at 00:08:24 UTC, Nordlöw wrote:
How do I best initialize a D double to an exact mantissa and
exponent representation?
I'm specifically interested in
2^^i for all i in [min_exp, max_exp]
See
std.bitmanip : FloatRep , DoubleRep;
On Friday, 13 January 2017 at 16:56:43 UTC, WhatMeWorry wrote:
I'm converting some C++ and glm code to D and gl3n. And I'm
stumped at the following line.
GLboolean CheckCollision(BallObject , GameObject ) //
AABB - Circle collision
{
// Get center point circle first
glm::vec2
On Saturday, 14 January 2017 at 03:20:24 UTC, Ignacious wrote:
When doing common functionality for a switch, is there any way
to optimize:
switch(x)
{
case X:
q.X = e;
break;
case Y:
q.Y = e;
break
etc...
}
e is basically a value that, depending
On Sunday, 8 January 2017 at 03:27:26 UTC, Fabrice Marie wrote:
Hi,
On my first attempt to create a templated class, I'm hitting an
issue that I can't seem to resolve.
I've dustmite'd the code down to:
class Cache(O, K, F)
{
}
void main()
{
class BasicObject
{
}
On Saturday, 7 January 2017 at 09:46:54 UTC, crimaniak wrote:
Hi!
I need to iterate module members and find specific classes (and
make tuple).
class foo{};
pragma (msg, __traits(allMembers,mixin(__MODULE__)));
gives me empty tuple. I found also this thread from 2011:
On Saturday, 31 December 2016 at 12:31:07 UTC, Nicholas Wilson
wrote:
On Saturday, 31 December 2016 at 11:39:39 UTC, Nicholas Wilson
wrote:
[...]
Oh and `kernel` could be a template function that would need
its args forwarded to it.
It's worse than that `kernel` could be a qualified name
On Saturday, 31 December 2016 at 11:39:39 UTC, Nicholas Wilson
wrote:
[...]
Oh and `kernel` could be a template function that would need its
args forwarded to it.
so I have
```
struct Pipeline
{
// some fields.
ref typeof(this) invoke(alias kernel)(TransformArgsOf!kernel
args)
{
//...
return this;
}
}
```
and it will be used like
```
void fun1(int a) {}
void fun2(double b) {}
void funn(ulong c) {}
//...
auto pipe =
On Wednesday, 28 December 2016 at 23:33:57 UTC, Ignacious wrote:
What is the current status for building android apps in D? I
would like to create simple graphic based apps but don't wanna
get bogged down in trying to get car moving without any wheels.
On Saturday, 24 December 2016 at 00:57:04 UTC, Yuxuan Shui wrote:
On Saturday, 24 December 2016 at 00:55:01 UTC, Yuxuan Shui
wrote:
I tried this:
immutable int[char] xx = ['Q':0, 'B':1, 'N':2, 'R':3,
'P':4];
And got a "non-constant expression" error (with or without
'immutable').
On Wednesday, 21 December 2016 at 11:45:18 UTC, Eugene Wissner
wrote:
Consider we have a function that returns a struct. So for
example:
import std.stdio;
struct A {
~this() {
writeln("Destruct");
}
}
A myFunc() {
auto a = A(), b = A();
if (false) {
return a;
On Monday, 19 December 2016 at 11:42:55 UTC, Ali wrote:
On Monday, 19 December 2016 at 10:03:34 UTC, Nicholas Wilson
wrote:
[...]
The seedless version without the typeof(a)(b[0], b[1]) hack
(with default inited T) seems to crap out with:
[...]
Ah, oh well. It was nice in theory.
[...]
On Monday, 19 December 2016 at 09:24:38 UTC, Ali wrote:
On Monday, 19 December 2016 at 00:11:49 UTC, Nicholas Wilson
wrote:
[...]
Ok so laziness stops as soon as sort is required on a range
then?
No. Because a lazy range is not random access, and therefore does
not meet sorts requirement.
On Monday, 19 December 2016 at 05:51:09 UTC, Nikhil Jacob wrote:
In C, we can define a struct without body in an include file
and use pointer to that structure
For examples in public header file.
struct data;
data* new_data();
We can then define the elements of struct data privately inside
On Sunday, 18 December 2016 at 22:26:50 UTC, Ali wrote:
Hey, so I have this data file that has a list of a string of
characters separated by new lines. The task is to find the most
common letter in each column. Ie if file is:
abc
axy
cxc
Then the letters are a (column 1), x and c.
I've
On Friday, 16 December 2016 at 12:40:19 UTC, Ilya Yaroshenko
wrote:
It was in DMD sources.
How it can be used?
Are methods virtual?
How multiple inheritance works?
Can this be used in betterC mode?
What different between classes in C++?
Thanks,
Ilya
See also
On Friday, 16 December 2016 at 12:40:19 UTC, Ilya Yaroshenko
wrote:
It was in DMD sources.
How it can be used?
Like any other struct.
Are methods virtual?
No.
How multiple inheritance works?
Don't think it works.
Can this be used in betterC mode?
Yes all it should affect is the
On Wednesday, 14 December 2016 at 21:38:27 UTC, Benjiro wrote:
Silly question: In this post about static / dynamic loading, i
noticed that it uses the dlopen/dlclose, while there is a
core.runtime for handling the loading.
http://dlang.org/dll-linux.html#dso9
Dynamically Loading a D DLL From
On Wednesday, 14 December 2016 at 07:15:08 UTC, Bauss wrote:
If a function is only called during compile-time will it be
available at runtime?
It depends. When linking unused functions can be removed by
-gc-sections, but only when linking an executable.
But obviously if you use it at
On Tuesday, 13 December 2016 at 05:13:01 UTC, Nikhil Jacob wrote:
I mistook the original statement to mean that an impure
function can be called from a pure function with some manual
overrides.
Thank you for the clarification.
Yeah you can't do that, except in a debug statement. You can
On Tuesday, 13 December 2016 at 04:48:11 UTC, Nikhil Jacob wrote:
In the D spec for pure functions it says that a pure function
can override
"can override an impure function, but an impure function cannot
override a pure one"
Can anyone help me how to do this ?
what this means is
class
On Monday, 12 December 2016 at 11:37:04 UTC, Nikhil Jacob wrote:
On Monday, 12 December 2016 at 11:15:28 UTC, Nicholas Wilson
wrote:
On Monday, 12 December 2016 at 11:02:21 UTC, Nikhil Jacob
wrote:
Is there any way to check whether a function/delegate passed
to a function uses any shared or
On Monday, 12 December 2016 at 10:25:05 UTC, aberba wrote:
On Monday, 12 December 2016 at 00:42:54 UTC, Nicholas Wilson
wrote:
On Sunday, 11 December 2016 at 18:30:54 UTC, aberba wrote:
You can enforce that the string that you receive is an email
address with `isEmail` from `std.net.isemail`
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