On Tuesday, 19 September 2017 at 11:47:00 UTC, Timothy Foster
wrote:
I'm trying to compile my project as a Win64 application but
this is happening:
Building C:\Users\me\test\test.exe...
OPTLINK (R) for Win32 Release 8.00.17
Copyright (C) Digital Mars 1989-2013 All rights reserved.
On Sunday, 17 September 2017 at 11:42:16 UTC, kerdemdemir wrote:
Hi,
Thanks its price dropped to 10 Euros I bought the the D Web
Development book and I were trying to build some examples.
The example in Chapter3 called noteapp4 is giving me this error
:
[...]
Optlink bug I guess?
try
On Saturday, 16 September 2017 at 21:45:34 UTC, Nordlöw wrote:
How do I temporarily enable -vgc when building my app with DUB?
I've tried
DFLAGS=-vgc /usr/bin/dub build --build=unittest
but it doesn't seem to have any effect as it doesn't rebuild
directly after the call
/usr/bin/dub build
On Tuesday, 12 September 2017 at 03:51:45 UTC, Laeeth Isharc
wrote:
Hi.
I'm here in HK with Ilya, Atila, John Colvin, and Jonathan
Davis.
I wondered what the current state of D catching C++ exceptions
was on Linux and Windows. I know that some work was done on
making this possible, and my
On Tuesday, 12 September 2017 at 01:13:29 UTC, Hasen Judy wrote:
Is this is a common beginner issue? I remember using an earlier
version of D some long time ago and I don't remember seeing
this concept.
Now, a lot of library functions seem to expect ranges as inputs
and return ranges as
On Monday, 4 September 2017 at 20:39:11 UTC, Igor wrote:
I found that I can't use __simd function from core.simd under
LDC
Correct LDC does not support the core.simd interface.
and that it has ldc.simd but I couldn't find how to implement
equivalent to this with it:
ubyte16* masks = ...;
On Monday, 4 September 2017 at 05:45:18 UTC, Vino.B wrote:
On Saturday, 2 September 2017 at 20:54:03 UTC, Vino.B wrote:
On Saturday, 2 September 2017 at 20:10:58 UTC, Moritz Maxeiner
wrote:
On Saturday, 2 September 2017 at 18:59:30 UTC, Vino.B wrote:
[...]
Cannot reproduce under Linux with
On Saturday, 2 September 2017 at 21:11:17 UTC, Vino.B wrote:
On Saturday, 2 September 2017 at 15:47:31 UTC, Vino.B wrote:
On Saturday, 2 September 2017 at 12:54:48 UTC, Nicholas Wilson
wrote:
[...]
Hi,
[...]
Hi,
Was able to resolve the above issue, but again getting the
same for other
On Saturday, 2 September 2017 at 10:15:04 UTC, Vino.B wrote:
Hi All,
Can you please guide me how can i use array appender for the
below piece of code
string[][] cleanFiles (string FFs, string Step) {
auto dFiles = dirEntries(FFs, SpanMode.shallow).filter!(a =>
a.isFile).map!(a =>
On Friday, 1 September 2017 at 11:33:15 UTC, Biotronic wrote:
On Friday, 1 September 2017 at 10:15:09 UTC, Nicholas Wilson
wrote:
So I have the following types
struct DevicePointer(T) { T* ptr; }
struct Buffer(T)
{
void* driverObject;
T[] hostMemory;
}
and a function
auto
On Friday, 1 September 2017 at 22:10:43 UTC, Biotronic wrote:
On Friday, 1 September 2017 at 19:39:14 UTC, EntangledQuanta
wrote:
Is there a way to create a 24-bit int? One that for all
practical purposes acts as such? This is for 24-bit stuff like
audio. It would respect endianness, allow for
On Friday, 1 September 2017 at 11:33:15 UTC, Biotronic wrote:
On Friday, 1 September 2017 at 10:15:09 UTC, Nicholas Wilson
wrote:
So I have the following types
struct DevicePointer(T) { T* ptr; }
struct Buffer(T)
{
void* driverObject;
T[] hostMemory;
}
and a function
auto
On Friday, 1 September 2017 at 10:58:51 UTC, user1234 wrote:
On Friday, 1 September 2017 at 10:15:09 UTC, Nicholas Wilson
wrote:
So I have the following types
...
i.e. it substitutes the template DevicePointer for the
template Buffer in Parameters!foo,
The templates can be assumed to not be
So I have the following types
struct DevicePointer(T) { T* ptr; }
struct Buffer(T)
{
void* driverObject;
T[] hostMemory;
}
and a function
auto enqueue(alias k)(HostArgsOf!k) { ... }
where k would be a function like
void foo( DevicePointer!float a, float b , int c) { ... }
How can I
On Friday, 1 September 2017 at 09:38:59 UTC, Alex wrote:
Hi all!
Say, I have
struct A(T...)
{
T arr;
}
struct B(T...)
{
T[] arr;
}
void main()
{
A!(int[], double[]) a;
a.arr[0] ~= 5;
a.arr[0] ~= 6;
static assert(!__traits(compiles, a.arr[0] ~=
My project is a library, but I also need to test it and unit
tests won't cut it (external hardware).
How do you set up the dub.json to build the library normally but
when it is invoked with `dub test` it runs a separate
configuration that also includes files in the `source/test`
folder, but
On Saturday, 26 August 2017 at 00:27:47 UTC, Ali Çehreli wrote:
I think you need a variation of intermediateCallback() below. I
passed the address of the delegate as userData but you can
construct any context that contains everything that you need
(e.g. the address of ms).
import std.stdio;
On Friday, 25 August 2017 at 13:49:20 UTC, Kagamin wrote:
You're not specific enough. What would be semantics of such
wrapper?
The C function I'm trying to wrap takes a function pointer which
is essentially a delegate, but not quite:
ErrorEnum function(Struct* s, void function(Struct*,
I want to wrap:
ErrorEnum function(Struct* s, void function(Struct*, ErrorEnum
status, void *userData) callback, void *userData, uint flags);
as a member of a wrapping struct
struct Mystruct
{
Struct* s; // wrapped
ErrorEnum addCallback(void delegate(Struct*, ErrorEnum
status))
On Wednesday, 23 August 2017 at 09:53:49 UTC, biocyberman wrote:
I lost my momentum to learn D and want to gain it up again.
Therefore I need some help with this seemingly simple task:
# Fasta sequence
\>Entry1_ID header field1|header field2|...
On Saturday, 19 August 2017 at 10:16:18 UTC, Balagopal Komarath
wrote:
Let us say I want to automatically define subtraction given
that addition and negation are defined. I tried the following
using mixin templates. If I simply mixin the template using
"mixin sub;", then it gives the error
On Saturday, 19 August 2017 at 18:33:37 UTC, WhatMeWorry wrote:
Or maybe another approach would be to ask, what type is the
compiler replacing auto with.
If you want to find out compile with `-vcg-ast`
On Monday, 14 August 2017 at 00:44:05 UTC, WhatMeForget wrote:
module block_template;
void main()
{
template BluePrint(T, U)
{
T integer;
U floatingPoint;
}
BluePrint!(int, float);
}
// DMD returns
// template.d(13): Error: BluePrint!(int, float) has no effect
On Sunday, 6 August 2017 at 23:33:26 UTC, greatsam4sure wrote:
import std.math;
import std.stdio;
cos(90*PI/180) = -2.7e-20 instead of zero. I will appreciate
any help. thanks in advance.
tan(90*PI/180) = -3.689e+19 instead of infinity. What is the
best way to use this module
in addition
On Sunday, 6 August 2017 at 19:56:06 UTC, Johnson Jones wrote:
is it possible to do? I would like to pre-configure some stuff
at "pre-compilation"(in ctfe but before the rest of the program
actually gets compiled).
I know it's not safe and all that but in my specific case it
would help.
On Sunday, 30 July 2017 at 02:05:32 UTC, Nicholas Wilson wrote:
On Saturday, 29 July 2017 at 22:45:12 UTC, piotrekg2 wrote:
What about __builtin_ctz?
https://github.com/ldc-developers/druntime/blob/ldc/src/ldc/intrinsics.di#L325
you can also make it out of bsf or bsr (i can't remember
On Saturday, 29 July 2017 at 22:45:12 UTC, piotrekg2 wrote:
On Saturday, 29 July 2017 at 18:19:47 UTC, Johan Engelen wrote:
On Saturday, 29 July 2017 at 16:01:07 UTC, piotrekg2 wrote:
Hi,
I'm trying to port some of my c++ code which uses sse2
instructions into D. The code calls the following
On Friday, 28 July 2017 at 22:06:27 UTC, Ali Çehreli wrote:
I think it works:
template replace(T) {
template inside(Src...) {
template from(Dst...) {
import std.meta;
enum f = staticIndexOf!(T, Src);
static if (f == -1) {
alias
Hi
I want to replace each occurrence of a particular type in an
AliasSeq with a type from another AliasSeq (the both have the
same length) with the corresponding index
i.e. (int long long float) (byte char double dchar) replacing
long should yield (int char double float) std.meta.Replace
On Friday, 28 July 2017 at 00:39:43 UTC, James Dean wrote:
On Friday, 28 July 2017 at 00:23:35 UTC, Nicholas Wilson wrote:
On Thursday, 27 July 2017 at 21:33:29 UTC, James Dean wrote:
I'm interested in trying it out, says it's just for ldc. Can
we simply compile it using ldc then import it and
On Thursday, 27 July 2017 at 21:33:29 UTC, James Dean wrote:
I'm interested in trying it out, says it's just for ldc. Can we
simply compile it using ldc then import it and use dmd, ldc, or
gdc afterwards?
The ability to write kernels is limited to LDC, though there is
no practical reason
On Tuesday, 25 July 2017 at 21:06:25 UTC, unDEFER wrote:
I have found the answer in the code.
Right code is:
Import imp = m.isImport();
if (imp !is null)
Thank you.
grep for kluge in code, you'll find all the places it does its
own RTTI.
On Friday, 21 July 2017 at 23:38:51 UTC, FoxyBrown wrote:
On Friday, 21 July 2017 at 22:35:20 UTC, Era Scarecrow wrote:
On Friday, 21 July 2017 at 21:03:22 UTC, FoxyBrown wrote:
Is there a way to easily find the differences between to
struct instances? I would like to report only the
On Thursday, 20 July 2017 at 04:38:40 UTC, Adam D. Ruppe wrote:
On Thursday, 20 July 2017 at 04:33:55 UTC, Nicholas Wilson
wrote:
Error: module dcompute.driver.ocl120 from file
source/dcompute/driver/ocl120/packge.d conflicts with package
Is that a copy/paste error or did you actually
Im probably missing something really obvious but
Error: module dcompute.driver.ocl120 from file
source/dcompute/driver/ocl120/packge.d conflicts with package
name ocl120
the package.d file in question
```
module dcompute.driver.ocl120;
public import dcompute.driver.error;
public import
On Wednesday, 19 July 2017 at 07:29:55 UTC, Andrew Edwards wrote:
Given a module (somepackage.somemodule) how does one
programmatically determine the symbols contained therein and
associated UDAs?
Where symbol is a variable, function, UDT, etc... is this
possible?
foreach (symbol;
On Monday, 17 July 2017 at 11:07:35 UTC, Anton Fediushin wrote:
Hello! What is the best way of rewriting this code in idiomatic
D manner?
--
foreach(a; ["foo", "bar"]) {
foreach(b; ["baz", "foz", "bof"]) {
foreach(c; ["FOO", "BAR"]) {
// Some operations on a, b and c
}
}
}
On Tuesday, 18 July 2017 at 02:21:59 UTC, Enjoys Math wrote:
DMD32 D Compiler v2.074.1
import std.file;
void main() {
string bigInput = readText("input.txt");
}
The file is 7 MB of ascii text, don't know if that matters...
Should I upgrade versions?
I wonder if it thinks there is a BOM
On Sunday, 16 July 2017 at 10:37:39 UTC, kerdemdemir wrote:
My goal is to find connected components in a 2D array for
example finding connected '*'
chars below.
x x x x x x
x x x x x x
x x * * x x
x x * * x x
x x x * * x
* x x x x x
There are two connected
On Saturday, 15 July 2017 at 13:45:40 UTC, Morimur55 wrote:
On Saturday, 15 July 2017 at 13:12:49 UTC, Adam D. Ruppe wrote:
On Saturday, 15 July 2017 at 13:02:52 UTC, Morimur55 wrote:
[...]
The `typeid(obj)` will give the type... but why do you need
it? The classinfo returned by that
On Friday, 14 July 2017 at 00:40:38 UTC, FoxyBrown wrote:
Anyone have an efficient implementation that is easy to use?
If you are OK with just a range spanning the two or more strings,
then you could use chain as is.
On Thursday, 13 July 2017 at 01:15:46 UTC, FoxyBrown wrote:
Everything I do results in some problem, I've tried malloc but
then converting the strings resulted in my program becoming
corrupted.
Heres the code:
auto EnumServices()
{
auto schSCManager = OpenSCManager(null, null,
On Wednesday, 12 July 2017 at 12:20:11 UTC, Miguel L wrote:
What is the best way in D to create a function that receives a
static array of any length?
Do know that static arrays are passed by value in D, so passing a
static array of a million elements will copy them...
There are two
On Saturday, 8 July 2017 at 08:56:17 UTC, Rainer Schuetze wrote:
On 08.07.2017 07:55, Nicholas Wilson wrote:
On Saturday, 8 July 2017 at 05:36:49 UTC, rikki cattermole
wrote:
On 08/07/2017 2:35 AM, Nicholas Wilson wrote:
On Friday, 7 July 2017 at 08:49:58 UTC, Nicholas Wilson
wrote:
My
On Saturday, 8 July 2017 at 05:36:49 UTC, rikki cattermole wrote:
On 08/07/2017 2:35 AM, Nicholas Wilson wrote:
On Friday, 7 July 2017 at 08:49:58 UTC, Nicholas Wilson wrote:
My library is generating a typeid from somewhere.
e.g.
typeid(const(Pointer!(cast(AddrSpace)1u, float)))
[...]
It
On Friday, 7 July 2017 at 08:49:58 UTC, Nicholas Wilson wrote:
My library is generating a typeid from somewhere.
e.g.
typeid(const(Pointer!(cast(AddrSpace)1u, float)))
[...]
It seems to be coming from the need to hash the type, goodness
knows why, which explains why I only get the const
My library is generating a typeid from somewhere.
e.g.
typeid(const(Pointer!(cast(AddrSpace)1u, float)))
but I have never declared a const of that type nor have I used
typeid explicitly in my program. Where is this coming from?
The program is just:
enum AddrSpace {
Global,
Shared
}
Ignore, I was trying to analyse an uninstantiated template.
Why does this:
enum AddrSpace {
Global,Shared
}
struct Pointer(AddrSpace as, T)
{
T* ptr;
alias ptr this;
}
struct AutoIndexed(T) if (is(T : Pointer!(n,U),AddrSpace n,U))
{
T p;
private @property auto idx()
{
static if (n == AddrSpace.Global)
return
On Tuesday, 4 July 2017 at 23:27:25 UTC, Jean-Louis Leroy wrote:
I want to create a range that consists of the result of a map()
followed by a value, e.g.:
int[] x = [ 1, 2, 3];
auto y = map!(x => x * x)(x);
auto z = y ~ 99; // how???
I have tried several variations: convert 99 to a
On Sunday, 2 July 2017 at 05:33:45 UTC, Damien Gibson wrote:
K im retarded... So I forgot the golden rule, debug libs with
debug app, release libs with release app.. I attempted loading
the debug version of dll with D again just to see what kinda
errors (may) come up there, sure enough there
On Sunday, 2 July 2017 at 00:49:30 UTC, LeqxLeqx wrote:
Hello!
How does one go about invoking a templated-variatic function
such as std.string.format
with an array of objects?
For example:
string stringMyThing (string formatForMyThings, MyThing[]
myThings)
{
return format(
On Saturday, 1 July 2017 at 19:23:57 UTC, Void-995 wrote:
On Saturday, 1 July 2017 at 19:16:12 UTC, drug wrote:
01.07.2017 22:07, Void-995 пишет:
(Void-995) Hi, everyone. I'm pretty excited with what have D
to offer for game development, especially meta programming,
traits, object.factory,
On Saturday, 1 July 2017 at 20:47:55 UTC, Damien Gibson wrote:
Well I finally somehow got it to stop complaining about a bad
lib file, but now it wants to tell me the entry point for the
functions i list isnt correct, so now im just unsure if its
being stupid on me or im not writing something
On Tuesday, 27 June 2017 at 11:43:27 UTC, John Burton wrote:
On Tuesday, 27 June 2017 at 10:14:16 UTC, Jonathan M Davis
wrote:
On Tuesday, June 27, 2017 09:54:19 John Burton via
Digitalmars-d-learn wrote:
I'm coming from a C++ background so I'm not too used to
garbage collection and it's
On Tuesday, 27 June 2017 at 09:54:19 UTC, John Burton wrote:
I'm coming from a C++ background so I'm not too used to garbage
collection and it's implications. I have a function that
creates a std.socket.Socket using new and connects to a tcp
server, and writes some stuff to it. I then
On Sunday, 25 June 2017 at 11:39:27 UTC, Andrew Chapman wrote:
Hi guys, I'm a little confused as to whether D supports
interfaces with templates. I can compile OK, but linking
reports an error like this:
Error 42: Symbol Undefined
On Friday, 23 June 2017 at 07:51:51 UTC, Russel Winder wrote:
I am likely just staring at and missing the data needed:
How does one invoke dub to fetch and build, and put into a
place other that ~/.dub/… a package from Dub?
dub fetch foo --version=1.0.0
mv ~/.dub/packages/foo-1.0.0
On Saturday, 10 June 2017 at 14:14:53 UTC, Steven Schveighoffer
wrote:
I can confirm on my system, ldc with bounds check off was at
least twice as slow as with just -release.
Definitely seems like a bug
-Steve
Ya, see https://github.com/ldc-developers/ldc/issues/2161
On Saturday, 10 June 2017 at 12:44:07 UTC, Honey wrote:
On Saturday, 10 June 2017 at 12:23:05 UTC, Nicholas Wilson
wrote:
On Saturday, 10 June 2017 at 12:16:34 UTC, Honey wrote:
Is it expected that turning off bounds checking can lead to a
performance decrease?
Yes, with it on you are doing
On Saturday, 10 June 2017 at 12:16:34 UTC, Honey wrote:
On Saturday, 10 June 2017 at 11:53:44 UTC, Johan Engelen wrote:
`-release` should be synonymous with `-release
-boundscheck=off`.
Nope it's not.
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 10:54:49 UTC, Solomon E wrote:
The earlier version of the page made D look more error prone
than other languages, but short. Now my solution is as long as
some of the other language's solutions, but it's well commented
and tested, I think. Now I doubt any of the
On Tuesday, 30 May 2017 at 20:37:44 UTC, Jordan Wilson wrote:
On Tuesday, 30 May 2017 at 20:02:38 UTC, Nitram wrote:
After reading
https://dlang.org/blog/2017/05/24/faster-command-line-tools-in-d/ , i was wondering how fast one can do a simple "wc -l" in D.
So i made a couple short
On Tuesday, 30 May 2017 at 20:02:38 UTC, Nitram wrote:
After reading
https://dlang.org/blog/2017/05/24/faster-command-line-tools-in-d/ , i was wondering how fast one can do a simple "wc -l" in D.
So i made a couple short implementations and found myself
confronted with slow results compared
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 Friday, 26 May 2017 at 06:31:49 UTC, realhet wrote:
Hi,
I'm kinda new to the D language and I love it already. :D So
far I haven't got any serious problems but this one seems like
beyond me.
import std.stdio;
void main(){
foreach(i; 0..2000){
writeln(i);
auto st = new
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 18:07:47 UTC, H. S. Teoh wrote:
On Thu, May 11, 2017 at 05:55:03PM +, k-five via
Digitalmars-d-learn wrote:
On Thursday, 11 May 2017 at 17:18:37 UTC, crimaniak wrote:
> On Wednesday, 10 May 2017 at 12:40:41 UTC, k-five wrote:
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
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