On Monday, 6 July 2015 at 05:30:46 UTC, thedeemon wrote:
On Sunday, 5 July 2015 at 18:57:46 UTC, sigod wrote:
Why does function return incorrect data? Using `.dup` in
return expression or using `ubyte[20]` as return type fixes
problem, but why?
Because sha1Of() returns ubyte[20], this is a
On Monday, 6 July 2015 at 07:48:17 UTC, sigod wrote:
Aren't compiler smart enough to prevent it?
```
ubyte[] test1()
{
auto b = sha1Of();
return b; // Error: escaping reference to local b
}
ubyte[] test2()
{
return sha1Of(); // works, but returns incorrect data
}
```
On Monday, 6 July 2015 at 01:16:54 UTC, Peter wrote:
Hi,
I have a struct with arithmetic operations defined using
opBinary but array operations with arrays of it don't work.
struct Vector3 {
public double[3] _p;
...
Vector3 opBinary(string op)(in Vector3 rhs) const
if (op ==
On Monday, 6 July 2015 at 03:02:59 UTC, Nicholas Wilson wrote:
On Monday, 6 July 2015 at 01:16:54 UTC, Peter wrote:
[...]
unittest{
auto a = Vector3([2.0, 2.0, 0.0]);
auto b = Vector3([1.0, 2.0, 1.0]);
Vector3[] c = [a];
Vector3[] d = [b];
Vector3 e = a + b; // works
What registers can I safely modify in asm {} blocks? Especially
XMM registers.
I can't find the information on http://dlang.org/iasm.html
Note that this question isn't for function-call boundaries but
asm{} boundaries since I do not use naked;
On Sunday, 5 July 2015 at 15:39:50 UTC, Artem Tarasov wrote:
On Sunday, 5 July 2015 at 14:44:30 UTC, John Colvin wrote:
struct A
{
ubyte[B.sizeof] mem;
@property ref B b()
{
return *cast(B*)(mem.ptr);
}
mixin std.typecons.Proxy!b;
}
Thanks, I followed your
On Sunday, 5 July 2015 at 09:46:19 UTC, ketmar wrote:
On Sun, 05 Jul 2015 21:39:23 +1200, Rikki Cattermole wrote:
Of course of course.
Valid options in failing gracefully include resetting the data
and
informing the user. Also giving them an option to send a bug
report to
the devs.
Point
On Sunday, 5 July 2015 at 06:53:36 UTC, Szabo Bogdan wrote:
you don't want to crash the user app, because this will make
the user unhappy.
This type reasoning is always flawed. It's like saying that the
Earth is flat.
http://p0nce.github.io/d-idioms/#Unrecoverable-vs-recoverable-errors
On Monday, 6 July 2015 at 10:29:35 UTC, anonymous wrote:
Works for me with various versions of dmd on linux. What
compiler are you using, what version of it, what operating
system, etc?
dmd 2.066.1, windows 7 64bit
On 7/5/15 8:15 AM, Artem Tarasov wrote:
OK, so there was an old bug fixed in 2.067
(https://issues.dlang.org/show_bug.cgi?id=4421) so that now unions
apparently can't contain a struct that has invariants. It kinda makes
sense, although I don't see why the invariants can be simply ignored, as
How do you correctly implement a bidirectional range on a linked
list?
I have a linked list implementation and I've added a range
interface to it but after a while I've realized it not quite
right. The problem is when I call the save method of the forward
range interface I don't get a copy I
On Monday, 6 July 2015 at 12:15:22 UTC, Peter wrote:
dmd 2.066.1, windows 7 64bit
Tested it on Windows 7, using dmd 2.066.1: works for me.
The exact code I tested (just commented those ... out):
struct Vector3 {
public double[3] _p;
//...
Vector3 opBinary(string op)(in
On Sunday, 5 July 2015 at 00:07:59 UTC, Laeeth Isharc wrote:
Posted short write-up here. Please make it better...
http://wiki.dlang.org/Transforming_slice_of_structs_into_struct_of_slices
In John Colvin's solution, should
alias TransformMembers(alias TypeTransform, alias
On Monday, 6 July 2015 at 20:50:19 UTC, Gary Willoughby wrote:
The problem is when I call the save method of the forward range
interface I don't get a copy I only get another view to the
same state. So when i remove nodes from the original list the
range becomes invalid.
This is why
Have anybody used the FFMPEG bindings at
https://bitbucket.org/sumitraja/ffmpeg-d
?
Specifically do I have to check for a specific version of the
libraries to stay in sync with the version bindings?
How stable has the FFMPEG API since beginning 2015?
What's the policy on future API
Say I'm trying to expand an array of file and directory paths
(such as ones given as command line args) into a range of file
paths I can iterate over. A simplified example might be:
auto getEntries(string[] paths, bool recursive)
{
auto files = paths.filter!(p = p.isFile);
if
I need to create following struct using malloc
struct Map {
int **entries;
int rows;
int cols;
}
Map *map_create(int rows, int cols) {
Map *that = cast(Map*)malloc(Map.sizeof);
that.entries = cast(int**)malloc(rows * int.sizeof);
foreach(row; 0..rows) {
that.entries[row] =
On 7/6/15 2:15 PM, codenstuff wrote:
I need to create following struct using malloc
struct Map {
int **entries;
int rows;
int cols;
}
Map *map_create(int rows, int cols) {
Map *that = cast(Map*)malloc(Map.sizeof);
that.entries = cast(int**)malloc(rows * int.sizeof);
(int *).sizeof
On Sunday, 5 July 2015 at 19:50:41 UTC, Johannes Pfau wrote:
GDC uses a slightly older phobos version. It seems quite some
imports
changed in the last phobos version. You need to import
std.algorithm
and your code should work with gdc:
http://goo.gl/l4zKki
Thanks. Turns out my imports are
As it turns out, inputRangeObject does an excellent job at this
task. The solution then becomes something like:
InputRange!string getEntries(string[] paths, bool recursive)
{
auto files = paths.filter!(p = p.isFile);
if (recursive) {
auto expandedDirs = paths
Hi,
In C++ it's important to layout struct/class members correctly
for performance reasons.
Is the same true in D?
Thanks,
lobo
On Monday, 6 July 2015 at 23:24:00 UTC, lobo wrote:
Hi,
In C++ it's important to layout struct/class members correctly
for performance reasons.
Is the same true in D?
Thanks,
lobo
Short answer: yes.
On Monday, 6 July 2015 at 21:35:53 UTC, Alex Parrill wrote:
They aren't actually the same types
I understand the problem - I was just wondering if there was a
standard library solution to this or if I would have to roll my
own.
use a class wrapper in std.range.interface [1].
[1]:
On Monday, 6 July 2015 at 20:50:19 UTC, Gary Willoughby wrote:
How do you correctly implement a bidirectional range on a
linked list?
I have a linked list implementation and I've added a range
interface to it but after a while I've realized it not quite
right. The problem is when I call the
On Monday, 6 July 2015 at 19:46:51 UTC, Matt Kline wrote:
Say I'm trying to expand an array of file and directory paths
(such as ones given as command line args) into a range of file
paths I can iterate over. A simplified example might be:
auto getEntries(string[] paths, bool recursive)
{
On Monday, 6 July 2015 at 21:58:31 UTC, anonymous wrote:
To make your removal methods stable, it may be enough to not
free the removed node. That is, don't do this:
https://github.com/nomad-software/etcetera/blob/master/source/etcetera/collection
Looks like I messed up the URL. Here's the
On Monday, 6 July 2015 at 17:35:22 UTC, Vlad Levenfeld wrote:
On Sunday, 5 July 2015 at 00:07:59 UTC, Laeeth Isharc wrote:
Posted short write-up here. Please make it better...
http://wiki.dlang.org/Transforming_slice_of_structs_into_struct_of_slices
In John Colvin's solution, should
On Tuesday, 7 July 2015 at 00:23:38 UTC, John Colvin wrote:
On Monday, 6 July 2015 at 23:24:00 UTC, lobo wrote:
Hi,
In C++ it's important to layout struct/class members correctly
for performance reasons.
Is the same true in D?
Thanks,
lobo
Short answer: yes.
thanks,
lobo
How do I ddoc an enum constant? Putting ddoc comments above
functions and structs woorks fine but ddocing an enum constant
doesn't generate any documentation.
On Mon, 06 Jul 2015 16:42:08 +, Per Nordlöw wrote:
How stable has the FFMPEG API since beginning 2015?
don't know, but various players stop bundling ffmpeg long time ago. i
assume that API is stable enough to stop worrying about it.
warning. information deduced, but not checked.
p.s. stop bundling means stop bundling their own private versions in
source tree, and started to use system version here.
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On Tuesday, 7 July 2015 at 03:30:40 UTC, Rikki Cattermole wrote:
On 7/07/2015 1:05 p.m., Vlad Levenfeld wrote:
How do I ddoc an enum constant? Putting ddoc comments above
functions
and structs woorks fine but ddocing an enum constant doesn't
generate
any documentation.
If:
///
enum MyValue
On 7/07/2015 1:05 p.m., Vlad Levenfeld wrote:
How do I ddoc an enum constant? Putting ddoc comments above functions
and structs woorks fine but ddocing an enum constant doesn't generate
any documentation.
If:
///
enum MyValue = 8.2f;
does not generate documentation upon its creation, please
If I call a function like
int[] square_array(int[] x)
{
return x[] *= x[];
}
I get an error that there is an overlapping array in a vector
operation. I guess this makes sense as the lhs and rhs are
occupying the same memory. Nevertheless, I find it a little
frustrating.
I tried two
On Monday, 6 July 2015 at 10:20:28 UTC, anonymous wrote:
dmd 2.068.0 catches this. You can get the beta here:
http://downloads.dlang.org/pre-releases/2.x/2.068.0/
... and it already contains a std.digest.hmac module :-)
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