On Sunday, 17 May 2015 at 09:26:15 UTC, Dennis Ritchie wrote:
And no crashes on Windows :)
Yeah, on windows it's even worse.
void main()
{
auto s = cast(char[][])["foo", "bar"];
s[1][1] = 't';
import std.stdio;
writeln("bar");
}
On Sunday, 17 May 2015 at 10:09:11 UTC, Daniel Kozak wrote:
On Sunday, 17 May 2015 at 09:25:33 UTC, Namespace wrote:
[...]
Error: e2ir: cannot cast malloc(length * 8u) of type void* to
type char[]
I would say this is not an ICE just normal error message.
"e2ir: " shouldn't be there, though.
On Sunday, 17 May 2015 at 21:34:21 UTC, tcak wrote:
[code]
void test(D)( const D data ) if( is(D: shared(char[]) ) ) { }
void main() {
char[] text = new char[4];
text[0] = 'a'; text[1] = 'b'; text[2] = 'c'; text[3] = 'd';
auto t = cast( shared(const(char[])) )tex
On Monday, 18 May 2015 at 21:35:44 UTC, Per Nordlöw wrote:
void yield(T)(ref T value)
{
mixin("alias caller = " ~ caller ~ ";");
}
doesn't work across module boundaries not even for
`__PRETTY_FUNCTION__`.
Do we need need to fix the compiler, Walter?! ;)
You have to impor
On Monday, 18 May 2015 at 14:34:38 UTC, ketmar wrote:
it can throw "out of range" error, which is `new`ed.
Array access can also throw RangeError, but -vgc and @nogc don't
mind that:
void main() @nogc
{
int[] a;
auto b = a[0];
}
On Saturday, 23 May 2015 at 20:25:18 UTC, Dennis Ritchie wrote:
This does not work!
enum n1 = 5;
writeln(stdin.byLine
.map!(line => line.split(" ").map!(x => to!int(x)))
);
-
http://rextester.com/VGHZF81178
The code itself is ok.
That site has broken newlines. You can see here tha
On Saturday, 23 May 2015 at 21:08:19 UTC, Dennis Ritchie wrote:
Perhaps that's not the site, and in Windows. That's what gives
me in CMD:
456 4 4 8 99 456
[[456, 4, 4, 8, 99, 456]13 546
std.conv.ConvException@C:\D\dmd2\windows\bin\..\..\src\phobos\std\conv.d(2013):
Unexpected end of input when
On Sunday, 24 May 2015 at 17:35:39 UTC, Jay Norwood wrote:
I'm a bit confused by the documentation of the ctfe limitations
wrt static arrays due to these seemingly conflicting
statements, and the examples didn't seem to clear anything up.
I was wondering if anyone has examples of clever things
On Sunday, 24 May 2015 at 18:14:19 UTC, anonymous wrote:
"Static array" has a special meaning. It does not mean "static
variable with an array type". Static arrays are those of the
form Type[size]. That is, the size is known statically.
PS: You may also see the term "fixed-size array" which me
On Sunday, 24 May 2015 at 20:53:03 UTC, Jay Norwood wrote:
On Sunday, 24 May 2015 at 18:14:19 UTC, anonymous wrote:
[...]
1) static int[5] x; -- x is a static variable with a static
array type
2) static int[] x; -- static variable, dynamic array
3) int[5] x; -- non-static variable, static arra
On Monday, 25 May 2015 at 17:52:09 UTC, Dennis Ritchie wrote:
But why is the solution breaks down when `s = 1` ? :)
import std.stdio, std.algorithm, std.range;
int c;
const x = 12, y = 65, z = 50, s = 10;
Which is it, now? 4 or 5 zeros?
void solve(Range)(Range r) {
cartesianProduct
This may be somewhat related.
http://forum.dlang.org/thread/ckeqxhkqjyvmqodrf...@forum.dlang.org#post-m9rj0d:242m9e:243:40digitalmars.com
https://github.com/economicmodeling/soa
On Saturday, 30 May 2015 at 14:17:51 UTC, short2cave wrote:
On Saturday, 30 May 2015 at 13:57:28 UTC, Rikki Cattermo
On Sunday, 31 May 2015 at 08:02:10 UTC, Ali Çehreli wrote:
auto maxElement(R)(R range)
{
return reduce!((current, a) => current >= a ? current : a)
(ElementType!R.min, range);
}
[...]
auto result = numArr.maxElement;
Can be shortened to `auto result = numArr.reduce!m
On Sunday, 31 May 2015 at 07:45:02 UTC, kerdemdemir wrote:
Unfortunately not this time :)
import std.stdio;
import std.algorithm;
import std.string;
import std.conv;
import std.array; ---> I added this line thanks to you.
`take` is in `std.range`. Try importing that.
On Sunday, 31 May 2015 at 21:33:53 UTC, Assembly wrote:
why that page I've linked use std.format?
You mean that first example? Simple oversight. It's already fixed
in the prerelease version where it imports std.array now:
http://dlang.org/phobos-prerelease/std_format.html
On Tuesday, 2 June 2015 at 08:10:27 UTC, rsw0x wrote:
The tuple page is even confusing me
http://dlang.org/tuple.html
A variable declared with a TypeTuple becomes an ExpressionTuple:
alias TL = Tuple!(int, long);
is it using Tuple!(T...) and TypeTuple!(T...) interchangeably?
Almost.
`Tuple
On Tuesday, 2 June 2015 at 09:34:28 UTC, Ali Çehreli wrote:
On 06/02/2015 01:10 AM, rsw0x wrote:
[...]
The tuple page is even confusing me
http://dlang.org/tuple.html
[...]
Tuple can hold only values, TypeTuple can hold types as well.
Tuple can be created at run time, TypeTuple is a compile
On Tuesday, 2 June 2015 at 19:18:15 UTC, Stiff wrote:
Hi,
I'm reading in a rather large text file (~25Mb) line by line,
where I don't need to hang on to a line for more than one
iteration through my loop. I'm consistently getting an
InvalidMemoryOperationError on my 2,547th iteration, and bas
On Tuesday, 2 June 2015 at 19:47:09 UTC, Andrei Alexandrescu
wrote:
I just updated the Kernighan-Ritchie allocator, including
documentation:
Wrong board?
On Tuesday, 2 June 2015 at 20:56:41 UTC, Steven Schveighoffer
wrote:
Hm... I think the issue might possibly be solved. What version
of the compiler are you using?
I think 14005 (and 14578) are fixed in git head, because there's
no assumeSafeAppend in byLine anymore.
But the underlying issue
On Tuesday, 2 June 2015 at 21:43:45 UTC, Stiff wrote:
So...in the meantime, I'll just pad my input I guess?
It's a mess and I'm not sure what works and what doesn't, but
here are some options:
byLineCopy: Could be fine as it doesn't reuse any buffers.
readln without passing a buffer: as abo
On Wednesday, 3 June 2015 at 09:10:22 UTC, David Monagle wrote:
What I was looking for is a more elegant way of defining those
secondary functions. Originally I was hoping I could do
something like:
enum shouldEqual(E, V) = shouldValue((e, v) => e == v, "equal",
E, V);
Here you go:
tem
On Wednesday, 3 June 2015 at 10:21:20 UTC, Kyoji Klyden wrote:
On Wednesday, 3 June 2015 at 08:11:16 UTC, Kagamin wrote:
On Tuesday, 2 June 2015 at 16:41:38 UTC, Kyoji Klyden wrote:
[...]
string source = readText("test.glvert");
const char* sources = source.ptr;
[...]
On Wednesday, 3 June 2015 at 10:56:21 UTC, Kyoji Klyden wrote:
So in "const char* sources = source.ptr;" sources is just
turning the property ptr of source into a variable,
yes
and then in glShaderSource you're passing the memory address of
sources
yes
(which is technically source.ptr)
On Wednesday, 3 June 2015 at 11:23:09 UTC, Kyoji Klyden wrote:
Ooooh okay, I'm starting to get it. I think this last question
should clear it up for me: When a string is made, how is the
struct Slice handled? What does ptr get assigned?
ptr is a pointer to the first char, in other words the ad
On Wednesday, 3 June 2015 at 20:28:57 UTC, Paul wrote:
Ooops, this is what I meant to post:
struct CoOrd
{
int x, y;
}
CoOrd[][NumPaths]pathList;
I append values like so...
pathList[][n] ~= CoOrd(cX, cY);
The "[]" does nothing here. You can leave it (or add more) out
without chang
On Wednesday, 3 June 2015 at 23:27:31 UTC, Ali Çehreli wrote:
Pretty standard thing doesn't work and I can't find it on
bugzilla:
import std.algorithm;
struct Foo(R)
{
R r;
this(R r)// <-- Compilation error
{}
}
auto foo(R)(R r)
{
return Foo!R(r);
}
void main()
{
aut
On Thursday, 4 June 2015 at 11:28:51 UTC, tcak wrote:
[code]
void test( const int a ){}
[/code]
Does that "const" make any difference at all? At the end, it is
a scalar, and passed as value.
All it does is it makes the variable "a" const:
void test( const int a )
{
a = 42; /* Error:
On Thursday, 4 June 2015 at 21:35:40 UTC, Kyoji Klyden wrote:
On Thursday, 4 June 2015 at 03:25:24 UTC, ketmar wrote:
On Wed, 03 Jun 2015 11:59:56 +, Kyoji Klyden wrote:
[...]
what
exactly is char**? Is it pointing to the first char of the
first string
in an array?
it's a pointer to a
On Friday, 5 June 2015 at 14:15:09 UTC, Dennis Ritchie wrote:
For example, why here I can simply write:
void main() {
int b = 5;
mixin(`int a = b;`);
assert(a == 5);
}
This becomes:
int b = 5;
int a = b;
assert(a == 5);
Why should not I write like this:
void main()
On Friday, 5 June 2015 at 17:27:18 UTC, Kyoji Klyden wrote:
On Thursday, 4 June 2015 at 22:28:50 UTC, anonymous wrote:
[...]
By the way, there are subtly different meanings of "array" and
"string" which I hope you're aware of, but just to be sure:
"array" can refer to D array types, i.e. a poin
On Friday, 5 June 2015 at 19:30:58 UTC, Kyoji Klyden wrote:
Okay, so it's primarily an interfacing with C problem that
started all this? (My brain is just completely scrambled at
this point xP )
Yeah, you wanted to call glShaderSource, which is a C function
and as such it's not aware of D sli
On Saturday, 6 June 2015 at 20:30:50 UTC, Paul wrote:
However, I now get an 'undefined identifier' error when
compiling and trying to access the AA from a function within
the same module.
static this()
{
string[string] tagWords = [ "DIST" : "Distance", .
}
...
if(tag in tagWords)
On Sunday, 7 June 2015 at 18:42:58 UTC, Dennis Ritchie wrote:
How do I remove the key from the `redBlackTree` with comparator
"a <= b" ?
Do not use '<=' as a comparison function with RedBlackTree. It
doesn't meet the requirements.
Quoting the documentation [1]:
Note that less should produce
On Sunday, 7 June 2015 at 19:04:08 UTC, Dennis Ritchie wrote:
OK. But I want to return a `upperBound` segment with the
included `key`. It does not suit me:
auto rbt = redBlackTree!("a < b", int)(1, 2, 3, 4, 5);
writeln(rbt.upperBound(3)); // prints [4, 5]
I want it to be so:
auto rbt = redBla
On Sunday, 7 June 2015 at 23:08:02 UTC, WhatMeWorry wrote:
However, when I try to add a simple constraint to the function
like so:
int arrayByteSize(T)(T[] someArray) if (isDynamicArray(T))
You forgot an exclamation mark here. Make that: isDynamicArray!(T)
On Wednesday, 10 June 2015 at 17:00:34 UTC, Dennis Ritchie wrote:
Isnt it possible to come up with the interpreter compile-time,
which will determine the operating time of the program at
runtime at compile time.
Sounds like the halting problem. So, no, generally this is not
possible.
On Thursday, 11 June 2015 at 19:56:00 UTC, kerdemdemir wrote:
Can I achieve something faster than code below?
auto peopleMoney = stdin.readln().split().map!(a =>
to!int(a)).array();
if (peopleMoney.length == 20)
writeln(":(");
`std.array.split` is eager. It may be faster if you
I cannot find a way to actually modify immutable memory with
it...
a.d:
class C {
int a;
this(int a) {
this.a = a;
}
}
struct S {
int x;
C elem = new C(42);
~this() {
import std.stdio;
writeln("mutable ~this()");
x = 1;
elem.a = 123;
no need for ~this() to modify immutable data:
class C {
int a;
this(int a) {
this.a = a;
}
}
struct S {
C elem = new C(42);
}
void main() {
import std.stdio;
immutable(S) s1;
// Error: cannot modify immutable expression s1.e
On Saturday, 13 June 2015 at 00:47:37 UTC, Mike Parker wrote:
// config.d
version(One) enum One = true;
else enum One = false;
version(Two) enum Two = true;
else enum Two = false;
// other.d
import config;
static if(One || Two) {
...
}
Taking it one step further:
template Version(string
On Saturday, 13 June 2015 at 15:21:19 UTC, Dennis Ritchie wrote:
Hello, everyone!
I like to work with arrays of strings like `string[] strArray`,
but unfortunately, they are immutable.
I do not like to work with arrays of strings such as `char[][]
strArray`, because it is necessary to apply
On Saturday, 13 June 2015 at 15:58:44 UTC, Dennis Ritchie wrote:
On Saturday, 13 June 2015 at 15:45:34 UTC, anonymous wrote:
Before jumping to a solution, please elaborate on the
perceived problem. I have a feeling that there is none.
Do you like to write?
char[][] strArray = ["foo".dup, "bar"
On Saturday, 13 June 2015 at 16:09:58 UTC, Dennis Ritchie wrote:
On Saturday, 13 June 2015 at 15:45:34 UTC, anonymous wrote:
[...]
Are you saying that `string[]` is simpler than `char[][]`?
That's not true: `string` is an alias for `immutable(char)[]`,
so `string[]` is the same as `immutable(c
On Saturday, 13 June 2015 at 17:02:06 UTC, Dennis Ritchie wrote:
On Saturday, 13 June 2015 at 16:20:46 UTC, anonymous wrote:
[...]
Yeah, that would be neat. But typing out ".dup" isn't that
bad, and converting a `string[]` to a `char[][]` is simple:
import std.conv: to;
auto a = ["foo"].to
Is there an existing issue on issue.dlang.org? If not can you
report it
https://issues.dlang.org/show_bug.cgi?id=10376
To come back to destructors and immutable objects:
Even without the default initialized variables issue it is
possible to modify immutable data:
struct S {
int[] bar;
~this() {
bar[0] = 123;
}
}
void foo(immutable(int[]) i) {
immutable(S) s = immutable S(i);
}
void main() {
im
On Sunday, 14 June 2015 at 10:10:51 UTC, ketmar wrote:
i.e. when it need a value in compile time. the interpreter is
invoked, it evaluates (interprets) the given code (function or
template instantiation), and then it returns result (or raises
an error).
One important thing I didn't see stated
On Sunday, 14 June 2015 at 10:41:24 UTC, JDemler wrote:
So if i want to use parameters in a static context at compile
time i have to pass them as template parameters?
Yes, template parameters are fine.
On Monday, 15 June 2015 at 15:10:24 UTC, jmh530 wrote:
float[] exp(float[] x) {
auto y = x.map!(a => exp(a));
cast(float[]) y;
return y;
}
But I get an error that I can't convert MapResult!(__lambda2,
float[]) to float[].
So I suppose I have two questions: 1) am I scre
On Tuesday, 16 June 2015 at 21:17:37 UTC, tcak wrote:
As far as I known, when I define a string with enum and it is
used at different parts of code, that string is repeated again
and again in executable file instead of passing a pointer to
string. So, using enum with string doesn't seem like a
On Monday, 22 June 2015 at 18:44:22 UTC, Assembly wrote:
I'm using this, thanks for all. Can someone clarify how does
opApply() works? I assume it's called every iteration and as
opApply() has a loop does it means the number of iteration ran
actually is the ones from foreach() is 2*n where n is
On Monday, 22 June 2015 at 20:30:40 UTC, David DeWitt wrote:
I am getting an core.exception.InvalidMemoryOperationError@(0)
auto recs = f // Open for reading
.byLineCopy();
.array; //Here is where is appears
to be happening.
I have
On Tuesday, 23 June 2015 at 07:57:26 UTC, Charles Hawkins wrote:
Sigh. I'm probably doing something stupid. I tried full paths:
dmd -I+/home/charles/projects/d/mylib/source/mylib/ myprog.d
What's that plus sign doing there? Looks wrong.
/home/charles/projects/d/mylib/build/libmylib.a
Same
On Sunday, 28 June 2015 at 01:57:46 UTC, xky wrote:
hello. :-)
when i was using DerelictSFML2(
http://code.dlang.org/packages/derelict-sfml2 ), i got this
problem.
CSFML doc had 'setUnicodeString':
CSFML_GRAPHICS
On Sunday, 28 June 2015 at 09:19:16 UTC, Tofu Ninja wrote:
module main;
import std.stdio;
void main(string[] args)
{
auto d = foo();
writeln(d()); // prints 25
}
auto foo()
{
int x = 4;
pure int delegate() d = delegate()
{
return x*x;
On Sunday, 28 June 2015 at 16:28:20 UTC, jmh530 wrote:
Thanks for the reply. Two follow ups: 1) Does labeling a
template as pure matter if the compiler infers it anyway? 2)
Does the compiler also infer anything for @safe/nothrow in
templates?
1) It means you can't instantiate the template fun
On Monday, 29 June 2015 at 12:04:46 UTC, Jonathan M Davis wrote:
You haven't declared an immutable constructor, so you can't
construct an immutable Foo.
That's not what's happening. Constructing an immutable Foo works
just fine.
On Monday, 29 June 2015 at 22:11:16 UTC, sigod wrote:
`new immutable(MyClass)()` is invalid code.
It's perfectly fine, actually.
On Tuesday, 30 June 2015 at 15:18:36 UTC, Jack Applegame wrote:
Just creating a bunch (10k) of sleeping (for 100 msecs)
goroutines/tasks.
Compilers
go: go version go1.4.2 linux/amd64
vibe.d: DMD64 D Compiler v2.067.1 linux/amd64, vibe.d 0.7.23
Code
go: http://pastebin.com/2zBnGBpt
vibe
On Tuesday, 30 June 2015 at 21:06:58 UTC, WhatMeWorry wrote:
All the stuff I've read about templates always refers to them
as template declarations.
So with the following code segment:
template codeBlockTemplate(T, U)
{
T a = 7;
U b = 'z';
}
codeBlockTemplate!(int, char); // error he
On Wednesday, 1 July 2015 at 17:13:03 UTC, Taylor Hillegeist
wrote:
string q = cast(string)
(A.cycle.take(seg1len).array
~B.cycle.take(seg2len).array
~C.cycle.take(seg3len).array);
q.writeln;
I was wondering if it might be the cast?
Yes, the cast is wrong. You're reinterpreting (not
On Wednesday, 1 July 2015 at 20:01:08 UTC, dd0s wrote:
i have the following struct, and i expect it to have 30 bytes
but sizeof tells me it has 32 bytes. dmd seems to still use
4byte alignment altough i specified to align 2bytes.
struct netadr_t {
align(2):
inttype; // 0
in
On Thursday, 2 July 2015 at 17:33:29 UTC, Laeeth Isharc wrote:
Any thoughts on what could be leading to the following:
./../../marketdata/source/pricebar.d(397): Error: incompatible
types for ((bar.high) + (bar.low)): 'FixedDecimal!(int, 8)' and
'FixedDecimal!(int, 8)'
../../../marketdata/sourc
On Thursday, 2 July 2015 at 19:03:49 UTC, dd0s wrote:
i got a date t described in seconds from 1.1.1970,
I.e., you have a unix timestamp.
and i want to check if the current time is further than 12
hours from the given time t. the following code works but it's
super ugly =S
please give me s
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
Vec
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 Vecto
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 s
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 righ
On Tuesday, 7 July 2015 at 19:54:19 UTC, jmh530 wrote:
I'm not sure I understand the safety of function pointers vs.
the addresses of functions. The code below illustrates the
issue.
I was under the impression that pointers are not allowed in
safe code.
No, pointers are fine. It's pointer a
On Tuesday, 7 July 2015 at 20:32:49 UTC, jmh530 wrote:
Thanks for the detailed answer. All I meant here is that if I
have some
T foo(T)(T x), then to take the address, sometimes I've needed
to &foo!int or &foo!real, etc.
Ah, sure. Templates don't have addresses. Function templates are
not exe
On Thursday, 9 July 2015 at 22:05:23 UTC, codenstuff wrote:
I am trying to import module and compile.
The compiler produces message
map/map.d(9): Error: module game_object is in file
'steering/game_object.d' which cannot be read
import path[0] = /usr/include/dmd/phobos
import path[1] = /usr/i
On Friday, 10 July 2015 at 03:11:25 UTC, Mike Parker wrote:
On Friday, 10 July 2015 at 00:53:38 UTC, codenstuff wrote:
The path is ${HOME}/d_apps/steering/steering/game_object.d
[...]
First, because you are importing sterring.game_object, then you
can't pass -I/home/real/d_apps/steering to
On Friday, 10 July 2015 at 00:53:38 UTC, codenstuff wrote:
On Friday, 10 July 2015 at 00:24:44 UTC, anonymous wrote:
On Thursday, 9 July 2015 at 22:05:23 UTC, codenstuff wrote:
I am trying to import module and compile.
The compiler produces message
map/map.d(9): Error: module game_object is i
On Saturday, 11 July 2015 at 13:31:12 UTC, Peter wrote:
The postblit can only not take @nogc due to the array
duplication which is understandable.
I think the postblit might be redundant anyway since the struct
is built on a static array so there is no possibility of two
different Vect3s "point
On Sunday, 12 July 2015 at 16:34:17 UTC, jmh530 wrote:
I've been playing around with this a little more. I wrote this
function to encapsulate a simple operation on arrays.
U array_fun(T, U)(T fp, U x)
if (isFunctionPointer!(T) && isArray!(U))
{
return x.map!(a => fp(a)).array;
}
On Sunday, 12 July 2015 at 17:25:17 UTC, Gary Willoughby wrote:
Why does the following code fail to compile if the
`writeln(value);` line is present?
The error message (formatted to be a little more readable):
Error: function test2.__unittestL6_1.Foo.opApply
(int delegate(ref string) not
On Sunday, 12 July 2015 at 21:07:34 UTC, jmh530 wrote:
private template givemeabettername(alias fun)
{
T givemeabettername(T : U[], U)(T x)
if (isArray!(T))
{
return x.map!(a => fun(a)).array;
You don't need the lambda, do you? -> return x.map!fun.array;
}
}
Very
On Tuesday, 14 July 2015 at 01:05:21 UTC, jmh530 wrote:
Note: some of the above seemed to only work when I kept the
std.math.cos, std.math.sin text in there. When I take it out, I
get warnings about recursive aliases.
Yeah, you can't do `alias cos = givemeabettername!cos;`. That
would define
On Tuesday, 14 July 2015 at 14:02:46 UTC, jmh530 wrote:
Thanks for posting that. I figured out the issue. Before you
had recommended that I use
alias cos = std.math.cos;
I had kept that text in. When I removed it, everything worked
just fine. I'm still not sure I grasp the subtleties of alias
I have the following code, working under Win and Linux:
---
import std.process: environment;
immutable string p;
static this() {
version(Win32) p = environment.get("APPDATA");
version(linux) p = "/home/" ~ environment.get("USER");
version(OSX) p = "?";
}
---
what would be the OSX e
On Friday, 17 July 2015 at 07:14:24 UTC, FreeSlave wrote:
On Thursday, 16 July 2015 at 21:12:05 UTC, anonymous wrote:
I have the following code, working under Win and Linux:
---
import std.process: environment;
immutable string p;
static this() {
version(Win32) p = environment.get("APPDAT
On Friday, 17 July 2015 at 07:42:09 UTC, Roland Hadinger wrote:
Here's how I would implement the basic behaviour (could be
extended to also forward bidirectional and random access
functions):
---
auto cushion(R)(R r)
if (isInputRange!R)
{
static if (isInfinite!R) { retu
On Friday, 17 July 2015 at 07:54:43 UTC, FreeSlave wrote:
On Friday, 17 July 2015 at 07:33:43 UTC, Anonymous wrote:
On Friday, 17 July 2015 at 07:14:24 UTC, FreeSlave wrote:
On Thursday, 16 July 2015 at 21:12:05 UTC, anonymous wrote:
I have the following code, working under Win and Linux:
---
On Friday, 17 July 2015 at 12:18:56 UTC, TC wrote:
Hello,
I came around a strange behavior and I'm not sure if it is a
bug or feature.
import std.typecons : Nullable;
struct Foo
{
string bar;
Nullable!int baz;
}
auto a = Foo("bb");
auto b = Foo("bb");
assert(a == b);
This end
On Saturday, 18 July 2015 at 16:18:30 UTC, Clayton wrote:
Thanks , you were right . It seems there are some key words
though which one has to use so that the code gets executed on
compile-time .For example I had to change the second forloop to
a foreach loop,
`for` loops work just fine in CTF
On Monday, 20 July 2015 at 08:53:52 UTC, Clayton wrote:
What could be the best-tool for monitoring the evaluation time
of a variable . What I usually do is run the command :-
- dmd -J. program.d
Then I inspect the program.o file using vi for presence of
compile-time constants and enums. I am
On Friday, 24 July 2015 at 18:55:26 UTC, Frank Pagliughi wrote:
So then, of course, I hope/wonder/assume that the pointer to
the heap is sufficient to keep the heap memory alive, and that
this would be OK from the GC perspective to do something like
this:
B* make_b_thing(int i) { cast(B*) n
On Friday, 24 July 2015 at 21:51:44 UTC, Frank Pagliughi wrote:
So then: is there a pointer notation to which you can cast the
"B" reference, which thus points to the heap, but retains type
identity of the heap object?
There's no straight forward way to do that. D has no types for
the actual
On Sunday, 26 July 2015 at 11:38:31 UTC, simendsjo wrote:
Is there a reason why you would hide the fact that a function
is trusted rather than safe? Technically it doesn't matter,
right? To me, it seems like this would give wrong assumptions
to the caller.
The reason I ask is because I found
On Monday, 27 July 2015 at 12:03:06 UTC, Vlad Leberstein wrote:
Hi! My use case requires interaction with C API which in turn
implies storing object instance reference as void *. I'm using
gdc 4.9.2 and everything worked fine with "object -> void * ->
object" conversion, but "object -> void * -
On Monday, 27 July 2015 at 13:11:33 UTC, anonymous wrote:
In the first example, you pass a pointer to a class instance.
You cannot get the vtbl entry for the interface like this.
Instead try to do this in 2 steps:
actually i meant you pass an untyped pointer, so when you cast as
interface it'
On Monday, 27 July 2015 at 16:48:00 UTC, Alex wrote:
Okay. By pure trying I found out what I did wrong:
Apparently by typing Y I entered the shift key. Could that have
been the problem?
I changed it to a small y and it at least jumped back to the
commandline instead of just being stuck.
And
On Tuesday, 28 July 2015 at 16:09:46 UTC, Binarydepth wrote:
Here is what I'm trying to do :
import std.stdio : readf, writef;
void main() {
int[2][] nam;
int num;
readf(" %d", &num);
nam.length = num;
foreach(nim; 0..num){
readf("
On Tuesday, 28 July 2015 at 16:41:40 UTC, Binarydepth wrote:
It works with 2 as input but shows error when number is 3 :(
I can't reproduce that or I misunderstood something:
$ cat a.d
import std.stdio : readf, writef;
void main(){
int[2][] nam;
int num;
readf(" %
On Tuesday, 28 July 2015 at 21:12:13 UTC, Johan Engelen wrote:
Hi all,
I am wondering if there is any Phobos functionality for
indexing into a list using a type. What I mean is something
like:
assert( somethingie!(float, float, double, real)(1, 22, 333)
== 1 );
assert( somethingie!(dou
On Tuesday, 28 July 2015 at 22:52:31 UTC, Binarydepth wrote:
I'm reading the reference : http://dlang.org/arrays.html
And I'm declaring two dynamic arrays as I understand. What I
had in mind was declaring a dynamic array of two elements each.
int[2][] is exactly an dynamic array of (arrays wi
On Wednesday, 29 July 2015 at 17:59:26 UTC, Kyoji Klyden wrote:
How would I use a C function that's returning a struct? auto
doesn't work here, and from what I can tell D can't import C
headers. (If it really can't then, that would be a very welcome
feature)
I do have the required libs but I
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