On 12/16/2010 02:16 PM, d coder wrote:
Greetings
I need a way to know (using traits or other compile time constructs)
all the types derived from a given type.
Is it possible in D?
Is it possible to get a list of all the user-defined classes? I could
use that to filter out the classes that I nee
On 12/13/2010 09:45 PM, Heywood Floyd wrote:
Good Evening from Berlin!
Have been reading the chapter about concurrency by Andrei. Nice.
I have some questions, of varying quality, I'm sure.
Let's say that we have some sort of structure of rather complex data. To give
us something concrete to
On 12/09/2010 10:53 PM, Trass3r wrote:
It was quite hard to track that one down.
In the following example the import statement was mixed into the class
among other code so it wasn't as obvious as here.
import std.traits;
class Foo
{
import std.string;
static assert(isNumeric!int);
}
foo.d(6):
On 12/02/2010 01:07 PM, spir wrote:
Hello,
Is there an equivalent of 'in' for (non-associative) arrays? Cannot find any
'contains' function.
(Wouldn't it be nice to have in work for all arrays? What is the reason why it
only works with AAs?)
Denis
-- -- -- -- -- -- --
vit esse estrany ☣
spir
On 12/02/2010 09:05 AM, vincent picaud wrote:
Matthias Pleh Wrote:
Thank you for your reply and yes that works :)
Now i m facing with the following problem, what is the trick for input stream ?
( something like
std::istream& operator>>(std::istream& in,A& a)
{
// A.someData<<
On 11/22/2010 08:18 PM, spir wrote:
Hello,
Let us say I have a parsing library. Now, I want to define parsers in
stand-alone modules -- for code structuration and reusability. Then, import
them from apps that need them.
Is there another way than defining the parser (== list of patterns) at the
On 11/22/2010 04:12 PM, Simen kjaeraas wrote:
spir wrote:
On Sun, 21 Nov 2010 20:21:14 -0500
bearophile wrote:
If in a D2 program I have an array of mutable items I may want to
iterate on them but not modify them, so I'd like the iteration
variable to be const. This is possible, but it seem
On 11/12/2010 02:03 PM, Steven Schveighoffer wrote:
Pelle, I spent all this time helping him, and you swoop in with the
answer :)
I was in a rush when answering, causing the swoopiness of my post. :-)
I only knew the answer because I had almost exactly the same bug a week
ago, or so. Coincid
On 11/11/2010 10:15 PM, spir wrote:
Well, since the pattern is OK _after_ call to Tuple's constructor (which does
nothing more than recording its sub-patterns, see below) and only gets wrong
when qutting this(), I fail to see how Tuple could be cause of anything. Also,
the corruption is visib
On 03/20/2010 01:58 AM, Paul D. Anderson wrote:
I created a struct, call it "S", and some functions that operate on S. But I'm
confused about when const is useful.
Being an old Java programmer, I use 'const' the same as I used 'final' in Java.
So most of my functions look like this:
S for(con
On 03/18/2010 05:43 PM, Paul D. Anderson wrote:
If I'm implementing a struct and want to provide for duplication, is there a
standard way to implement this?
Here's an example:
//---
struct S {
// members of the struct -- three integer values
int a;
On 03/11/2010 10:44 PM, bearophile wrote:
As far as I know, it's "enum" that has that purpose.
Oh, but they are not the same. enum declares a constant, whereas static
declares a variable. A static global is still mutable.
Thank you for your answers,
bearophile
Why thank you!
On 03/11/2010 10:20 PM, bearophile wrote:
While looking for possible attribute problems to add to Bugzilla, I have seen
the following D2 program compiles and runs with no errors or warnings:
static foo1() {}
static does not apply to free functions, I would guess this means the
same as auto.
On 03/11/2010 06:22 PM, bearophile wrote:
While trying to create a safe int, I have found a problem, this is reduced code:
struct Foo {
int x;
static Foo opAssign(int value) { return Foo(value); }
}
void main() {
Foo y = 0;
}
The compiler prints:
test.d(6): Error: cannot implici
On 03/05/2010 07:50 PM, bearophile wrote:
div0:
putting it in Foo simply puts it in a namespace.<
So my (wrong) idea of immutable applied to a struct was that every thing in
such namespace becomes immutable (I think this is a bit more intuitive).
What do you think of modifying D2 so in a sit
On 02/28/2010 09:16 PM, Ellery Newcomer wrote:
Hello
The impetus:
I agree, except I more and more think that scope classes were a
mistake. Structs with destructors are a much better solution, and
wrapping a class inside a struct would give it RAII semantics.
The problem:
In designing a libr
On 02/16/2010 08:09 PM, Funog wrote:
Is it possible to run an external .exe and have access to its standard
input/output? Apparently std.process does not allow this.
You'll want to choose either the input or the output stream, otherwise
you might get eaten by a deadlock.
On 02/08/2010 01:48 PM, Trass3r wrote:
Why isn't == used to compare the struct members in the code above? I
mean, if I compare the structs with == it could also use == to compare
the members. If I use "is" to compare the structs it could use "is" to
compare them members.
Structs are compared *b
On 01/28/2010 02:32 AM, strtr wrote:
Personally, I use (D1)std2.conv a lot to get values from strings and thus would
love the following default behaviour for all types:
int i = "0"; // i = 0
i = cast( int ) "0"; // i = 48 ( If I read the utf8 table correctly )
What keeps this from being the ca
On 01/26/2010 01:02 AM, Nick Sabalausky wrote:
"strtr" wrote in message
news:hjd6t1$be...@digitalmars.com...
This may be is a very basic question, but is there a way to let me omit a
repeating variable when doing multiple boolean operations?
if ( var == a || var == b || var == c || var == d)
i
On 01/25/2010 04:02 PM, strtr wrote:
Stanislav Blinov Wrote:
Pelle M�nsson wrote:
I'm in need for a timer library that measures the acutal time. I have
tried std.c.time's clock(), but it only measures time spent inside the
program, not actual time elapsed.
I need at least millisecond resoluti
On 01/25/2010 10:28 AM, Simen kjaeraas wrote:
On Mon, 25 Jan 2010 09:59:42 +0100, Pelle Månsson
wrote:
On 01/23/2010 12:29 AM, strtr wrote:
Simen kjaeraas Wrote:
Not tested, but they should work:
if ( anySame( var, a, b, c, d ) ) {
}
if ( allSame( var, a, b, c, d ) ) {
}
A lot
I'm in need for a timer library that measures the acutal time. I have
tried std.c.time's clock(), but it only measures time spent inside the
program, not actual time elapsed.
I need at least millisecond resolution, so std.c.time.time() is not an
option.
I wonder, is there a good library for
On 01/23/2010 12:29 AM, strtr wrote:
Simen kjaeraas Wrote:
Not tested, but they should work:
if ( anySame( var, a, b, c, d ) ) {
}
if ( allSame( var, a, b, c, d ) ) {
}
A lot prettier.
I thought there would be a generic (basic) solution to this which I just didn't
know about but maybe I
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