On Thursday, 17 March 2016 at 14:12:38 UTC, Edwin van Leeuwen
wrote:
On Thursday, 17 March 2016 at 13:53:00 UTC, JR wrote:
Interesting, any idea if it is possible to do assignment
within template.. Either:
printVars!(int abc=5,string def="58")();
or something like
On Saturday, 19 March 2016 at 18:36:10 UTC, ric maicle wrote:
I got an error message with the following code saying:
Error: no property 'length' for type 'int[string]'
Shouldn't the error message say 'length()'?
~~~
import std.stdio;
void main() {
int[string] a;
a["one"] = 1;
On Saturday, 19 March 2016 at 17:41:29 UTC, Lass Safin wrote:
On Saturday, 19 March 2016 at 17:40:27 UTC, Lass Safin wrote:
Why:
enum Base {
A,
B,
}
enum Derived : Base {
C, // Gives error, says it can't implicitly convert
expression to Base.
D = 1, // Same error
E =
On Thursday, 17 March 2016 at 11:52:13 UTC, Edwin van Leeuwen
wrote:
On Wednesday, 16 March 2016 at 20:53:42 UTC, JR wrote:
void printVars(Args...)()
if (Args.length > 0)
{
import std.stdio : writefln;
foreach (i, arg; Args) {
writefln("%s\t%s:\t%s", typeof(Args[i]).stringof,
On Wednesday, 16 March 2016 at 20:24:38 UTC, data pulverizer
wrote:
Hi D gurus,
is there a way to obtain parameter names within the function
body? I am particularly interested in variadic functions.
Something like:
void myfun(T...)(T x){
foreach(i, arg; x)
writeln(i, " : ",
On Wednesday, 16 March 2016 at 20:43:09 UTC, jkpl wrote:
I try to anticipate the reason why you want this. [...]
I use something *kinda* sort of similar in my toy project to
print all fields of a struct, for debugging purposes when stuff
goes wrong. Getting the names of the member variables
On Sunday, 13 March 2016 at 20:13:03 UTC, Basile B. wrote:
On Sunday, 13 March 2016 at 20:10:57 UTC, Basile B. wrote:
[...]
Basile beat me to it. Yes, ref const(Array!T) accessor.
http://dpaste.dzfl.pl/cb2bc5cf9917
On Friday, 4 March 2016 at 14:16:55 UTC, Minas Mina wrote:
On Friday, 4 March 2016 at 13:53:22 UTC, aki wrote:
I think what you can do is extract its contents to an array,
iterate it and modify it as you like, and then insert back to
another associative array. I don't think it's efficient but
Unsure where else to post this, since it feels like it would
intrude on the more serious discussions in the main D forum.
The new forum design is overall great, but it really doesn't work
well on mobile devices. Coupled with field padding the font is
simply too large. (This holds for the
On Saturday, 12 December 2015 at 12:43:36 UTC, SimonN wrote:
DMD v2.069.2-b1 on Linux.
import std.algorithm;
int a = max(5, 6);// works, a == 6
int b = max!(int, int)(5, 6); // works, manual instantiation
int c = 5.max(6); // works, UFCS call
I would
On Friday, 4 December 2015 at 14:06:26 UTC, Alex wrote:
[...]
hoping it would be faster. This was not the case. Why?
[...]
Is there anything else to improve performance significantly?
Profile. Profile profile profile. Callgrind. Find bottlenecks
instead of guessing them.
On Tuesday, 3 November 2015 at 23:16:59 UTC, bertg wrote:
Running the following code I get 3 different tid's, multiple
"sock in" messages printed, but no receives. I am supposed to
get a "received!" for each "sock in", but I am getting hung up
on "receiving...".
[...]
while (true)
On Wednesday, 4 November 2015 at 16:49:59 UTC, JR wrote:
[...]
And my indentation and brace-balancing there is wrong. Shows how
dependent I've become on syntax highlighting.
import core.time;
import std.concurrency;
bool received = receiveTimeout(1.seconds,
I was chatting with a friend and showed him how printf(%s)
printed random memory in C, whereas writefln(%s) in D threw an
Exception upon execution. It's probably not a completely fair
comparison but that's a different topic.
I admit to being confused as to why it passed compilation at all
in
On Sunday, 16 November 2014 at 14:16:55 UTC, Artem Tarasov wrote:
writefln(%(%s-%), [a, b, c]) doesn't print the intended
a-b-c but surrounds each string with double quotes -
a-b-c, which I find inconsistent with the fact that
writefln(%s, a string) prints the string without any quotes.
How
On Sunday, 12 October 2014 at 19:46:41 UTC, ketmar via
Digitalmars-d-learn wrote:
Hello.
please, how to call template constructor of a class? it's
completely
escaped my mind. i.e. i have this class:
class A {
this(alias ent) (string name) {
...
}
}
and i want to do:
On Wednesday, 3 September 2014 at 05:18:42 UTC, Jason den Dulk
wrote:
[...]
While not really answering your question, I believe the idiomatic
way is to use enum here instead of string/char[].
Conjecture: strings are final but the symbol can be redirected to
point to new arrays, such as
Is there a big reason why Appender.put doesn't return this?
http://dpaste.dzfl.pl/bb840e3e349e
It would allow for convenient chaining. :
On Tuesday, 15 July 2014 at 09:24:14 UTC, Vic wrote:
To illustrate point on D complexity:
https://d262ilb51hltx0.cloudfront.net/max/800/1*_gRpHqzB-1zbG17jdxGPaQ.png
It appears that it mission is to be Java, vs a system lang.
hth
Maybe I misunderstand the term, but it seems to me that a
On Tuesday, 15 July 2014 at 16:56:27 UTC, Russel Winder via
Digitalmars-d wrote:
Funny how when people send big smiles, they always mention D?
:-D
:D
D:
On Thursday, 10 July 2014 at 19:33:15 UTC, simendsjo wrote:
On 07/10/2014 06:05 PM, Alexandre wrote:
I have a string X and I need to insert a char in that string...
auto X = 100;
And I need to inser a ',' in position 3 of this string..., I
try to use
the array.insertInPlace,
On Monday, 7 July 2014 at 23:47:26 UTC, Aerolite wrote:
So, if you would be so kind, give me a bullet list of the
aspects of D you believe to be good, awesome, bad, and/or ugly.
If you have the time, some code examples wouldn't go amiss
either! Try not to go in-depth to weird edge cases -
On Tuesday, 8 July 2014 at 07:11:26 UTC, Stephan Schiffels wrote:
Hi,
I am using dmd with version: DMD64 D Compiler
v2.065-devel-db2a73d
My program throws a custom exception with a custom error
message at some point. The stack trace (below) is very
uninformative. Is there a way to output
On Monday, 7 July 2014 at 21:32:30 UTC, JD wrote:
I'm using a compile time regex to find some tags in an input
string. Is it possible to capture the offset of the matches in
some way? Otherwise I have to calculate the offsets myself by
iterating over the results of matchAll.
Thanks,
Jeroen
I
On Monday, 30 June 2014 at 17:01:07 UTC, Walter Bright wrote:
2. My business accounts have no notion of fractional cents, so
there's no reason to confuse the bookkeeping with them.
.1 BTC
On Friday, 20 June 2014 at 15:24:38 UTC, bearophile wrote:
If I add this import in Noise2DContext.getGradients the
run-time decreases a lot (I am now just two times slower than
gcc with -Ofast):
import core.stdc.math: floor;
Bye,
bearophile
Was just about to post that if I cheat and
On Thursday, 12 June 2014 at 16:59:34 UTC, bearophile wrote:
Nick Treleaven:
there is also this usage:
foreach (i, _; range){...}
I think this is a very uncommon usage. I think I have not used
it so far.
Would enforcing immutability there be a breaking change?
foreach (/*immutable*/
On Monday, 9 June 2014 at 20:37:57 UTC, Andrei Alexandrescu wrote:
On 6/9/14, 12:56 PM, Justin Whear wrote:
On Mon, 09 Jun 2014 12:18:08 -0700, Andrei Alexandrescu wrote:
Hello,
Someone at DConf left me a pair of handmade socks to pass to
a coworker
whom they didn't get to meet. I forgot
On Tuesday, 10 June 2014 at 20:52:27 UTC, Walter Bright wrote:
On 6/10/2014 1:18 AM, JR wrote:
Missed opportunity to use std.socks.assumeMine and netting
yourself an extra
pair...
The trouble with the socks datatype is the destructor is
randomly run on only one of each pair.
Sock[2]
On Sunday, 8 June 2014 at 08:44:42 UTC, monarch_dodra wrote: of.
If you want to use a bad algorithm, you could also go for
bogosort:
void main() {
auto data = [2, 7, 4, 3, 5, 1, 0, 9, 8, 6, -1];
while (!isSorted(data))
randomShuffle(data);
data.writeln;
}
I'm partial to
On Thursday, 29 May 2014 at 08:50:38 UTC, Chris wrote:
On Wednesday, 28 May 2014 at 22:48:22 UTC, Jonathan M Davis via
Digitalmars-d wrote:
Is this the first attempt at D Version 3? :-)
Compiles to only ELF/DWARF headers!
On Thursday, 15 May 2014 at 18:15:46 UTC, Charles Hixson via
Digitalmars-d-learn wrote:
Duration can be specified in nanoseconds, but does it make any
sense
to have a value of 1 nanosecond? 0?
My desire is to check whether a message is in the queue, and
then
either move it local to the
On Monday, 12 May 2014 at 07:21:39 UTC, Dicebot wrote:
Will that also mean that we won't need to wait several months
for all videos to be published? :)
This is an interesting point. If memory serves last time one
video was released per week, meaning that reddit/hn readers could
properly
Given that...
1. importing a module makes it compile the entirety of it, as
well as whatever it may be importing in turn
2. templates are only compiled if instantiated
3. the new package.d functionality
...is there a reason *not* to make every single
function/struct/class separate submodules
On Monday, 12 May 2014 at 09:16:53 UTC, Jonathan M Davis via
Digitalmars-d-learn wrote:
Well, that would be a lot of extraneous files, which would be
very messy IMHO.
It also makes it much harder to share private functionality,
because
everything is scattered across modules - you'd be force to
On Monday, 5 May 2014 at 15:01:05 UTC, Andrei Alexandrescu wrote:
On 5/5/14, 2:32 AM, JR wrote:
On Sunday, 4 May 2014 at 21:18:24 UTC, Daniele M. wrote:
And then comes my next question: except for that malloc-hack,
would it
have been possible to write it in @safe D? I guess that if
not,
On Tuesday, 6 May 2014 at 09:43:10 UTC, FrankLike wrote:
Hi,everyone,
I find the The writeln() function's args can't be [一 ,二]?
why?
Thank you.
Frank.
The problem is that you have a wide-character comma (,) there.
This works:
void main() {
writeln([一, 二]);
}
On Sunday, 4 May 2014 at 21:18:24 UTC, Daniele M. wrote:
And then comes my next question: except for that malloc-hack,
would it have been possible to write it in @safe D? I guess
that if not, module(s) could have been made un-@safe. Not
saying that a similar separation of concerns was not
I'm trying to impose limits upon myself to, well, learn.
Currently I'm exploring ways to avoid allocations -- but my
program is running in three threads with considerable amounts of
message passing between them.
Unless I'm misinterpreting my callgraph,
std.concurrency.MessageBox contains a
On Sunday, 20 April 2014 at 12:53:11 UTC, steven kladitis wrote:
Note sure if you can edit messages once sent.
$13,456.67
245,678,541
On Sunday, 20 April 2014 at 12:50:52 UTC, steven kladitis wrote:
How do you format numbers to have things like.
Leading $ or , or CR with or without leading
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