In the off chance that some of you are running a Mac and using
CodeRunner to play around with D, I cooked up the files you need
for CodeRunner to highlight D's syntax:
https://github.com/jniehus/Dlang-for-CodeRunner
Hello,
I dont understand the following snippet's output:
import std.stdio, std.traits;
void main() {
writeln(isSomeFunction!(writeln));
writeln(isCallable!(writeln));
writeln(Yes I am...);
}
/* OUTPUT */
false
false
Yes I am...
If 'writeln' isn't a method/function and it's not
On Tuesday, 28 February 2012 at 06:10:11 UTC, Jesse Phillips
wrote:
It is a template.
I see, thanks.
And I bet its not possible to figure out if a template is a
function template or a class template etc...
On Monday, 20 February 2012 at 11:18:34 UTC, Tyro[a.c.edwards]
wrote:
...
and I doubt you want me to put all of what dmd -v spits out
for this little script.
Thanks,
Andrew
Hi Andrew,
I ran into this problem as well and here is how I fixed/hacked it:
OSX Lion, and soon to be Mountain
On Friday, 16 March 2012 at 08:34:18 UTC, Dmitry Olshansky wrote:
Ehm, because they have different engines that _should_ give
identical results. And the default one apparently has a bug,
that I'm looking into.
Fill the bug report plz.
Ok, submitted: id 7718
Thanks,
Josh
Is the following snippet a bug?
---
import core.thread;
import std.stdio, std.concurrency;
void foo(Tid tid) {
send(tid, true);
}
void main() {
auto fooTid = spawn(foo, thisTid);
auto receiveInt = receiveTimeout(dur!seconds(10), (int
isInt) {
writeln(I should not be
On Thursday, 18 October 2012 at 17:33:04 UTC, cal wrote:
I can't see the bug? The receiver accepts a bool as an int,
same way a normal function does. The timeout is long enough
that foo gets a chance to send. If you want to stop the int
receiver getting a bool, you could add another receiver
On Thursday, 22 November 2012 at 15:47:11 UTC, Frederik Vagner
wrote:
I am trying to make a templated class to accept any numeric
type:
class example(Type) if (isNumeric(Type))
{
Type k = to!Type(1);
}
however I always get a compiler erro stating I cannot make that
conversion.
On Friday, 23 November 2012 at 12:39:59 UTC, Frederik Vagner
wrote:
Now do it for complex number please ^^
touche!
import std.stdio, std.conv, std.traits, std.complex;
template isComplexNumeric(T)
{
static if(is(NumericTypeOf!T)) {
enum bool isComplexNumeric =
On Friday, 23 November 2012 at 16:11:25 UTC, Joshua Niehus wrote:
A bit messy, but im sure there is some room for cleanup
somewhere...
Errata... (what i get for copy/pasting)
import std.stdio, std.conv, std.traits, std.complex;
template isComplexNumeric(T)
{
static if(isNumeric!T
meh, couldn't resist:
import std.stdio, std.conv, std.traits, std.complex;
template isComplex(T)
{
static if (is(T == Complex!double))
{
enum bool isComplex = true;
}
else static if (is(T == Complex!float))
{
enum bool isComplex = true;
}
else static
On Friday, 23 November 2012 at 18:45:53 UTC, Artur Skawina wrote:
template isComplex(T) {
static if (is(T _ == Complex!CT, CT))
enum isComplex = true;
else
enum isComplex = false;
}
artur
oh wow didnt know u could do that. much nicer.
On Saturday, 24 November 2012 at 07:27:18 UTC, Philippe Sigaud
wrote:
It's an is() expression (you cited my tutorial, there is an
appendix on
it). It recently became even more powerful, so the tutorial is
not accurate
any more.
its time for another read through:)
Template constraints might
On Tuesday, 27 November 2012 at 19:40:56 UTC, Charles Hixson
wrote:
Is there a better way to do this? (I want to find files that
match any of some extensions and don't match any of several
other strings, or are not in some directories.):
import std.file;
...
string exts =
On Tuesday, 27 November 2012 at 23:43:43 UTC, Charles Hixson
wrote:
But why the chained filters, rather than using the option
provided by dirEntries for one of them? Is it faster? Just
the way you usually do things? (Which I accept as a legitimate
answer. I can see that that approach would
On Friday, 30 November 2012 at 01:57:21 UTC, Dan wrote:
That will do the filtering correctly - but what I was hoping
was to actually prune at the directory level and not drill down
to the files in of an unwanted directory (e.g. .git). The
problem with this and what I'm trying to overcome is
On Friday, 30 November 2012 at 06:29:01 UTC, Joshua Niehus wrote:
I think if you go breadth first, you can filter out the
unwanted directories before it delves into them
oh wait... it probably still looks through all those dir's.
What about this?
import std.algorithm, std.regex, std.stdio
On Friday, 30 November 2012 at 12:02:51 UTC, Dan wrote:
Good idea, thanks. I could not get original to compile as is -
but the concept is just what was needed. I got an error on line
8:
Error: not a property dirEntries(path, cast(SpanMode)0,
true).filter!(__lambda2)
I'm using a quite recent
On Friday, 21 December 2012 at 17:01:14 UTC, monarch_dodra wrote:
There are a lot of algorithms in std.algorithm that operate on
foo(Range, Needles...)(Range range, Needles needles).
Needles can be anything, in particular, either an element or
a range.
The thing is that every now and then,
Is it possible to create a shared signal class?
I would like to create a shared signal class so some other
process that knows certain things can come along emit its info to
any observer:
import std.stdio, std.signals;
class Observer {
void watch(string msg) {
writeln(msg);
}
On Wednesday, 23 January 2013 at 07:11:59 UTC, Joshua Niehus
wrote:
Is it possible to create a shared signal class?
oh god... dont tell me __gshared !
Think i answered my own question, it got me to the next step.
going to have to read through those giant shared threads again
http://d.puremagic.com/issues/show_bug.cgi?id=10710
Does anyone know if there is there a workaround for this issue?
Unfortunately Im stuck with fedora and cant jump to another OS...
Thanks
On Friday, 27 September 2013 at 16:52:49 UTC, Dicebot wrote:
Simply building dmd/phobos from git tag should result in proper
linkage.
Nothing is ever simple with me :)
Thanks Dejan and Dicebot
Hello,
I am trying to compile code which is composed of two modules (in the same
directory):
main.d
foo.d
foo.d just declares a class Foo which has a string variable bar which i
set to hello and main.d just prints bar's value to the console:
// - main.d ---
import std.stdio,
, please edit your Subject line so it is more specific
than Re: Contents of Digitalmars-d-learn digest...
Today's Topics:
1. dmd vs rdmd (Joshua Niehus)
2. Re: dmd vs rdmd (Jonathan M Davis)
3. Re: dmd vs rdmd (Andrej Mitrovic)
4. char[] to string (Jonathan Sternberg)
5. Re: char
I'm trying to create 2 extra method for arrays (range would be
better, though I don't quite understand what is a range)
Although I have some indecipherable (to me) compiler error...
What's wrong with the code below?
==
import std.algorithm;
public:
void remove(T)(ref T[]
Hello,
I apologize if this is the wrong forum to post this question, but I couldn't
find a corresponding learn mailing list for DMDScript.
I wanted to play around with DMDScript but cant seem to get started. I
downloaded the source and attempted to make it via:
$ make -f osx.mak
But I get
Hi Robert and Dmitry,
Thanks for your replies and the heads up on the current status of DMDScript!
Josh
Hello,
I was trying to run the example on the Interfacing to C page (
http://www.d-programming-language.org/interfaceToC.html) and ran into few
issues. To get it to work as is i was .dup(ing) strings into new chars
with defined size and passing those with .ptr. Anyway it seemed like quite a
bit
Hello,
I am running a script that creates a file which lists all the folders in a
directory:
foreach (string name; dirEntries(/Users/josh/, SpanMode.shallow)) {
append(/Users/dirList.txt, name ~ \n);
}
But it seems to stop appending after 255 lines (this particular folder has
@Kagamin
What if
foreach(i;0..512) {
append(/Users/dirList.txt, text(line ,i,'\n'));
}
That works, but I misrepresented the problem and found that the following
may be the issue (this looks more like the code im using):
import std.conv, std.stdio;
void main()
{
string[] strArr;
Hello,
I need to connect to a network location and read a file but I also need
some way of waiting around until the connection is established. Currently
I use the following snippet to do this:
while (!std.file.exists(/Volumes/mountedDir/myfile.txt) timeout 30)
{
FYI:
If anyone is using GitHub's text editor Atom and would like
basic D syntax highlighting:
apm init --package ~/.atom/packages/language-d --convert
https://github.com/textmate/d.tmbundle
https://atom.io/docs/v0.94.0/converting-a-text-mate-bundle
Hi Charles,
would the following work (just a shot in the dark) ?
//---
module test;
import std.stdio;
import std.concurrency;
void spawnedFuncFoo(Tid tid, Tid tidBar) {
receive(
(int i) {
writeln(Foo Received the number , i);
send(tidBar, i, thisTid);
trying to follow:
http://ddili.org/ders/d.en/class.html
//--- OSX 10.9 DMD 2.065
module test;
class Foo {
int num;
this(int num) {
this.num = num;
}
Foo dup() const {
return new Foo(this.num);
}
immutable(Foo) idup() const {
return new
On Friday, 16 May 2014 at 20:36:37 UTC, Ali Çehreli wrote:
My apologies. The code was written for an older version of dmd.
The simplest fix is to define the constructor as pure:
pure this(int num) {
this.num = num;
}
Ali
Ahh great thanks guys.
No worries Ali, great
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