On Thursday, 28 February 2013 at 04:50:34 UTC, Andrej Mitrovic
wrote:
On 2/28/13, Chris Cain wrote:
Map in std.algorithm doesn't really work like that. Many
languages use "map" to mean hashing items, but "map" in
functional programming (and D) really means something more like
"apply this functi
On 2/28/13, Chris Cain wrote:
> Map in std.algorithm doesn't really work like that. Many
> languages use "map" to mean hashing items, but "map" in
> functional programming (and D) really means something more like
> "apply this function to each item."
I know that, I was expecting it to work with m
On 2/28/13, Andrej Mitrovic wrote:
> foreach (x; r2)
> writeln(r2); // prints "[[1:2], [3:4]]" twice, why?
Oh dumb me I'm priting r2 instead of x, my bad.
On 2/28/13, Jonathan M Davis wrote:
> You'd need to wrap them in a single range of pairs with something like zip.
I'm not exactly sure how to do that though. Just using zip in the
argument place won't work.
I've tried to create my own range, but I'm having issues:
import std.string;
import std.
On Wednesday, 27 February 2013 at 10:56:16 UTC, Lubos Pintes
wrote:
Hi,
I would like to transparently convert from ANSI to UTF-8 when
dealing with text files. For example here in Slovakia,
virtually every text file is in Windows-1250. If someone opens
a text file, he or she expects that it wil
On Thursday, 28 February 2013 at 03:59:16 UTC, Andrej Mitrovic
wrote:
void main()
{
auto r = map!((a, b) => [a : b])([1, 3], [2, 4]);
assert(r[0] == [1 : 2]);
assert(r[1] == [3 : 4]);
}
Map in std.algorithm doesn't really work like that. Many
languages use "map" to mean hashing ite
On Thursday, February 28, 2013 04:56:48 Andrej Mitrovic wrote:
> import std.algorithm;
> import std.range;
>
> void main()
> {
> auto r = map!((a, b) => [a : b])(["foo"], ["bar"]); // error
> assert(r.front == ["foo" : "bar"]);
> }
>
> This doesn't compile, what am I missing?
Map only w
On 2/28/13, Andrej Mitrovic wrote:
> import std.algorithm;
> import std.range;
>
> void main()
> {
> auto r = map!((a, b) => [a : b])(["foo"], ["bar"]); // error
> assert(r.front == ["foo" : "bar"]);
> }
>
> This doesn't compile, what am I missing?
>
A more clearer example:
void main()
On Thursday, 28 February 2013 at 00:44:58 UTC, bearophile wrote:
Chris Cain:
I'm playing around with some things and if I come up
with a solution in code, I'll post it.
If you have some useful idea then please add it to the ER
itself:
http://d.puremagic.com/issues/show_bug.cgi?id=9611
Bye,
On Thursday, 28 February 2013 at 01:01:16 UTC, Chris Cain wrote:
I'll post this to the ER as well, but here you go :)
https://gist.github.com/Zshazz/c4da4c3e0099062ab7e5
And upon reading the ER, I see that this is (essentially) the
solution it had. *doh* And I thought I was being pretty cleve
Chris Cain:
I'm playing around with some things and if I come up
with a solution in code, I'll post it.
If you have some useful idea then please add it to the ER itself:
http://d.puremagic.com/issues/show_bug.cgi?id=9611
Bye,
bearophile
A possible idea is to translate this last Python version to D:
http://rosettacode.org/wiki/Hamming_numbers#Cyclic_generator_method_.232.
- - - - - - - - - - - -
Another idea is to add a D version of Merge Sort that works with
just a Input Range (like a single linked list, as a SList):
http://
On Wednesday, 27 February 2013 at 23:54:31 UTC, Chris Cain wrote:
I'm not sure how common the use case is, but I think it'd be
fairly easy to support.
Just internally have an array of indices to the tuple and use
the heap with a less defined like "myTup[a] < myTup[b]" to use
the indices to lo
Jonathan M Davis:
Because then it more closely matches how arrays work. The only
part that
doesn't is that it's fully tied to -release rather than
-noboundschecked.
I see, thank you.
Honestly, I think that that's a complete pipe dream anyway,
I will keep dreaming for some more decades. I
On Thursday, February 28, 2013 00:35:08 bearophile wrote:
> Jonathan M Davis:
> > What it should be doing is using version(assert) to throw a
> > RangeError if the
> > arguments are invalid, but the addition of version(assert) is
> > quite recent
> > (previously, the best that could have been done
On Thursday, February 28, 2013 00:46:56 bearophile wrote:
> > To do the same with user-defined structures time ago I have
> > suggested this, that is currently closed waiting for a better
>
> > solution:
> What I meant to say is that if the assert(i <= j) is inside the
> pre-condition then there's
On Wednesday, 27 February 2013 at 19:36:44 UTC, bearophile wrote:
But in some cases I'd like to merge different types of ranges,
that I can't put in an array. Is this use case worth supporting
(usually the number of ranges is small so for such use cases a
heap is not so needed)?
I'm not sure
To do the same with user-defined structures time ago I have
suggested this, that is currently closed waiting for a better
solution:
What I meant to say is that if the assert(i <= j) is inside the
pre-condition then there's a hope to run it at compile time
introducing some new trick inside the
auto opSlice(size_t i, size_t j)
in {
assert(i <= j, "some message here");
} body {
auto retval = this.save;
retval._index += i;
return takeExactly(retval, j - i);
}
This is the bug opened by Andrea Fontana for this thread:
http://d.puremagic.com/issues/show_bug.cgi?id=9612
At
Jonathan M Davis:
What it should be doing is using version(assert) to throw a
RangeError if the
arguments are invalid, but the addition of version(assert) is
quite recent
(previously, the best that could have been done was to assert).
Do you mean something like this?
auto opSlice(size_t i,
Andrea Fontana:
Done!
I was about to file it myself, so I have added a bit more meat to
your bug report.
Bye,
bearophile
On Wednesday, 27 February 2013 at 22:48:06 UTC, bearophile wrote:
Andrea Fontana:
writeln(iota(10).cycle()[5..2].take(4));
print:
[5, 6, 7, 8]
Shouldn't [5..2] slice throw a compile/runtime error?
Please file it in bugzilla.
The opSlice of cycle() lacks those pre-conditions or tests, and
On Wednesday, February 27, 2013 23:48:05 bearophile wrote:
> Andrea Fontana:
> > writeln(iota(10).cycle()[5..2].take(4));
> >
> > print:
> >
> > [5, 6, 7, 8]
> >
> >
> > Shouldn't [5..2] slice throw a compile/runtime error?
>
> Please file it in bugzilla.
>
> The opSlice of cycle() lacks thos
On 02/27/2013 03:02 PM, bearophile wrote:
If we add an overload of nWayUnion (better named nWayMerge:
http://d.puremagic.com/issues/show_bug.cgi?id=6718 ) then there's no
need to use inputRangeObject...
The question is how much common my use case (mixed type iterables) is.
I agree with you. E
Ali Çehreli:
It is not very pretty, but to match the elements of that array,
there is inputRangeObject:
OK.
Phobos could have a function so that the code could be cleaner.
A function that supports "treat these as InputRanges of ints":
nWayUnion(inputRanges(a, b, c));
But it is not th
Andrea Fontana:
writeln(iota(10).cycle()[5..2].take(4));
print:
[5, 6, 7, 8]
Shouldn't [5..2] slice throw a compile/runtime error?
Please file it in bugzilla.
The opSlice of cycle() lacks those pre-conditions or tests, and
there are not enough unittests in Phobos to catch this simple bug
This command:
writeln(iota(10).cycle()[5..2].take(4));
print:
[5, 6, 7, 8]
Shouldn't [5..2] slice throw a compile/runtime error?
On Wednesday, 27 February 2013 at 20:37:01 UTC, Lubos Pintes
wrote:
And what about the opposite way? I like how Python is
representing strings. Good when you want to partially inspect
something binary.
Dňa 27. 2. 2013 19:39 monarch_dodra wrote / napísal(a):
I have a text file, that contains te
Btw now I have actually noticed it is really bad and dirty, so
good to sometimes check your 2-year code. I think you can write
better one anyway, just an example of how small it can be.
I use this simple snippet to get quick and dirty key-value config:
---
string[string] data;
foreach( line; readText(filename).splitLines() )
{
auto config_pair = array(
filter!("a.length > 0")(
map!(strip)(
line.splitter("=")
)
)
);
Hi,
I was wondering what would be the most straightforward way to handle
settings files in D, currently?
Is there support for ini filesor something similar, or would I be better
off going with JSON or XML or similar?
BR
// Samuel
On 02/27/2013 11:36 AM, bearophile wrote:
> But in some cases I'd like to merge different types of ranges, that I
> can't put in an array. Is this use case worth supporting (usually the
> number of ranges is small so for such use cases a heap is not so needed)?
nWayUnion requires a range of rang
28-Feb-2013 00:35, Lubos Pintes пишет:
I don't understand the CTFE usage in this context. I thought about
something like
dchar[] windows_1250=[...];
Isn't this enough?
Thank
It's fine. What I've meant is if all you want to do is convert ANSI ->
UTF8 there is no need to convert to dchar and the
And what about the opposite way? I like how Python is representing
strings. Good when you want to partially inspect something binary.
Dňa 27. 2. 2013 19:39 monarch_dodra wrote / napísal(a):
I have a text file, that contains text with escaped characters, eg:
//
hello\tworld.
this line\ncont
I don't understand the CTFE usage in this context. I thought about
something like
dchar[] windows_1250=[...];
Isn't this enough?
Thank
Dňa 27. 2. 2013 18:32 Dmitry Olshansky wrote / napísal(a):
27-Feb-2013 16:20, monarch_dodra пишет:
On Wednesday, 27 February 2013 at 10:56:16 UTC, Lubos Pinte
On Wednesday, 27 February 2013 at 18:40:40 UTC, monarch_dodra
wrote:
On Wednesday, 27 February 2013 at 17:08:38 UTC, Alexandr
Druzhinin wrote:
27.02.2013 23:50, monarch_dodra пишет:
dmc seems to start choking when my font files start to reach
about 15 Mo.
I suppose there's a switch somewher
Currently std.algorithm.nWayUnion requires an array of ranges,
because it internally keeps them in a heap, to be fast when you
give it hundreds+ of ranges.
But in some cases I'd like to merge different types of ranges,
that I can't put in an array. Is this use case worth supporting
(usually t
Also C runtime can be statically compiled with your c/dll
library. You just need copy c dll and your d exe without
additional dependencies.
C dll can be prepared by visual c.
With Dmd you can use dmc directly.
Second way is: you can compile your code as dll library and then
create import library with implib utility for win32, for win64 a
import library can be used directly.
First way works good, but I prefer second one.
Both approaches for win32 and win64 works go
On Wednesday, 27 February 2013 at 17:08:38 UTC, Alexandr
Druzhinin wrote:
27.02.2013 23:50, monarch_dodra пишет:
dmc seems to start choking when my font files start to reach
about 15 Mo.
I suppose there's a switch somewhere, but I've never used dmc
before, so
all the switches are unknown to
I have a text file, that contains text with escaped characters,
eg:
//
hello\tworld.
this line\ncontains a break.
and this one a\x20binary character.
and this one\u0020an escaped unicode.
//
The idea is that once parse line by line, I want 4 strings (1 for
each line), but with the esca
On 27/02/2013 18:06, Dicebot wrote:
Ye, lambda litteral issue is different one.
OK.
My code example: http://dpaste.1azy.net/b06370ea
The problem may be related to optional parentheses and stringof, and may
be a compiler bug.
You can pass function names as a template alias parameter:
imp
Fuck. Optional. Parens.
Thank you. I have tried some other code than .stringof but guess
it invoked Symbols somewhere silently, too.
On 02/26/2013 04:24 PM, Ben Davis wrote:
On 26/02/2013 06:21, Charles Hixson wrote:
On 02/24/2013 05:39 PM, H. S. Teoh wrote:
On Sun, Feb 24, 2013 at 03:14:01PM -0800, Charles Hixson wrote:
Given a struct with:
~this()
{ close(); }
void close()
{ if (currentKey !is null) currentKey = null;
i
Ye, lambda litteral issue is different one.
My code example: http://dpaste.1azy.net/b06370ea
On 27/02/2013 17:38, Nick Treleaven wrote:
On 27/02/2013 15:20, Dicebot wrote:
Looking here: http://dlang.org/template.html#TemplateAliasParameter
There are no function symbols in the list. And quick check that it won't
compile.
Two questions arise:
a) Why so?
b) Is there a workaround?
Actua
On 27/02/2013 15:20, Dicebot wrote:
Looking here: http://dlang.org/template.html#TemplateAliasParameter
There are no function symbols in the list. And quick check that it won't
compile.
Two questions arise:
a) Why so?
b) Is there a workaround?
This has sometimes come up in the NG, with some s
27-Feb-2013 16:20, monarch_dodra пишет:
On Wednesday, 27 February 2013 at 10:56:16 UTC, Lubos Pintes wrote:
Hi,
I would like to transparently convert from ANSI to UTF-8 when dealing
with text files. For example here in Slovakia, virtually every text
file is in Windows-1250.
If someone opens a te
Actually it looks like a somewhat broken behavior as it works for
parameter-less functions.
27.02.2013 23:50, monarch_dodra пишет:
dmc seems to start choking when my font files start to reach about 15 Mo.
I suppose there's a switch somewhere, but I've never used dmc before, so
all the switches are unknown to me. I guess I'll just have to learn
(anybody know?).
If worst comes to worst
27.02.2013 23:12, monarch_dodra пишет:
I can't seem to get the executable to link correctly.
I'm using gcc and dmd on windows.
I'm building foo.c with:
gcc -c foo.c -o foo.obj
Then I build my exe with:
dmd foo.obj main.d
But I get:
OPTLINK (R) for Win32 Release 8.00.12
Copyright (C) Digital
On Wednesday, 27 February 2013 at 16:37:06 UTC, Alexandr
Druzhinin wrote:
27.02.2013 23:12, monarch_dodra пишет:
I can't seem to get the executable to link correctly.
I'm using gcc and dmd on windows.
I'm building foo.c with:
gcc -c foo.c -o foo.obj
Then I build my exe with:
dmd foo.obj main.
On Wednesday, 27 February 2013 at 16:20:43 UTC, Andrej Mitrovic
wrote:
On Wednesday, 27 February 2013 at 16:12:13 UTC, monarch_dodra
wrote:
I'm trying to get the hello world of cross compiling working:
The short story is you can't link GCC and DMD object files on
win32 because DMD emits OMF,
On Wednesday, 27 February 2013 at 16:12:13 UTC, monarch_dodra
wrote:
I'm trying to get the hello world of cross compiling working:
The short story is you can't link GCC and DMD object files on
win32 because DMD emits OMF, GCC emits COFF, these are
incompatible.
You might want to read this:
I'm trying to get the hello world of cross compiling working:
main.d
//
extern (C) void foo();
void main()
{
foo();
}
//
foo.c
//
#include
void foo()
{
printf("hello world");
}
//
I can't seem to get the executable to link correctly.
I'm using gcc and dmd on windows.
I
On Wednesday, 27 February 2013 at 10:56:16 UTC, Lubos Pintes
wrote:
Hi,
I would like to transparently convert from ANSI to UTF-8 when
dealing with text files. For example here in Slovakia,
virtually every text file is in Windows-1250.
If someone opens a text file, he or she expects that it will
On 2013-02-27 12:47, FG wrote:
On 2013-02-26 15:10, bearophile wrote:
This third version is much simpler and it seems good enough for
Rosettacode:
http://codepad.org/YJjb1t91
Nice. Myself I'd add bits.reverse; after the N.iota.map..., because I'm more
used to a truth table where the left-most
On 2013-02-26 15:10, bearophile wrote:
This third version is much simpler and it seems good enough for
Rosettacode:
http://codepad.org/YJjb1t91
Nice. Myself I'd add bits.reverse; after the N.iota.map..., because I'm more
used to a truth table where the left-most operands iterate the slowest.
Lubos Pintes:
auto a=" 1 2 3 4 5 "
.split(" ")
.filter!"!a.empty"
.map!"to!int(a)";
writeln(a);
better (untested):
auto a = " 1 2 3 4 5 "
.split
.map!(to!int)
.writeln;
Bye,
bearophile
Hi,
I would like to transparently convert from ANSI to UTF-8 when dealing
with text files. For example here in Slovakia, virtually every text file
is in Windows-1250.
If someone opens a text file, he or she expects that it will work
properly. So I suppose, that it is not feasible to tell someon
Am 26.02.2013 14:19, schrieb bearophile:
> David:
>
>> Not sure what you mean, but I have a pretty solid Timer implementation
>> (Threaded)
>>
>> https://github.com/Dav1dde/BraLa/blob/master/brala/utils/thread.d
>>
>> The file has no dependencies, so copy it over and have fun. License of
>> the wh
On Wednesday, February 27, 2013 11:02:59 Lubos Pintes wrote:
> Hi,
> Some time ago I asked how to efficiently parse a space delimited list of
> ints to array. Ireceived a good answer, but recently I discovered this:
> auto a=" 1 2 3 4 5 "
>.split(" ")
>.filter!"!a.empty"
>.map!"to
Hi,
Some time ago I asked how to efficiently parse a space delimited list of
ints to array. Ireceived a good answer, but recently I discovered this:
auto a=" 1 2 3 4 5 "
.split(" ")
.filter!"!a.empty"
.map!"to!int(a)";
writeln(a);
//writes [1, 2, 3, 4, 5] as expected.
But:
writeln(t
27.02.2013 14:19, Jonathan M Davis пишет:
On Wednesday, February 27, 2013 13:19:22 Alexandr Druzhinin wrote:
This code doesn't compiles http://dpaste.dzfl.pl/706a0d12
But if you comment one of arrays it will do. I take a look at varaint.d
but can't understand why two arrays cause this error.
How
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