On Friday, 29 September 2017 at 10:32:02 UTC, Timon Gehr wrote:
On 29.09.2017 11:12, Don Clugston wrote:
Guess what this prints
import std.stdio;
void main()
{
int i = 0;
switch (i) for (i = 8; i < 10; ++i)
{
case 7:
writeln(i);
return;
defa
Guess what this prints
import std.stdio;
void main()
{
int i = 0;
switch (i) for (i = 8; i < 10; ++i)
{
case 7:
writeln(i);
return;
default: ;
}
}
Why does this even compile? It's because the grammar is:
SwitchStatement:
switch ( Expression ) Sc
On Friday, 18 August 2017 at 03:31:38 UTC, Walter Bright wrote:
Chained exceptions are a good idea, but are more or less a
disaster:
1. No other language does chained exceptions
2. Attempting to hammer D chained exceptions into other
language schemes (such as C++) makes for lots of unfun hour
Bearophile has just entered his 1000th bug report into Bugzilla.
This is more than the three next most prolific contributers, combined.
The top ten bug reporters are (courtesy of Deskzilla):
1002 Bearophile
315 Andrej Mitrovic
308 Don Clugston
282 David Simcha
193 Andrei Alexandrescu
185
On 18/11/12 12:21, Manu wrote:
I've often wondered about having an official 'half' type.
It's very common in rendering/image processing, supported by most video
cards (so compression routines interacting with this type are common),
and it's also supported in hardware by some cpu's.
ARM for insta
On 16/11/12 05:15, Rob T wrote:
On Friday, 16 November 2012 at 03:41:45 UTC, Stugol wrote:
Event_t e2;// Will compile!
Yeah but that kinda blows, doesn't it?
I found it surprising or unintuitive that the !() is required, and I do
want to know what is the reasoning behind it,
One o
On 15/11/12 11:54, Walter Bright wrote:
On 11/15/2012 2:28 AM, Don Clugston wrote:
However, there is one case in the test suite which is unclear to me:
extern(C) __thread int x;
Is there any other way to do this?
extern(C) int x;
What about extern(C) variables which are not thread local
On 14/11/12 23:16, Walter Bright wrote:
On 11/14/2012 12:06 PM, Sean Kelly wrote:
On Nov 14, 2012, at 6:26 AM, Don Clugston wrote:
IIRC it was used prior to 2.030. In the spec, it is in the keyword list,
and it's also listed in the "Migrating to shared" article. That's al
IIRC it was used prior to 2.030. In the spec, it is in the keyword list,
and it's also listed in the "Migrating to shared" article. That's all.
There are a small number of uses of it in the DMD test suite.
Is it still valid? Is it useful? Or has everyone forgotten that it still
exists?
On 12/11/12 20:42, Jonathan M Davis wrote:
On Monday, November 12, 2012 11:36:38 H. S. Teoh wrote:
I contend that the problem with built-in AA's is their implementation,
not the fact that they're built-in.
Oh, I agree, but we, as a group, have obviously failed to handle the
implementation of t
On 07/11/12 14:16, monarch_dodra wrote:
There is some talk going on right now of changing "deprecate" into a
UDA. There are some people saying that deprecate is broken, and
proposing some fixes (myself included). Instead of concentrating on how
to "fix" it, and like to first study "what" is broke
On 07/11/12 00:56, Walter Bright wrote:
I know there's been some long term unhappiness about the deprecated
attribute - it's all-or-nothing approach, poor messages, etc. Each
change in it changes the language and the compiler.
Perhaps it could be done with a user defined attribute instead?
Anyo
On 07/11/12 05:38, H. S. Teoh wrote:
On Wed, Nov 07, 2012 at 05:08:43AM +0100, bearophile wrote:
[...]
So the associative array is updated before taking its length. I
suggest to try to fix this AA behavour before too much D2 code relies
on this. I'd like to avoid this to become a permanent wart
On 06/11/12 07:09, Rob T wrote:
On Friday, 2 November 2012 at 22:33:37 UTC, Rob T wrote:
I discovered it fails to compile when inside a function with "auto" as
the return type.
auto test()
{
throw new Exception( mixin(__FUNCTION) );
return 0;
}
Error: forward reference to test
but this
On 04/11/12 15:30, stonemaster wrote:
On Thursday, 1 November 2012 at 15:56:24 UTC, Tobias Pankrath wrote:
On Thursday, 1 November 2012 at 15:20:11 UTC, Andrei Alexandrescu wrote:
On 11/1/12 9:47 AM, Paulo Pinto wrote:
Hi everyone,
I just saw this online.
The German magazine c't kompakt has
On 02/11/12 11:57, Jens Mueller wrote:
Peter Alexander wrote:
On Friday, 2 November 2012 at 10:24:34 UTC, Jens Mueller wrote:
Then I have a serious misunderstanding.
I thought D introduced array operations to allow the compiler to
generate efficient vector operations (in the long run), i.e.
gen
On 02/11/12 14:04, Habibutsu wrote:
I would like to take a part in development of D programming language or
Phobos library.
I opened bugtracker and found some bugs that i could to fix.
Maybe I should read something (specifically for development) or you can
give me some advice before i create firs
On 02/11/12 10:01, Jens Mueller wrote:
Jacob Carlborg wrote:
On 2012-11-01 23:51, Walter Bright wrote:
What about all your feature requests? I think you've made more than
anyone, by a factor of 10 at least!
:-)
As for Manu's request
http://d.puremagic.com/issues/show_bug.cgi?id=8108
I've g
On 02/11/12 10:12, Jens Mueller wrote:
Don Clugston wrote:
On 02/11/12 09:07, Jacob Carlborg wrote:
On 2012-11-01 23:51, Walter Bright wrote:
What about all your feature requests? I think you've made more than
anyone, by a factor of 10 at least!
:-)
As for Manu's req
On 02/11/12 09:07, Jacob Carlborg wrote:
On 2012-11-01 23:51, Walter Bright wrote:
What about all your feature requests? I think you've made more than
anyone, by a factor of 10 at least!
:-)
As for Manu's request
http://d.puremagic.com/issues/show_bug.cgi?id=8108
I've gone over with him why
On 29/10/12 18:38, Walter Bright wrote:
On 10/29/2012 7:51 AM, Don Clugston wrote:> On 27/10/12 20:39, H. S.
Teoh wrote:
>> On Sat, Oct 27, 2012 at 08:26:21PM +0200, Andrej Mitrovic wrote:
>>> On 10/27/12, H. S. Teoh wrote:
>>>> writeln(&
On 27/10/12 20:39, H. S. Teoh wrote:
On Sat, Oct 27, 2012 at 08:26:21PM +0200, Andrej Mitrovic wrote:
On 10/27/12, H. S. Teoh wrote:
writeln("how did the assert not trigger??!!"); // how did we get
here?!
Maybe related to -release?
[...]
Haha, you're right, the assert is com
On 27/10/12 00:45, H. S. Teoh wrote:
http://d.puremagic.com/issues/show_bug.cgi?id=8900
:-(
(The code there is called cartesianProd but it's the reduced code, so it
doesn't really compute the cartesian product. But that's where it's
from.)
So far, the outstanding blockers for cartesianProduct
On 24/10/12 11:33, Timon Gehr wrote:
On 10/24/2012 11:24 AM, Don Clugston wrote:
On 24/10/12 04:41, bearophile wrote:
I have found a nice paper, "Extending a C-like Language for Portable
SIMD Programming", (2012), by Roland L., Sebastian Hack and Ingo Wald:
http://www.cdl.uni-s
On 23/10/12 05:17, 1100110 wrote:
Looking at std.io (hopefully the right version maybe?) I see this:
version(OSX)
{ do something; }
version(Windows)
{ do the same thing as above; }
version(FreeBSD)
{ ditto; }
version(Linux)
{finally do something different; }
and:
version(Windows)
On 24/10/12 04:41, bearophile wrote:
I have found a nice paper, "Extending a C-like Language for Portable
SIMD Programming", (2012), by Roland L., Sebastian Hack and Ingo Wald:
http://www.cdl.uni-saarland.de/projects/vecimp/vecimp_tr.pdf
They present a simple scalar program in C:
struct dat
On 15/10/12 13:39, Jacob Carlborg wrote:
On 2012-10-15 11:58, Don Clugston wrote:
I tried that on both Windows and Ubuntu, and couldn't get it to work on
either of them. I posted a couple of bug reports eight months ago, and
they still haven't been fixed. Not recommended for any
On 18/10/12 19:43, Timon Gehr wrote:
On 10/18/2012 10:08 AM, Don Clugston wrote:
On 17/10/12 18:02, Timon Gehr wrote:
On 10/17/2012 01:49 PM, Don Clugston wrote:
...
That's the point -- *which* checks are missing from @safe?
Escaping stack data and arbitrarily freeing memory ar
On 19/10/12 16:07, foobar wrote:
On Friday, 19 October 2012 at 13:19:09 UTC, Don Clugston wrote:
We can still have both (assuming the code points are valid...):
string foo = "\ua1\ub2\uc3"; // no .dup
That doesn't compile.
Error: escape hex sequence has 2 hex digits instead
On 18/10/12 17:43, foobar wrote:
On Thursday, 18 October 2012 at 14:29:57 UTC, Don Clugston wrote:
On 18/10/12 10:58, foobar wrote:
On Thursday, 18 October 2012 at 02:47:42 UTC, H. S. Teoh wrote:
On Thu, Oct 18, 2012 at 02:45:10AM +0200, bearophile wrote:
[...]
hex strings are useful, but I
On 18/10/12 10:58, foobar wrote:
On Thursday, 18 October 2012 at 02:47:42 UTC, H. S. Teoh wrote:
On Thu, Oct 18, 2012 at 02:45:10AM +0200, bearophile wrote:
[...]
hex strings are useful, but I think they were invented in D1 when
strings were convertible to char[]. But today they are an array of
On 18/10/12 11:39, Iain Buclaw wrote:
On 18 October 2012 09:27, bearophile wrote:
Iain Buclaw:
In the gdc-4.6 package you have there, it's only naked asm that can't be
inlined.
Good.
However it is worth noting that DIASM is no longer in mainline gdc.
What's DIASM? Is it the D synta
On 17/10/12 18:02, Timon Gehr wrote:
On 10/17/2012 01:49 PM, Don Clugston wrote:
On 01/01/12 13:50, Timon Gehr wrote:
On 01/01/2012 10:40 AM, Denis Shelomovskij wrote:
So, I'm a function `f`, I have an `immutable(type)[]` argument and I
want to store it for my friend `g` in an TLS variab
On 17/10/12 23:41, H. S. Teoh wrote:
On Wed, Oct 17, 2012 at 12:55:56PM -0700, Jonathan M Davis wrote:
[...]
I'm increasingly convinced that input ranges which are not forward
ranges are useless for pretty much anything other than foreach. Far
too much requires that you be able to save the curre
On 01/01/12 13:50, Timon Gehr wrote:
On 01/01/2012 10:40 AM, Denis Shelomovskij wrote:
So, I'm a function `f`, I have an `immutable(type)[]` argument and I
want to store it for my friend `g` in an TLS variable `v`:
---
string v;
debug string sure;
void f(string s) { v = s; debug sure = s.idup;
On 16/10/12 05:18, Nick Sabalausky wrote:
On Tue, 16 Oct 2012 05:00:56 +0200
"stas" wrote:
For me syntax alias int Int; seems unnatural.
I'd love to write
alias Int = int;
alias fptr = void(int)*;
This looks much more readable for me and harmonized with
int x = 0;
template T(alias A = Object)
On 15/10/12 11:14, Jacob Carlborg wrote:
Just use DVM, it's also cross-platform:
https://bitbucket.org/doob/dvm
I tried that on both Windows and Ubuntu, and couldn't get it to work on
either of them. I posted a couple of bug reports eight months ago, and
they still haven't been fixed. Not re
On 15/10/12 06:42, Jonathan M Davis wrote:
On Sunday, October 14, 2012 21:39:42 H. S. Teoh wrote:
This looks like what happens if you try to use the latest dmd release
with an old version of Phobos, perhaps installed along with gdc.
Whoever's doing the .deb packaging really should add a version
On 10/10/12 14:09, bearophile wrote:
From Reddit, a nice survey:
http://www.reddit.com/r/coding/comments/118ssp/honours_student_at_my_university_is_doing_a/
For my Computer Science Honours research project, I am currently
investigating ways of improving the terse, technical error messages
g
On 10/10/12 13:27, Timon Gehr wrote:
On 10/10/2012 12:45 PM, Don Clugston wrote:
On 10/10/12 11:21, Jonathan M Davis wrote:
On Monday, October 08, 2012 18:47:43 Malte Skarupke wrote:
So I really can't think of a reason for why you wouldn't want
this. Yet this discussion has happen
On 10/10/12 11:21, Jonathan M Davis wrote:
On Monday, October 08, 2012 18:47:43 Malte Skarupke wrote:
So I really can't think of a reason for why you wouldn't want
this. Yet this discussion has happened several times already.
There is clear demand for it and very good reasons, such as those
ment
On 10/10/12 00:22, bearophile wrote:
Steven Schveighoffer:
Is there any advantage over having a function? I'd think you could
easily build a range based on the function, no?
Generators (that yield lexicographic permutations, permutation swaps,
combinations, etc) are quite more handy, you can
On 05/10/12 18:58, H. S. Teoh wrote:
On Fri, Oct 05, 2012 at 05:23:40PM +0200, Don Clugston wrote:
[...]
My feeling is that do{}while() is a fairly useless concept, and
this is part of the reason.
In my experience genuine do-while loops are extremely rare, and it
only takes a slight change to
On 05/10/12 15:35, monarch_dodra wrote:
On Friday, 5 October 2012 at 00:22:04 UTC, Jonathan M Davis wrote:
On Friday, October 05, 2012 02:08:14 bearophile wrote:
[SNIP]
Regarding definition of variables in D language constructs, there
is one situation where sometimes I find D not handy. This co
On 02/10/12 17:14, Andrei Alexandrescu wrote:
On 10/2/12 7:11 AM, Don Clugston wrote:
The problem
---
String literals in D are a little bit magical; they have a trailing \0.
[snip]
I don't mean to be Debbie Downer on this because I reckon it addresses
an issue that some
On 02/10/12 13:18, Tobias Pankrath wrote:
On Tuesday, 2 October 2012 at 11:10:46 UTC, Don Clugston wrote:
The problem
---
String literals in D are a little bit magical; they have a trailing
\0. This means that is possible to write,
printf("Hello, World!\n");
without i
On 02/10/12 13:26, deadalnix wrote:
Well the whole mess come from the fact that D conflate C string and D
string.
The first problem come from the fact that D array are implicitly
convertible to pointer. So calling D function that expect a char* is
possible with D string even if it is unsafe and
On 02/10/12 14:02, Andrej Mitrovic wrote:
On 10/2/12, Don Clugston wrote:
A proposal to clean up this mess
Any compile-time value of type immutable(char)[] or const(char)[],
behaves a string literals currently do, and will have a \0 appended when
it is stored
The problem
---
String literals in D are a little bit magical; they have a trailing \0.
This means that is possible to write,
printf("Hello, World!\n");
without including a trailing \0. This is important for compatibility
with C. This trailing \0 is mentioned in the spec but only inc
On 01/10/12 21:30, Adam D. Ruppe wrote:
On Monday, 1 October 2012 at 19:22:37 UTC, Philippe Sigaud wrote:
Something I wanted to ask for a long time: is there any runtime speed
penalty in using __ctfe?
No. What happens is when it goes to the compile the runtime code, __ctfe
is a constant false,
On 01/10/12 07:40, Tommi wrote:
import std.stdio;
int pow2(int val) pure
{
if (__ctfe)
return 6;
else
return val * val;
}
void main()
{
assert(pow2(3) == 9);
static assert(pow2(3) == 6);
writeln("9 = 6 ... I knew it! '6' was faking it all along
On 26/09/12 17:13, Johannes Pfau wrote:
The frexp test fails on ARM. I think the mask in line 1491 is
wrong:
https://github.com/D-Programming-Language/phobos/blob/master/std/math.d#L1491
For doubles, the 63 bit is sign, 62-52 are exponent and 51-0 are
mantissa.
The mask manipulates the bits 63-4
On 26/09/12 14:19, Timon Gehr wrote:
On 09/26/2012 11:45 AM, Don Clugston wrote:
On 25/09/12 21:30, Bernard Helyer wrote:
I tried to post this last night, but the NG wasn't having any of it.
I found myself writing a bug that looked like this
match(ts, TokenType.Is);
mat
On 26/09/12 01:31, H. S. Teoh wrote:
On Wed, Sep 26, 2012 at 01:10:00AM +0200, Timon Gehr wrote:
On 09/26/2012 12:58 AM, Iain Buclaw wrote:
[...]
string abc;
float[] A()
{
abc ~= "A";
return [];
}
float[] B()
{
abc ~= "B";
return [];
}
float[] C()
{
abc ~= "C";
On 25/09/12 21:30, Bernard Helyer wrote:
I tried to post this last night, but the NG wasn't having any of it.
I found myself writing a bug that looked like this
match(ts, TokenType.Is);
match(ts, TokenType.OpenParen);
isExp.type == parseType(ts);
The bug being of course, that a
On 24/09/12 17:19, Andrei Alexandrescu wrote:
On 9/24/12 4:17 AM, Don Clugston wrote:
Regarding the comma operator: I'd love to deprecate it, but even if we
don't, could we at least ensure that this kind of rubbish doesn't
compile:
void main()
{
int x;
x > 0, x += 5;
}
A
On 23/09/12 22:40, Andrei Alexandrescu wrote:
I discussed this with Walter, and we concluded that we could deprecate
the comma operator if it helps tuples. So I started with this:
http://www.prowiki.org/wiki4d/wiki.cgi?LanguageDevel/DIPs/DIP19
Unfortunately, I started much cockier than I ended.
On 20/09/12 11:09, Jonathan M Davis wrote:
On Thursday, September 20, 2012 10:11:41 Felix Hufnagel wrote:
On Thursday, 20 September 2012 at 00:14:04 UTC, Jonathan M Davis
wrote:
On Thursday, September 20, 2012 00:12:04 Felix Hufnagel wrote:
isn't it even worse?
import std.stdio;
struct S
{
i
On 17/09/12 18:40, bearophile wrote:
monarch_dodra:
IMO, this should really be built-in, in particular, since, in my
understanding, an array is internally represented by the ptr and
ptrEnd pair anyways.
Currently this is not true, take a look at the ABI part in the D site.
Currently it's a po
On 18/09/12 09:29, Walter Bright wrote:
I suppose I have a more pragmatic view, due to my background in
non-computer engineering.
It's all like that.
There are a couple of good reasons for that.
1. Not every engineer is a rock star. In fact, very few of them are. I
tend to snicker at comp
On 17/09/12 14:42, Andrej Mitrovic wrote:
Related: http://d.puremagic.com/issues/show_bug.cgi?id=8676
A lot of code could be stripped if there was a way to set an optional
last parameter for variadics. lockstep could then be written as:
auto newLockstep(Args...)(Args args, StoppingPolicy stop
On 17/09/12 20:47, Maxim Fomin wrote:
I consider current struct creation one of the confusing parts of the
language (may be the most), due to set of incompatible creation
semantics masked by same syntax, complicated by couple of semi-bugs
(7210, 1310, 4053) and naive default arguments embedding i
On 05/09/12 20:12, Jacob Carlborg wrote:
On 2012-09-05 14:32, Piotr Szturmaj wrote:
angel wrote:
Check out LDC web-page ...
In github we see they're up to date - merging 2.060
What's the status of SEH on Windows?
It's not looking good, at least not for 32bit. Borland has some kind of
patent
On 04/09/12 11:43, Chris Nicholson-Sauls wrote:
On Tuesday, 4 September 2012 at 09:24:26 UTC, Don Clugston wrote:
On 03/09/12 23:48, Chris Nicholson-Sauls wrote:
I reiterate my impression that magical __FILE__ and
__LINE__ should be provided by some other means.
It was a special-case hack to
On 03/09/12 23:48, Chris Nicholson-Sauls wrote:
On Monday, 3 September 2012 at 11:17:39 UTC, Chris Nicholson-Sauls wrote:
1) Empty array stands in for empty variadic. [snip]
In reality, though, we have neither of these things. [snip]
Turns out, I was quite wrong, and I'm happy to be. Empty a
On 30/08/12 22:21, Andrej Mitrovic wrote:
On 8/30/12, Alex Rønne Petersen wrote:
How are you building, what platform, etc...
Ah geez I forgot there's a makefile (doh!), I need to look into
passing the right flags first. I'm trying this on win32 via MinGW btw.
That's a different story. Dunn
On 01/09/12 15:16, Carl Sturtivant wrote:
What is the design logic behind
364.d(9): Error: alias this compileme364.number.__anonymous there can
be only one alias this
--- not a complaint, I'd just like to hear opinion of the basis of
the above restriction from experts.
This is a limitation in
On 02/09/12 22:42, SomeDude wrote:
On Sunday, 2 September 2012 at 15:09:50 UTC, deadalnix wrote:
Le 02/09/2012 16:51, Jacob Carlborg a écrit :
I really don't like the name "handful". What would be the difference
compared to a regular set container? To me it sounds like we should have
a standard
On 27/08/12 16:16, Steven Schveighoffer wrote:
On Sun, 26 Aug 2012 18:26:40 -0400, Manu wrote:
I just updated to 2.60 and found errors throughout my code where function
pointers default args no longer work.
*Every single project* I've written in D, 5 projects, don't work anymore,
including my
On 24/08/12 15:57, bearophile wrote:
It's just syntax sugar for a very obscure operation,<
It's an operation included in Cilk Plus, I think Intel devs know
enough what they are doing.
And I think code like this is a common need:
if (a[] > 0) {
// ...
}
and it's somewhat ambiguous -- is
On 24/08/12 00:13, bearophile wrote:
Sean Cavanaugh:
Well, right now the binary operators == != >= <= > and < are required
to return bool instead of allowing a user defined type, which prevents
a lot of the sugar you would want to make the code nice to write.
The hypothetical D sugar I was lo
On 23/08/12 05:05, bearophile wrote:
Sean Kelly:
I'm clearly missing something. ASCII and UTF-8 are compatible.
What's stopping you from just processing these as if they were UTF-8
strings?
std.algorithm is not closed
(http://en.wikipedia.org/wiki/Closure_%28mathematics%29 ) on UTF-8, its
o
On 14/08/12 12:31, Mehrdad wrote:
On Saturday, 11 August 2012 at 05:41:23 UTC, Walter Bright wrote:
On 8/10/2012 9:55 PM, F i L wrote:
On the first condition, without an 'else z = ...', or if the
condition was removed at a later time, then you'll get a compiler
error and be forced to explicitly
On 14/08/12 11:32, Paulo Pinto wrote:
On Tuesday, 14 August 2012 at 08:48:14 UTC, Don Clugston wrote:
On 14/08/12 08:59, Don Clugston wrote:
On 13/08/12 18:47, Dmitry Olshansky wrote:
I seriously consider writing a simple postprocessor for dmd's output.
Once dmd became able to recover
On 14/08/12 08:59, Don Clugston wrote:
On 13/08/12 18:47, Dmitry Olshansky wrote:
I seriously consider writing a simple postprocessor for dmd's output.
Once dmd became able to recover from errors and crawl on it started to
produce horrific amounts of redundant text on failure.
Observ
On 14/08/12 05:03, TJB wrote:
On Monday, 13 August 2012 at 10:11:06 UTC, Don Clugston wrote:
... I have come to believe that there are very few algorithms
originally designed for integers, which also work correctly for
floating point.
Integer code nearly always assumes things like, x + 1
On 13/08/12 18:47, Dmitry Olshansky wrote:
I seriously consider writing a simple postprocessor for dmd's output.
Once dmd became able to recover from errors and crawl on it started to
produce horrific amounts of redundant text on failure.
Observe for instance that there are only 6 + 2 = 8 lines
On 12/08/12 01:31, Walter Bright wrote:
On 8/11/2012 3:01 PM, F i L wrote:
Walter Bright wrote:
I'd rather have a 100 easy to find bugs than 1 unnoticed one that
went out in
the field.
That's just the thing, bugs are arguably easier to hunt down when
things default
to a consistent, usable val
On 26/07/12 09:05, Jacob Carlborg wrote:
On 2012-07-25 22:39, Rainer Schuetze wrote:
What is the state of the missing exception handling for Windows?
I just read an old post on the Clang mailing list, it's not looking
good. It seems Microsoft (or someone else) has a patent on SEH,
I've hear
On 31/07/12 00:54, Stuart wrote:
On Monday, 30 July 2012 at 21:40:35 UTC, Walter Bright wrote:
A ModuleInfo is generated for each compiled module and inserted into
its corresponding .obj file. If the linker cannot find it, then it is
likely that you need to specify that .obj on the link command
On 30/07/12 17:40, bearophile wrote:
This author writes very detailed analyses of low-level computational
matters, that appear on Reddit. This blog post he suggests to introduce
"offseted binary" or "quaternary search" instead of binary search in
Phobos:
http://www.pvk.ca/Blog/2012/07/30/binary-
On 30/07/12 13:24, Andrei Alexandrescu wrote:
On 7/30/12 4:34 AM, Dmitry Olshansky wrote:
On 30-Jul-12 06:01, Andrei Alexandrescu wrote:
In fact memcpy could and should be replaced with word by word copy for
almost all of struct sizes up to ~32 bytes (as size is known in advance
for this partic
On 26/07/12 00:46, Walter Bright wrote:
On 7/25/2012 2:55 PM, Dmitry Olshansky wrote:
std\regex.d(5118): Error: undefined identifier 'L_jumptable'
I was afraid of that. You may have to approximate it by loading the
address of L_jumptable into a register and adding it in instead of
using
the a
On 20/07/12 17:12, Andrej Mitrovic wrote:
According to TDPL postfix operators are rewritten to call prefix
operators, e.g. on this call for some user-type object named a:
auto b = a++;
// is converted to:
auto b = ((ref x) { auto t = x; ++x; return t; })(a);
But I don't see how this is reasona
On 25/07/12 12:11, Walter Bright wrote:
On 7/25/2012 12:51 AM, Don Clugston wrote:
so that there is no lookup table, just a multiply.
Rethinking your idea a bit...
Suppose the switch jump_address[] array was really an array of hardcoded
jmp instructions, 5 bytes each:
jmp_table:
jmp
On 23/07/12 15:29, bearophile wrote:
After a discussion in D.learn started by someone else, after a
suggestion of mine Timon Gehr has added a bug report:
http://d.puremagic.com/issues/show_bug.cgi?id=8400
But the bug was fixed in the opposite way of what I was thinking.
The problem was that th
On 25/07/12 09:55, Dmitry Olshansky wrote:
On 25-Jul-12 11:51, Don Clugston wrote:
On 25/07/12 09:37, Walter Bright wrote:
On 7/24/2012 11:46 PM, Dmitry Olshansky wrote:
It's pc => address because one can first preprocess all of byte code
doing
opcode => address rewrites. But you
On 25/07/12 09:37, Walter Bright wrote:
On 7/24/2012 11:46 PM, Dmitry Olshansky wrote:
It's pc => address because one can first preprocess all of byte code
doing
opcode => address rewrites. But you can't do it unless taking address
of labels
is possible.
All right, that's the piece that was mi
On 23/07/12 17:04, Adam D. Ruppe wrote:
On Monday, 23 July 2012 at 14:46:30 UTC, FeepingCreature wrote:
The more general form would be to make variable declaration an
expression.
Right, and that would be pretty amazing, but it would probably
be too hard to do in D today...
The bizarre thing
On 10/07/12 16:59, Andrei Alexandrescu wrote:
On 7/10/12 9:59 AM, H. S. Teoh wrote:
On Tue, Jul 10, 2012 at 09:28:51AM -0400, Andrei Alexandrescu wrote:
On 7/10/12 2:50 AM, Jacob Carlborg wrote:
On 2012-07-09 22:16, Andrei Alexandrescu wrote:
So foo is a range of strings, because each elemen
On 16/07/12 16:51, David Nadlinger wrote:
On Monday, 16 July 2012 at 06:00:03 UTC, Walter Bright wrote:
Supporting Win64 is absolutely critical for the future of D, and the
sooner we get it, the better. The COFF route is the shortest route to
doing it, and the most practical for attracting devs,
On 13/07/12 09:11, Jacob Carlborg wrote:
On 2012-07-13 08:52, Adam Wilson wrote:
I hope Walter isn't against this, because I'm not seeing much community
disagreement with this...
If he's not against it, I see know reason why this haven't been done
already.
It has. It's called D1.
On 13/07/12 11:02, F i L wrote:
I always wondered why toString() wasn't just to!string() in the first
place, short of UFCS not being implemented for all types.
toString() comes from the days before D had templates.
On 12/07/12 12:00, Paulo Pinto wrote:
On Thursday, 12 July 2012 at 08:59:46 UTC, Don Clugston wrote:
On 12/07/12 06:15, Andrei Alexandrescu wrote:
Required reading prior to this: http://goo.gl/eXpuX
You destroyed, we listened.
I think Christophe makes a great point. We've been all thi
On 12/07/12 06:15, Andrei Alexandrescu wrote:
Required reading prior to this: http://goo.gl/eXpuX
You destroyed, we listened.
I think Christophe makes a great point. We've been all thinking inside
the box but we should question the very existence of the box. Once the
necessity of opCmp, opEqual
On 11/07/12 13:47, monarch_dodra wrote:
On Wednesday, 11 July 2012 at 11:18:21 UTC, akaz wrote:
if needed, the operator !! (double exclamation mark) could be defined.
Problem is that operator"!!" is already used asa twin operator"!". This
is shorthand for "is valid as bool":
I wouldn't be
On 10/07/12 19:13, H. S. Teoh wrote:
On Tue, Jul 10, 2012 at 06:48:51PM +0200, Timon Gehr wrote:
On 07/10/2012 06:45 PM, H. S. Teoh wrote:
Yeah, this is logical const. Unfortunately, D doesn't have logical
const.
Then why on earth is druntime acting as if it does?
Y'know, this brings up an
On 10/07/12 09:49, renoX wrote:
On Monday, 9 July 2012 at 11:40:37 UTC, Gor Gyolchanyan wrote:
[cut]
You're right. This is a bit advanced code sample, which uses
templates,template constraints, contract programming among syntax
advantages of D.
Hum it show the power of D sure, but IMHO it also
On 02/07/12 23:20, Walter Bright wrote:
On 7/2/2012 1:04 PM, bearophile wrote:
Walter Bright:
Put "final" in front of y, and it will compile. Remember, this was
done for D1
that didn't have const.
I see. So in D2 are we going to require that y to be immutable?
No. I don't agree there's a p
On 01/07/12 04:00, Walter Bright wrote:
On 6/30/2012 6:05 PM, bearophile wrote:
Walter Bright:
It's not a bug. It's deliberate, and is there to support mechanical
translation of Java code.
Is this stuff written somewhere in a D design rationales page?
Now that D is several years old, how mu
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