On Monday, 16 June 2025 at 07:30:31 UTC, rempas wrote:
So, I wanted to create a library to allow D to be used a
scripting language, in order to allow it to be used to
configure programs. Now, the design of everything is rather
simple. However, I do have one problem. Is there a way to pass
runt
till work.
Will this work on all or most modern CPUs?
Ali
—
Dmitry Olshansky
dmitry at olshansky.me
https://olshansky.me
On Saturday, 4 May 2024 at 19:11:14 UTC, Nick Treleaven wrote:
On Saturday, 4 May 2024 at 16:58:00 UTC, Dmitry Olshansky wrote:
So I have a function:
```d
size_t awaitAny(T...)(T args) { ... }
```
And I have:
``d
Event*[4] events;
``
How do I pass all 4 of events to awaitAny as tuple of
So I have a function:
```d
size_t awaitAny(T...)(T args) { ... }
```
And I have:
``d
Event*[4] events;
``
How do I pass all 4 of events to awaitAny as tuple of arguments?
--
Dmitry Olshansky
CEO @ [Glow labs](https://glow-labs.pro)
https://olshansky.me/about/
On Monday, 8 April 2024 at 13:23:12 UTC, Richard (Rikki) Andrew
Cattermole wrote:
On 09/04/2024 1:20 AM, Dmitry Olshansky wrote:
I haven’t done any research on the subject, would be nice if
somebody pointed me to good example of how it’s done.
—
Dmitry Olshansky
CEO @ Glowlabs
https
I haven’t done any research on the subject, would be nice if
somebody pointed me to good example of how it’s done.
—
Dmitry Olshansky
CEO @ Glowlabs
https://olshansky.me
allowed in Java).
Once you cast the slice you can populate it with Derived2 objects
that are not Derived, hence breaking type safety of the ds slice.
—
Dmitry Olshansky
CEO @ Glow labs
https://olshansky.me
l_download.o
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to
see invocation)
Error: /usr/bin/cc failed with status: 1
Am I missing something?
--
Dmitry Olshansky
https://olshansky.me
On Friday, 7 July 2023 at 10:29:14 UTC, Richard (Rikki) Andrew
Cattermole wrote:
I believe: https://github.com/dlang-community/setup-dlang
Thx!
—
Dmitry Olshansky
CEO @ Glow Labs
https://olshansky.me
https://t.me/glowlabs32
Simply enough dub test should pass.
How do I go about it?
—
Dmitry Olshansky
CEO @ Glow Labs
https://olshansky.me
https://t.me/glowlabs32
On Friday, 30 June 2023 at 16:26:26 UTC, Richard (Rikki) Andrew
Cattermole wrote:
I use it and contribute to it ;)
Thanks to Rikki I was able to figure it out.
—
Dmitry Olshansky
https://olshansky.me
Have anyone had any luck with it?
So far I'm trying to install DMD as SDK but it fails with not a
valid D compiler home.
--
Dmitry Olshansky
https://olshansky.me
On Friday, 16 June 2023 at 16:14:19 UTC, Steven Schveighoffer
wrote:
On 6/16/23 11:56 AM, Dmitry Olshansky wrote:
Any advice from MacOS users?
Yep.
Go into settings, then privacy and security. Make sure "App
store and identified developers" is checked.
On that page, you will se
On Wednesday, 12 April 2023 at 11:07:56 UTC, Richard (Rikki)
Andrew Cattermole wrote:
Did you compile the library with dub using ldc2?
Yup, I do not have other compilers installed.
--
Dmitry Olshansky
n/dub (DUB version 1.31.1, built
on Mar 12 2023)
ERROR: strand found but it wasn't compiled with ldc
Run-time dependency strand found: NO
src/meson.build:22:0: ERROR: Dependency "strand" not found
--
Dmitry Olshansky
mesonbuild/dependencies/dub.py
i.e. ``dub build [[@]] []``
So use ``package:sub@1.0.2``.
Also I just noticed meson doesn't support shared libraries from
dub, so something to keep in mind.
Oh, Rikki, you are so helpful. Thanks!
--
Dmitry Olshansky
erstand how to introduce
library dependency on a specific DUB package.
--
Dmitry Olshansky
is there, its just that it
needs to be all in one.
Thanks, Rikki!
—
Dmitry Olshansky
Could someone walk me through the steps of publish my dub package?
I'm stuck with this:
https://code.dlang.org/packages/strand
For some reason code.dlang.org cannot find my semver tag I guess.
--
Dmitry Olshansky
On Wednesday, 24 August 2022 at 21:11:42 UTC, rikki cattermole
wrote:
For dmd you use build.d that is in the repository.
Hm, I guess the makefiles should be deleted?
For phobos win64.mak (used for 32bit by default as well):
"# Makefile to build D runtime library phobos{64,32mscoff}.lib
for
It's been a long time but I've found some spare hours I want to
devote to finally updating our std.uni to Unicode 14 (soon to
migrate to 15 I guess).
I downloaded source code of DMD/Phobos as usual and dropped them
in the src folder of unpacked 7z distribution archive. Now time
to build. Sinc
On Wednesday, 9 May 2018 at 09:38:14 UTC, BoQsc wrote:
The D Style suggest to camelCase constants, while Java naming
conventions always promoted uppercase letter.
Is there an explanation why D Style chose to use camelCase
instead of all UPPERCASE for constants, was there any technical
problem
On Saturday, 21 April 2018 at 14:25:58 UTC, Cym13 wrote:
On Saturday, 21 April 2018 at 13:54:14 UTC, H. S. Teoh wrote:
On Sat, Apr 21, 2018 at 01:30:55PM +, Cym13 via
Digitalmars-d-learn wrote:
On Saturday, 21 April 2018 at 12:08:09 UTC, Dmitry Olshansky
wrote:
[...]
> Unboun
On Saturday, 21 April 2018 at 13:30:55 UTC, Cym13 wrote:
On Saturday, 21 April 2018 at 12:08:09 UTC, Dmitry Olshansky
wrote:
On Saturday, 21 April 2018 at 07:37:50 UTC, Mike Franklin
wrote:
Does D have some way to dynamically allocate on the stack?
I'm looking for something roughly equiv
On Saturday, 21 April 2018 at 07:37:50 UTC, Mike Franklin wrote:
Does D have some way to dynamically allocate on the stack? I'm
looking for something roughly equivalent to the following C
code.
int doSomething(size_t len)
{
char stackBuffer[len + 1];
doSomethingElse(stackBuffer);
}
On Monday, 26 March 2018 at 16:14:31 UTC, Jonathan wrote:
Can I send data over an std.socket on multiple threads without
manual mutexing?
If not, can I send data on a separate thread than receive?
The docs for std.socket say nothing of it (which I guess means
I should assume it is not thread
On Sunday, 18 March 2018 at 18:11:02 UTC, Dmitry Olshansky wrote:
On Sunday, 18 March 2018 at 16:45:16 UTC, Joe wrote:
[...]
No it just creates a pair of pointer to recs[0] + length of
recs, like this:
struct Array
{
size_t length;
Record* ptr;
}
In D it’s typed as Record[] and has a
On Sunday, 18 March 2018 at 16:45:16 UTC, Joe wrote:
On Sunday, 18 March 2018 at 13:10:08 UTC, Dmitry Olshansky
wrote:
Do this to get the usual ptr + length:
sort!((a, b) => to!string((*a).name) <
to!string((*b).name))(recs[]);
Also to!string would be computed on each compare ane
On Sunday, 18 March 2018 at 11:29:47 UTC, Joe wrote:
On Monday, 12 March 2018 at 03:50:42 UTC, Joe wrote:
On Monday, 12 March 2018 at 03:13:08 UTC, Seb wrote:
Out of interest: I wonder what's your usecase for using
qsort. Or in other words: why you can't use the high-level
std.algorithm.sortin
On Thursday, 15 March 2018 at 00:06:49 UTC, Cecil Ward wrote:
Can anyone point me in the direction of a library that provides
very very lightweight (minimum overhead) asynchronous i/o
routines for - shopping list
1. sending and receiving IPv4 / IPv6 packets,
2. sending receiving ICMP and
3, ha
On Thursday, 1 March 2018 at 10:10:27 UTC, John Burton wrote:
In the language spec here :-
https://dlang.org/spec/garbage.html#pointers_and_gc
It refers to a distinction between pointers to garbage
collected memory and pointers that are not. In particular it
says that with a non garbage collec
On Wednesday, 28 February 2018 at 05:09:03 UTC, psychoticRabbit
wrote:
On Wednesday, 28 February 2018 at 01:06:30 UTC, dark777 wrote:
Regex validates years bisexto and not bisextos in format:
const std::regex
pattern(R"(^(?:(?:(0?[1-9]|1\d|2[0-8])([-/.])(0?[1-9]|1[0-2]|[Jj](?:an|u[nl])|[Mm]a[ry
On Monday, 19 February 2018 at 14:57:22 UTC, SrMordred wrote:
On Monday, 19 February 2018 at 05:54:53 UTC, Dmitry Olshansky
wrote:
The operation is trivial and dataset is rather small. In such
cases SIMD with eg array ops is the way to go:
result[] = values[] * values2[];
Yes, absolutely
On Sunday, 18 February 2018 at 17:54:58 UTC, SrMordred wrote:
I´m experimenting with threads and related recently.
(i´m just started so may be some terrrible mistakes here)
With this base work:
foreach(i ; 0 .. SIZE)
{
results[i] = values1[i] * values2[i];
}
and then with this 3 others met
On Sunday, 21 January 2018 at 17:28:13 UTC, Andres Clari wrote:
Hi, is there any way to get from the GC all allocated objects,
so I can see their size and find where I'm leaking memory? Or
perhaps a good tool to help with this issue...
I tried building my program with "profile-gc" but I got an
What is the status of the platform?
I might be doing some number crunching on one of the power8
beasts, would be nice to have D working there.
---
Dmitry Olshansky
On Sunday, 15 January 2017 at 20:33:30 UTC, Alexandru Ermicioi
wrote:
Good day,
Given following code example, where a templated interface Wr,
and an implementation Im is present:
From the standpoint of the compiler they are 3 distinct
interfaces, so all is good.
interface Wr(T) {
T g
Please file a bug report for Phobos basically stating your use
case and the visibility problem.
Thanks
Rémi
----
Dmitry Olshansky
Thompson NFA.
Compile-time is (for now) still backtracking.
---
Dmitry Olshansky
ere a page somewhere on dlang.org that explains how to use the
profiler?
http://digitalmars.com/ctg/trace.html
see Dynamic Profiling With DMD
Thanks,
Philippe
--
Dmitry Olshansky
at?
Well these 3 pieces are _slices_ of the original input, and with a bit
of calculations on .ptr and .length you can figure out what's in between.
Also you can just use matchAll which too, does return slices. It could
be seen as dropping all in between matches ;)
-Steve
--
Dmitry Olshansky
- always first build druntime, then Phobos. Always with the same MODEL.
I've found that to cleanly build x64 and 32 on windows I have to run
clean between builds (unlike in Linux/MacOS).
--
Dmitry Olshansky
31-Dec-2013 00:03, Benji пишет:
On Monday, 30 December 2013 at 19:27:43 UTC, Dmitry Olshansky wrote:
30-Dec-2013 22:08, Benji пишет:
Hello,
when I try to run following code:
[snip]
This is part of core developers discussion and isn't something easily
tweaked (else it would've be
Somewhere I read that this should fix it:
- Make ModuleInfos immutable, which is something we should do anyhow.
This is part of core developers discussion and isn't something easily
tweaked (else it would've been already fixed).
--
Dmitry Olshansky
19-Dec-2013 01:05, Andrej Mitrovic пишет:
On 12/18/13, Dmitry Olshansky wrote:
The precedent is Perl. A heavy influencer on the (former) std.regex design.
http://perldoc.perl.org/perlre.html#Capture-groups
(grep for $')
Ah, classic Perl. Write once - don't bother to read ever again
18-Dec-2013 23:54, Andrej Mitrovic пишет:
On 12/18/13, Dmitry Olshansky wrote:
P.S. This reminds me to put a roadmap of sorts on where std.regex is
going and what to expect.
Btw one thing I'm not fond of is the format specifiers, in particular:
$` part of input preceding the
mplement
- does it affect backwards compatibility
- any other hidden costs
I'd be glad to implement well motivated enhancement requests.
P.S. This reminds me to put a roadmap of sorts on where std.regex is
going and what to expect.
--
Dmitry Olshansky
again
try to match what bmatch returned?)
Simply put match/bmatch will return a range of matches as they are found
in the input. Each match is, in turn, a random access range that
contains full match, followed by each sub-match in the pattern.
--
Dmitry Olshansky
std.regex of Phobos this should just work.
auto re = regex(`^(\w*)FOO\1$`);
assert("barFOObar".match(re));
Syntax is like in JavaScript or Perl.
How to do the samein Tango for D2 (or even phobos for D2)?
--
Dmitry Olshansky
one
that uses predicate. AFAIK the default predicate is std.uni.isWhite.
["hello", "world"]
["hello", "world"]
["hello", "", "world"]
Bye,
bearophile
--
Dmitry Olshansky
nable_tests] Error 2
dmitry@dmitry-VirtualBox ~/dmd2/src/dmd/test $
--
Dmitry Olshansky
ge but yes,
it's the norm on Linux now.
Thanks!
--
Dmitry Olshansky
es
that are only used in C-T checks (static ifs etc.). Something in this
logic is currently broken or implementation is lacking, hence the
workaround switch.
--
Dmitry Olshansky
ntire function
instead of just within an expression, I don't think that it actually ends up
mattering much in practice, simply because it's generally rare to make the
exact same call multiple times within a function. And if you do, it's trivial
to save the result in a variable to be reused.
--
Dmitry Olshansky
that kills inlining
of std.ascii on ALL compilers.
https://d.puremagic.com/issues/show_bug.cgi?id=10985
And it's not only std.ascii pretty much all non-templated stuff.
We really, really need to improve the inliner.
Amen.
--
Dmitry Olshansky
grained locking (a lock per bucket of a hash map), some operations still
lock the whole map. Rehashing still locks the whole thing I bet.
--
Dmitry Olshansky
06-Nov-2013 00:36, Charles Hixson пишет:
On 11/05/2013 05:34 AM, Dmitry Olshansky wrote:
05-Nov-2013 02:20, Charles Hixson пишет:
On 11/03/2013 01:46 AM, Dmitry Olshansky wrote:
03-Nov-2013 02:37, Charles Hixson пишет:
I'm contemplating an associative array that will eventually grow to
05-Nov-2013 02:20, Charles Hixson пишет:
On 11/03/2013 01:46 AM, Dmitry Olshansky wrote:
03-Nov-2013 02:37, Charles Hixson пишет:
I'm contemplating an associative array that will eventually grow to be
an estimated 64KB in size, assuming it's about half full. It would then
be hold
turn lookups/inserts/deletions are cheap O(1) with high probability.
--
Dmitry Olshansky
ng
going on (w/o aliases). The moment you add an alias it's as if you
declare it in your module, so it would fail to match on BigInt because
of anti-hijacking.
//this should work though:
alias abs = std.math.abs;
alias abs = std.bigint.abs;
Thanks & best wishes,
-- Joe
--
Dmitry Olshansky
Slice is called on foreach aggregate if it's not a range or doesn't
have opApply by itself.
--
Dmitry Olshansky
rever.
Do you have a small test case?
Bye,
bearophile
--
Dmitry Olshansky
traits(getUnitTests, mod));
static this() {
writeln("Done");
}
Thanks
Dan
--
Dmitry Olshansky
m/2009/12/principles-for-standardized-rest-authentication.html
. To me it sounded like a simple use case.
--
Dmitry Olshansky
callgrind is awesome).
--
Dmitry Olshansky
cate each time.
TL;DR: use static and/or auto with ctRegex not enum.
--
Dmitry Olshansky
them to be the same.
I appreciate if somebody give a link or chapter number where to read.
--
Dmitry Olshansky
13-Sep-2013 00:11, H. S. Teoh пишет:
On Thu, Sep 12, 2013 at 11:13:30PM +0400, Dmitry Olshansky wrote:
12-Sep-2013 20:51, H. S. Teoh пишет:
On Thu, Sep 12, 2013 at 07:50:25PM +0400, Dmitry Olshansky wrote:
[...]
Better option is to have finalizer hooked up to set some flag. Then
_after_
12-Sep-2013 20:51, H. S. Teoh пишет:
On Thu, Sep 12, 2013 at 07:50:25PM +0400, Dmitry Olshansky wrote:
12-Sep-2013 17:51, H. S. Teoh пишет:
[...]
struct WeakPointer(T) {
enum size_t mask = 0xdeadbeef;
union Impl {
T* ptr
nner if block is not 100% safe, because there's no
guarantee that even if the base pointer of the block hasn't changed, the
GC hasn't reallocated the block to somebody else. So this part is still
yet to be solved.
T
--
Dmitry Olshansky
an't imagine how you'd test that the block that is allocated is *still
your old* block.
--
Dmitry Olshansky
eeded for other things as well
I'd file an enhancement if there isn't one already.
--
Dmitry Olshansky
y or returns false and leaves dest unaffected.
But at least, it will buy us performance when basic types are used.
T
--
Dmitry Olshansky
27-Aug-2013 23:31, H. S. Teoh пишет:
On Tue, Aug 27, 2013 at 11:18:50PM +0400, Dmitry Olshansky wrote:
27-Aug-2013 18:41, H. S. Teoh пишет:
[snip]
I'm not sure if dmd does that optimization. If you really feel
inclined, you could do static if (X86) and throw in an asm block (but
that
would break purity, @safety, etc., so probably not a
good idea).
It would be awesome to have pure D analogs for memchr, memcpy and its
ilk that won't be so limiting (as in types used) but would guarantee top
performance.
--
Dmitry Olshansky
D) do separate
compilation and old object files can't find matching symbols in the new
runtime library.
From what I can tell, it looks like it cannot link in druntime
correctly... But I'm not really an expert.
--
Dmitry Olshansky
by pointer functions enter a
deprecation path, or add a 'formattedReadRef' version for all those
functions.
Thoughts?
You can just add an overload I bet. Since you can't read a pointer
and &x is an r-value and (thank god) there wasn't decision to allow
r-value as plain ref.
--
Dmitry Olshansky
--
Dmitry Olshansky
profile the app usually outputs trace.log somewhere in the folder
launched.
--
Dmitry Olshansky
tail about MessageBox seems to be hidden...
This is sadly intentional. The reasons must be due to some efficient
concurrent queues not being able to produce reliable item count if at all.
However this seems at odds with setMaxMailboxSize ...
--
Dmitry Olshansky
rther dig into Unicode characters
and properties, there is this nice tool:
http://unicode.org/cldr/utility/list-unicodeset.jsp?a=%5B%3AN%3A%5D&g=
(e.g. this link shows all of 'N' = Number characters)
--
Dmitry Olshansky
ofile and trying to grok the output.
I've found
valgrind --tool=callgrind
+ kcachegrind
to be quite awesome.
Other options are the usual profilers of your OS/CPU vendor:
perf, AMD CodeAnalyst, Intel VTune
--
Dmitry Olshansky
4 to small / big?
No one size fits all. Measure and profit.
--
Dmitry Olshansky
21-Jul-2013 00:42, Ali Çehreli пишет:
On 07/20/2013 01:22 PM, Dmitry Olshansky wrote:
> 21-Jul-2013 00:19, Namespace пишет:
>> Let us assume we have a method of a class which is used often and the
>> method is called periodically and must allocate every time a array
>>
21-Jul-2013 00:46, Namespace пишет:
On Saturday, 20 July 2013 at 20:22:56 UTC, Dmitry Olshansky wrote:
21-Jul-2013 00:19, Namespace пишет:
Let us assume we have a method of a class which is used often and the
method is called periodically and must allocate every time a array
between 100 and
memory is released. But I want to hear
other opinions. :)
5. Keep a TLS scratch pad buffer (static class member) for said
100-4000 floats and re-use it.
--
Dmitry Olshansky
old GDC. What's you version string/OS/package ?
--
Dmitry Olshansky
/C++.
It's the _same_ GLIBC.
--
Dmitry Olshansky
y I haven't been able to tell about it at DConf.
--
Dmitry Olshansky
more tips?
--
Dmitry Olshansky
tions '|'.
Is there anything i can do to speed up regex matching in such a
scenario? Are there any tips you can share to speed things up?
There are also compiler flags to fiddle with (dmd):
-O -release -inline -noboundscheck
Thanks.
--
Dmitry Olshansky
this.
http://d.puremagic.com/issues/
std.algorithm.splitter(arr, 1);
Bye,
bearophile
--
Dmitry Olshansky
h indicates that shared
data might lose it's built-in ops to prevent confusion and require folks
to just use core.atomic directly for lock-free or alternatively
cast+mutex for lock-based.
--
Dmitry Olshansky
be good (although you missed a few :P)
Technically any working "escapeRegex" would also function as a valid
"escapeRegexReplace", although it might be slightly faster to have a
specialised one.
--
Dmitry Olshansky
;, although it might be slightly faster to have a
specialised one.
not sure, because they escape differently (\$ vs $$).
According to this: http://dlang.org/phobos/std___regex.html#.replace
<http://dlang.org/phobos/std_regex.html#.replace> you can use the
same escape sequences for both (\c -> c in the replacement string).
--
Dmitry Olshansky
nd
&x is an r-value and (thank god) there wasn't decision to allow r-value
as plain ref.
--
Dmitry Olshansky
(Args...)(const(char)[] fmt, ref Args args)
{
foreach(i, v; args)
args[i] = i;
}
void main(){
int i, j, k;
readf("abc", i, j, k);
assert(i == 0);
assert(j == 1);
assert(k == 2);
}
--
Dmitry Olshansky
here:
https://github.com/timotheecour/dtools/blob/master/dtools/overrides/format.d#L29
(just run unittests: rdmd --main -unittest dtools/all.d)
why is std.format. formattedRead taking by pointer instead ?
could we change that (with proper deprecation), or add that function?
--
Dmitry Olshansky
16-May-2013 13:31, Maxim Fomin пишет:
On Thursday, 16 May 2013 at 09:05:46 UTC, Dicebot wrote:
On Wednesday, 15 May 2013 at 19:30:41 UTC, Dmitry Olshansky wrote:
Won't this work?
*cast(void**)&object
Right question is "is this guaranteed to work by spec?".
Spec is silen
ware of one.
A simple cast to void* should do it: cast(void*)c
class C { auto opCast(T:void*)() { return null; } }
So - no - a simple cast to void* won't always work, as the op can be
overloaded, even if only by accident.
You can insert a cast to Object first.
-Steve
--
Dmitry Olshansky
14-May-2013 21:02, Steven Schveighoffer пишет:
On Tue, 14 May 2013 04:58:27 -0400, Dmitry Olshansky
wrote:
14-May-2013 08:33, Heinz пишет:
BTW, given recent discussion on memory barriers, I think my previous
statement that the mutex does not need to be locked to call notify is
probably
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