On Thursday, 28 January 2021 at 18:37:37 UTC, Ruby The Roobster
wrote:
Here is the output/input of the program:
Type in data for an egg:
Width: 3
Hight: 2
[...]
It might help to separate break this out into smaller functions.
May make it easier to follow what is happening.
On Friday, 15 January 2021 at 16:22:59 UTC, IGotD- wrote:
[snip]
Are we talking about the same things here? You mentioned DMD
but I was talking about programs compiled with DMD (or GDC,
LDC), not the nature of the DMD compiler in particular.
Bump the pointer and never return any memory
On Friday, 15 January 2021 at 15:36:37 UTC, Ola Fosheim Grøstad
wrote:
On Friday, 15 January 2021 at 15:20:05 UTC, jmh530 wrote:
Hypothetically, would it be possible for users to supply their
own garbage collector that uses write barriers?
Yes. You could translate Google Chrome's Oilpan to D.
On Friday, 15 January 2021 at 14:50:00 UTC, welkam wrote:
On Thursday, 14 January 2021 at 18:51:16 UTC, Ola Fosheim
Grøstad wrote:
One can follow the same kind of reasoning for D. It makes no
sense for people who want to stay high level and do batch
programming. Which is why this disconnect
On Wednesday, 30 December 2020 at 19:51:07 UTC, Ola Fosheim
Grøstad wrote:
[snip]
Sort of, in C++ it would be something like this
template class OuterName>
void myfunction(OuterName x){ stuff(); }
[snip]
You mean like this
struct Foo(T)
{
T x;
}
void foo(T : Foo!V, V)(T x) {
On Tuesday, 22 December 2020 at 15:06:09 UTC, drug wrote:
[snip]
But what do you mean exactly by "work with dependency"? As I
understand, `dub test` does not run unit tests in dependencies
and single file packages work with dependencies in general. Do
you mean something else? I'm finishing
On Monday, 21 December 2020 at 11:31:49 UTC, drug wrote:
[snip]
Unfortunately I'm very busy. But I check it again and it turns
out that the fix does not resolve the problem completely. This
PR just remove the single file from testing so currently dub
does not run unit tests in the single file
On Wednesday, 2 December 2020 at 12:51:11 UTC, drug wrote:
[snip]
Thanks! Let's see if it gets merged or if a slightly more
involved
solution is needed.
Remake it - https://github.com/dlang/dub/pull/2052
This has more chances to be merged
Looks like this got merged and will be part of
On Tuesday, 1 December 2020 at 14:15:22 UTC, Johannes Loher wrote:
[snip]
The point of using DUB (and the single file package format) is
easy access to libraries from the DUB registry. If I didn't
want to use a dependency, I would not be using DUB at all. That
said, leaving out the
On Tuesday, 1 December 2020 at 11:40:38 UTC, Johannes Loher wrote:
[snip]
Any hints on how to execute unit tests from single file DUB
packages? Is it even possible at the moment? Thanks in advance
for any help!
[1] https://adventofcode.com/
Have you tried it without the imports?
On Tuesday, 1 December 2020 at 13:52:35 UTC, jmh530 wrote:
On Tuesday, 1 December 2020 at 11:40:38 UTC, Johannes Loher
wrote:
[snip]
Any hints on how to execute unit tests from single file DUB
packages? Is it even possible at the moment? Thanks in advance
for any help!
[1]
On Friday, 20 November 2020 at 14:57:42 UTC, H. S. Teoh wrote:
On Fri, Nov 20, 2020 at 02:47:52PM +, Paul Backus via
Digitalmars-d-learn wrote: [...]
In this specific case, you could also make `foo` a type-safe
variadic function [1], which would eliminate the need for
`allSatisfy`:
Doing something like below fails because I don't seem to be able
to make a templated lambda that just takes types. Is the only way
to do something similar to create a separate function to handle
the condition, or is there some other way to do something with
similar flexibility?
import
On Thursday, 17 September 2020 at 10:53:48 UTC, Mike Parker wrote:
[snip]
I can attest that in the 17 years I've been hanging around
here, the fact that enum is used to indicate a manifest
constant has not been a serious source of WTF posts. So I think
"pretty much everyone coming to D" have
On Wednesday, 9 September 2020 at 15:30:33 UTC, Shaleen Chhabra
wrote:
[snip]
Hi, I updated my dmd version to dmd-2.093.1
Now it throws a conflict error between
1. function mir.ndslice.topology.iota!(long, 1LU).iota at
mir/ndslice/topology.d(630) conflicts with function
On Friday, 7 August 2020 at 21:39:44 UTC, H. S. Teoh wrote:
[snip]
"Furthermore, it can dispatch to a type-erased implementation ala
Java -- at your choice;"
This is interesting. Would you just cast to Object?
On Thursday, 6 August 2020 at 18:09:50 UTC, ag0aep6g wrote:
[snip]
`is(...)` only works on types. You're looking for
`__traits(isSame, T, Foo)`.
For `is(T!U == Foo!U, U)` to work, the compiler would have to
guess U. If the first guess doesn't work, it would have to
guess again, and again,
On Thursday, 6 August 2020 at 16:01:35 UTC, jmh530 wrote:
[snip]
It seems as if the T is properly Foo(T) and can only be
instantiated with actual types. Something like below works and
might work for me.
template test(alias T)
if (__traits(isTemplate, T))
{
void test(U)(U x)
The code below compiles, but I want to put an additional
constraint on the `test` function is only called with a Foo
struct.
I tried things like is(T == Foo) and is(T : Foo), but those don't
work. However, something like is(T!int : Foo!int) works, but
is(T!U == Foo!U, U) doesn't. Any idea
On Sunday, 2 August 2020 at 19:19:51 UTC, Andy Balba wrote:
I'm not a gitHub fan, but I like the mir functions; and it
looks like I have to download mir before using it.
mir has quite a few .d files..Is there a quick way to download
it ?
dub [1] is now packaged with dmd, which is the
On Friday, 31 July 2020 at 23:42:45 UTC, Andy Balba wrote:
ubyte[3][4] c ;
How does one initialize c in D ? none of the statements below
works
c = cast(ubyte) [ [5, 5, 5], [15, 15,15], [25, 25,25], [35,
35,35] ];
c[0] = ubyte[3] [5, 5, 5] ; c[1] = ubyte[3] [15, 15,15] ;
c[2] =
On Wednesday, 15 July 2020 at 11:41:35 UTC, 9il wrote:
[snip]
Ah, no, my bad! You write @fmamath, I have read it as
@fastmath. @fmamath is OK here.
I've mixed up @fastmath and @fmamath as well. No worries.
On Wednesday, 15 July 2020 at 11:26:19 UTC, 9il wrote:
[snip]
@fmamath private double sd(T)(Slice!(T*, 1) flatMatrix)
@fastmath violates all summation algorithms except `"fast"`.
The same bug is in the original author's post.
I hadn't realized that @fmamath was the problem, rather than
On Wednesday, 15 July 2020 at 05:57:56 UTC, tastyminerals wrote:
[snip]
Here is a (WIP) project as of now.
Line 160 in
https://github.com/tastyminerals/mir_benchmarks_2/blob/master/source/basic_ops.d
std of [60, 60] matrix 0.0389492 (> 0.001727)
std of [300, 300] matrix 1.03592 (> 0.043452)
On Tuesday, 14 July 2020 at 19:04:45 UTC, tastyminerals wrote:
I am trying to implement standard deviation calculation in Mir
for benchmark purposes.
I have two implementations. One is the straightforward std =
sqrt(mean(abs(x - x.mean())**2)) and the other follows
Welford's algorithm for
On Monday, 15 June 2020 at 17:32:26 UTC, Jean-Louis Leroy wrote:
[snip]
Thanks, cool.
On Monday, 15 June 2020 at 13:17:11 UTC, Jean-Louis Leroy wrote:
[snip]
Nah, I saw it. Well. My take on it has been ready for months
but I had to wait for my employer's permission to publish it.
They are very open-source friendly, and as a consequence there
is a glut of requests for
On Sunday, 14 June 2020 at 17:19:05 UTC, Jean-Louis Leroy wrote:
[snip]
In case you missed it, I thought you would find this interesting
https://forum.dlang.org/thread/dytpsnkqnmgzniiwk...@forum.dlang.org
On Wednesday, 10 June 2020 at 00:53:30 UTC, Seb wrote:
[snip]
Anyhow, I would be highly in favor of DMD doing this. It's one
of those many things that I have on my list for D3 or a D fork.
Chapel supports zippered iteration [1]. From the discussion here,
it sounds very much like the
On Monday, 8 June 2020 at 14:27:26 UTC, data pulverizer wrote:
[snip]
Out of curiosity what does the "." in front of `foo` mean? I've
seen that in some D code on the compiler in GitHub and have no
idea what it does. I tried Googling it to no avail. It doesn't
have anything to do with UFCS
On Monday, 8 June 2020 at 12:20:46 UTC, Adam D. Ruppe wrote:
[snip]
Why do you even want foo!"fabs"? Usually when I see people
having this problem it is actually a misunderstanding of what
is possible with the foo!fabs style - which is better in
basically every way and can be used in most
On Monday, 8 June 2020 at 10:28:39 UTC, Paul Backus wrote:
[snip]
Thanks for that suggestion. That works for me.
Unfortunately, it's probably not worth the extra effort though,
versus doing foo!fabs in my case.
On Monday, 8 June 2020 at 04:13:08 UTC, Mike Parker wrote:
[snip]
The problem isn't the mixin. It's the template. Templates take
the scope of their declaration, not their instantiation. So the
mixin is getting the template's scope.
Anyway, this appears to work:
`double z =
In the code below, foo!fabs compiles without issue, but
foo!"fabs" does not because the import is not available in the
string mixin. If I move the import to the top of the module, then
it works. However, then if I move foo to another module, then it
will no longer compile since it is in
On Thursday, 28 May 2020 at 00:51:50 UTC, 9il wrote:
snip
Actually it is a question of notation. For example, mir-lapack
uses ndslice as column-major Fortran arrays. This may cause
some headaches because the data needs to be transposed in mind.
We can think about ndslice as about column-major
On Wednesday, 27 May 2020 at 16:07:58 UTC, welkam wrote:
On Wednesday, 27 May 2020 at 01:31:23 UTC, data pulverizer
wrote:
column major
Cute puppies die when people access their arrays in column
major.
Not always true...many languages support column-major order
(Fortran, most obviously).
On Tuesday, 26 May 2020 at 15:18:42 UTC, jmh530 wrote:
On Tuesday, 26 May 2020 at 15:16:25 UTC, jmh530 wrote:
[snip]
Another short-term fix might be to try compiling with the -m32
dflag (need to put in your dub.sdl/json).
Sorry, easier is
dub test --arch=x86
You may also have to make
On Wednesday, 13 May 2020 at 15:26:48 UTC, BoQsc wrote:
[snip]
Linking...
lld-link: error: could not open libcmt.lib: no such file or
directory
lld-link: error: could not open OLDNAMES.lib: no such file or
directory
Error: linker exited with status 1
C:\D\dmd2\windows\bin\dmd.exe failed with
On Tuesday, 26 May 2020 at 15:16:25 UTC, jmh530 wrote:
[snip]
Another short-term fix might be to try compiling with the -m32
dflag (need to put in your dub.sdl/json).
Sorry, easier is
dub test --arch=x86
On Sunday, 24 May 2020 at 21:43:34 UTC, H. S. Teoh wrote:
On Sun, May 24, 2020 at 09:34:53PM +, jmh530 via
Digitalmars-d-learn wrote:
The following code results in the static assert in the
constructor being triggered, even though I would have thought
no constructor would have been called
The following code results in the static assert in the
constructor being triggered, even though I would have thought no
constructor would have been called. I know that there is an easy
fix for this (move the static if outside the constructor), but it
still seems like it doesn't make sense.
On Sunday, 24 May 2020 at 14:21:26 UTC, Pavel Shkadzko wrote:
[snip]
Sorry for the typo. It should be "auto arrSlice = a.sliced;"
Try using fuse
/+dub.sdl:
dependency "mir-algorithm" version="*"
+/
import std.stdio;
import std.conv;
import std.array: array;
import std.range: chunks;
import
On Thursday, 7 May 2020 at 17:59:30 UTC, Paul Backus wrote:
On Thursday, 7 May 2020 at 15:00:18 UTC, jmh530 wrote:
Does foo!y0(rt) generate the same code as foo(rt, y0)?
How is the code generated by foo(rt, x0) different from
foo(rt,y0)?
You can look at the generated code using the Compiler
On Thursday, 7 May 2020 at 15:34:21 UTC, ag0aep6g wrote:
[snip]
The `static if` is guaranteed to be evaluated during
compilation. That means, `foo!y0` effectively becomes this:
auto foo(int rt) { return rt + 1; }
There is no such guarantee for `foo(rt, y0)`. It doesn't matter
that y0
On Thursday, 7 May 2020 at 15:29:01 UTC, H. S. Teoh wrote:
[snip]
You explained things very well, thanks.
I am curious how ctfe and static ifs interact. In particular, if
an enum bool passed as a template parameter or run-time one will
turn an if statement into something like a static if statement
(perhaps after the compiler optimizes other code away). In the
code below, I am a function that takes
On Friday, 1 May 2020 at 15:42:54 UTC, Baby Beaker wrote:
There is a Python eval() equivalent in Dlang working in Runtime?
You might find arsd's script.d interesting [1], but it's more
like a blend between D and javascript.
On Monday, 27 April 2020 at 17:40:06 UTC, Steven Schveighoffer
wrote:
[snip]
Thanks for that. Very detailed.
In terms of a use case, we just added a center function to mir
[1]. It can take an alias to a function. I wanted to add a check
that the arity of the function was 1, but it turned
When using a template with multiple functions within it, is it
possible to access the underlying functions directly? Not sure I
am missing anything, but what works when the functions are named
differently from the headline template doesn't work when the
functions are named the same.
import
I was trying to write a function has different behavior depending
on whether it is called from @nogc code or not. However, I am
noticing that this does not seem possible because of the timing
of attribute inference.
If I call getFunctionAttributes within foo below, then it is
system but then
On Monday, 20 April 2020 at 19:06:53 UTC, p.shkadzko wrote:
[snip]
It is. I was trying to calculate the covariance matrix of some
dataset X which would be XX^T.
Incorrect. The covariance matrix is calculated with matrix
multiplication, not element-wise multiplication. For instance, I
often
On Monday, 20 April 2020 at 00:27:40 UTC, 9il wrote:
[snip]
Using two arguments Iterator1, Iterator2 works without
allocation
/+dub.sdl: dependency "mir-algorithm" version="~>3.7.28" +/
import mir.ndslice;
void foo(Iterator1, Iterator2, SliceKind kind)
(Slice!(Iterator1, 1, kind) x,
On Thursday, 16 April 2020 at 20:59:36 UTC, jmh530 wrote:
[snip]
/+dub.sdl:
dependency "mir-algorithm" version="~>3.7.28"
+/
import mir.ndslice;
void foo(Iterator, SliceKind kind)(Slice!(Iterator, 1, kind) x,
Slice!(Iterator, 1, kind) y) {
import std.stdio : writeln;
On Sunday, 19 April 2020 at 20:29:54 UTC, p.shkadzko wrote:
[snip]
Thanks. I somehow missed the whole point of "a * a.transposed"
not working because "a.transposed" is not allocated.
a.transposed is just a view of the original matrix. Even when I
tried to do a raw for loop I ran into issues
On Sunday, 19 April 2020 at 19:20:28 UTC, p.shkadzko wrote:
[snip]
well no, "assumeContiguous" reverts the results of the
"transposed" and it's "a * a".
I would expect it to stay transposed as NumPy does "assert
np.all(np.ascontiguous(a.T) == a.T)".
Ah, you're right. I use it in other places
On Sunday, 19 April 2020 at 17:55:06 UTC, p.shkadzko wrote:
snip
So, lubeck mtimes is equivalent to NumPy "a.dot(a.transpose())".
There are elementwise operation on two matrices of the same size
and then there is matrix multiplication. Two different things.
You had initially said using an
On Sunday, 19 April 2020 at 17:07:36 UTC, p.shkadzko wrote:
I'd like to calculate XX^T where X is some [m x n] matrix.
// create a 3 x 3 matrix
Slice!(double*, 2LU) a = [2.1, 1.0, 3.2, 4.5, 2.4, 3.3, 1.5, 0,
2.1].sliced(3, 3);
auto b = a * a.transposed; // error
Looks like it is not possible
On Thursday, 16 April 2020 at 19:59:57 UTC, Basile B. wrote:
[snip]
And remove the extra assert() BTW... I don't know why this is
accepted.
Thanks, I hadn't realized about approxEqual. I think that
resolves my near-term issue, I would need to play around with
things a little more to be
In the code below, I multiply some slice by 5 and then check
whether it equals another slice. This fails for mir's approxEqual
because the two are not the same types (yes, I know that isClose
in std.math works). I was trying to convert the y variable below
to have the same double* iterator as
On Wednesday, 8 April 2020 at 19:29:17 UTC, Anonymouse wrote:
[snip]
It works with `ref int` too.
```
__gshared int gshared = 42;
void foo(ref int i = gshared) @safe
{
++i;
}
void main()
{
assert(gshared == 42);
foo();
assert(gshared == 43);
}
```
Well that definitely
On Wednesday, 8 April 2020 at 18:50:16 UTC, data pulverizer wrote:
On Wednesday, 8 April 2020 at 16:53:05 UTC, Anonymouse wrote:
```
import std.stdio;
@safe:
__gshared int gshared = 42;
void foo(int i = gshared)
{
writeln(i);
}
void main()
{
foo();
}
```
This currently works; `foo`
On Friday, 27 March 2020 at 10:57:10 UTC, p.shkadzko wrote:
I decided to write a small blog post about multidimensional
arrays in D on what I learnt so far. It should serve as a brief
introduction to Mir slices and how to do basic manipulations
with them. It started with a small file with
On Wednesday, 18 March 2020 at 15:10:52 UTC, Виталий Фадеев wrote:
On Wednesday, 18 March 2020 at 13:52:20 UTC, Abby wrote:
I cannot build my app, so I was wondering if there is some
clever way to solve this without hardcoded path to my profile
name.
Thank you very much for your help.
I
On Wednesday, 11 March 2020 at 06:12:55 UTC, 9il wrote:
[snip]
Almost the same, just fixed import for `each` and a bit polished
/+dub.sdl:
dependency "mir-algorithm" version="~>3.7.18"
+/
import mir.ndslice;
import mir.ndslice.sorting;
import mir.algorithm.iteration: each;
void main() {
On Tuesday, 10 March 2020 at 23:31:55 UTC, p.shkadzko wrote:
[snip]
Below does the same thing as the numpy version.
/+dub.sdl:
dependency "mir-algorithm" version="~>3.7.18"
+/
import mir.ndslice.sorting : sort;
import mir.ndslice.topology : byDim;
import mir.ndslice.slice : sliced;
void
On Tuesday, 3 March 2020 at 10:25:27 UTC, maarten van damme wrote:
it is difficult to write an efficient matrix matrix
multiplication in any language. If you want a fair comparison,
implement your naive method in python and compare those timings.
[snip]
And of course there's going to be a
On Monday, 2 March 2020 at 20:22:55 UTC, p.shkadzko wrote:
[snip]
Interesting growth of processing time. Could it be GC?
+--+-+
| matrixDotProduct | time (sec.) |
+--+-+
| 2x[100 x 100]|0.01 |
| 2x[1000 x 1000] |2.21
On Monday, 2 March 2020 at 18:17:05 UTC, p.shkadzko wrote:
[snip]
I tested @fastmath and @optmath for toIdx function and that
didn't change anyting.
@optmath is from mir, correct? I believe it implies @fastmath.
The latest code in mir doesn't have it doing anything else at
least.
On Monday, 2 March 2020 at 13:35:15 UTC, p.shkadzko wrote:
[snip]
Thanks. I don't have time right now to review this thoroughly. My
recollection is that the dot product of two matrices is actually
matrix multiplication, correct? It generally makes sense to defer
to other people's
On Sunday, 1 March 2020 at 20:58:42 UTC, p.shkadzko wrote:
Hello again,
[snip]
What compiler did you use and what flags?
On Thursday, 27 February 2020 at 16:39:15 UTC, 9il wrote:
[snip]
Few performances nitpick for your example to be fair with
benchmarking againt the test:
1. Random (default) is slower then Xorfish.
2. double is twice larger then int and requires twice more
memory, so it would be twice slower
On Thursday, 27 February 2020 at 15:28:01 UTC, p.shkadzko wrote:
On Thursday, 27 February 2020 at 14:15:26 UTC, p.shkadzko wrote:
This works but it does not look very efficient considering we
flatten and then calling array twice. It will get even worse
with 3D arrays.
And yes, benchmarks
On Saturday, 22 February 2020 at 08:29:32 UTC, 9il wrote:
[snip]
Maybe mir.series [1] can work for you.
I had a few other thoughts after looking at septc's solution of
using
y[0..$, 0] *= 100;
to do the calculation.
1) There is probably scope for an additional select function to
handle
On Friday, 21 February 2020 at 14:43:37 UTC, jmh530 wrote:
[snip]
Actually, I kind of prefer the relevant line as
x.byDim!1[0].each!"a -= 2";
which makes it a little clearer that you can easily change [0] to
[1] to apply each to the second column instead.
On Friday, 21 February 2020 at 11:53:02 UTC, Ali Çehreli wrote:
[snip]
auto byColumn(R)(R range, size_t n) {
return Column!R(range, n);
}
mir has byDim for something similar (numir also has alongDim).
This is how you would do it:
import mir.ndslice;
void main() {
auto x = [0.0, 1.4,
On Wednesday, 27 November 2019 at 16:16:04 UTC, René Heldmaier
wrote:
Hi,
I'm looking for some basic matrix/vector operations and other
numeric stuff.
I spent quite a lot time in reading through the mir
documentation, but i kinda miss the bigger picture. I'm not a
Python user btw. (I know
On Saturday, 16 November 2019 at 09:07:45 UTC, Petar Kirov
[ZombineDev] wrote:
[snip]
Most likely the reason is parallelism. Every CI service offers
a limited amount of agents that can run in parallel, which
limits the number of test matrix combinations that you can run
in a reasonable
On Thursday, 14 November 2019 at 17:06:36 UTC, Andre Pany wrote:
[snip]
With the public availability of Github Actions I highly
recommend it if you have open source project on Github. If is
free and works well with D and Dub.
Kind regards
Andre
I'm not that familiar with Github Actions,
I'm curious what the typical motivation is for using both Travis
CI and Circle CI in a project is.
Thanks.
On Wednesday, 30 October 2019 at 18:45:50 UTC, Jacob Carlborg
wrote:
On 2019-10-30 16:09, jmh530 wrote:
I feel like this should be added into the compiler so that it
just works.
This will only run the unit tests in the current modules. The
standard way of running the unit tests will run the
On Wednesday, 30 October 2019 at 15:09:40 UTC, jmh530 wrote:
[snip]
I feel like this should be added into the compiler so that it
just works.
Hmm, maybe only when compiled with -main, but I don't think
there's a version for that.
On Tuesday, 29 October 2019 at 08:45:15 UTC, mipri wrote:
[snip]
-unittest sets the 'unittest' version identifier. So this works:
unittest {
assert(0);
}
version(unittest) {
extern(C) void main() {
static foreach(u; __traits(getUnitTests,
__traits(parent, main)))
On Thursday, 24 October 2019 at 17:41:21 UTC, Dukc wrote:
This was wrong: Atila's Excel-d enables writing plugin
functions, but not reading the spreadsheets. There are other
DUB utilities for that, though.
I quess I will give my employer two options: Either the price
variables are in an
On Thursday, 24 October 2019 at 16:20:20 UTC, jmh530 wrote:
On Thursday, 24 October 2019 at 16:03:26 UTC, Dukc wrote:
[snip]
If they are only opening it in Excel, then you can lock cells.
You should be able to do that with VBA.
At least I know it works with xlsx files. Not sure on csv now
On Thursday, 24 October 2019 at 16:03:26 UTC, Dukc wrote:
[snip]
If they are only opening it in Excel, then you can lock cells.
You should be able to do that with VBA.
On Friday, 18 October 2019 at 07:35:21 UTC, Martin Tschierschke
wrote:
[snip]
I think this is something that's been proposed before, but most
people are happy with just asking a question here and usually
people are pretty good about helping out with answers when
possible.
On Monday, 14 October 2019 at 19:27:04 UTC, Andre Pany wrote:
[snip]
I found this tool https://github.com/gtkd-developers/gir-to-d
from Mike Wey which translates GObject GIR files to D headers.
It might be interesting for some of this functionality to get
included in dpp.
On Saturday, 12 October 2019 at 21:44:57 UTC, Jonathan M Davis
wrote:
[snip]
Thanks for the reply.
As with most people, I don't write a lot of D code that uses
classes that much.
The use case I'm thinking of is with allocators, which - to be
honest - is not something I deal with much in
On Friday, 11 October 2019 at 17:50:42 UTC, Jonathan M Davis
wrote:
[snip]
A very thorough explanation!
One follow-up question: would it be possible to mimic the
behavior of Java generics in D?
On Thursday, 10 October 2019 at 16:33:47 UTC, H. S. Teoh wrote:
On Thu, Oct 10, 2019 at 03:58:02PM +, jmh530 via
Digitalmars-d-learn wrote:
On Thursday, 10 October 2019 at 15:47:58 UTC, Just Dave wrote:
> In C# you can do something like:
>
>
> if (obj is Person)
>
On Thursday, 10 October 2019 at 15:47:58 UTC, Just Dave wrote:
In C# you can do something like:
if (obj is Person)
{
var person = obj as Person;
// do stuff with person...
}
where you can check the type of an object prior to casting.
Does D have a similar
On Tuesday, 17 September 2019 at 01:54:01 UTC, Brett wrote:
How does one get return values?
https://matplotlib.org/3.1.0/gallery/statistics/hist.html
Shows that python uses return values to set properties of the
plot
When I navigate to https://forum.dlang.org/ I have a message that
says "1 new reply" to "your posts." Normally, I click on that "1
new reply" and find the post that's new, go to it, and the
message disappears. However, it doesn't seem to go away anymore.
I tried looking at many different old
On Tuesday, 12 March 2019 at 15:35:03 UTC, Ron Tarrant wrote:
[snip]
It's a learning resource, so wouldn't that go here? Or am I
misinterpreting the intention of the Learn sub-forum?
If you a moderator believes it should move, please feel free.
It's a learning resource, sure, but you're
On Tuesday, 12 March 2019 at 09:31:53 UTC, Boqsc wrote:
[snip]
Please attach quick working examples for every sentence you
write or it's just a waste of time. People want to see the
results and direct actions first before anything else, it's
more efficient communication. We are in the
On Monday, 11 March 2019 at 23:34:06 UTC, kerdemdemir wrote:
How can I configure a fixed ratio between x and y axes in
ggplotd ?
I easily found what I am looking for in ggplot which ggplotd
inspires a lot.
http://www.cookbook-r.com/Graphs/Axes_(ggplot2)/
But ggplotd documentation does not
On Tuesday, 12 March 2019 at 14:44:59 UTC, Ron Tarrant wrote:
It was suggested that I do all these posts in one thread, so
this is the thread where that'll happen. With that said...
[snip]
I thought the suggestion was one thread in the Announce forum,
rather than multiple threads in the
On Monday, 11 March 2019 at 20:11:37 UTC, ag0aep6g wrote:
On Monday, 11 March 2019 at 19:53:53 UTC, jmh530 wrote:
So what information is in the static library that allows this
to take place?
None. The information is in in the source or interface file
(.d/.di). Templates can't be compiled
Suppose I have a file with a simple templated function. I compile
that to a static library. I then compile another file that uses
the library into an executable. When compiled to the static
library, you don't know in advance what types it will call on the
templated function, so that must be
On Tuesday, 4 December 2018 at 22:35:48 UTC, Jonathan M Davis
wrote:
On Tuesday, December 4, 2018 3:17:04 PM MST jmh530 via
Digitalmars-d-learn wrote:
I've noticed that I can use int like a constructor, as in:
int x = int(1);
but I can't do the same thing with slices
int[] y = int
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