On Wednesday, 24 June 2020 at 20:28:24 UTC, Steven Schveighoffer
wrote:
Is there a way to figure this out from the call?
The .mangleof the instance might help track it down since it
should give you the module name as part of that mangle. Then go
in there and start breaking things (or use the
On Monday, 22 June 2020 at 03:43:58 UTC, Denis wrote:
My code reads a UTF-8 encoded file into a buffer and validates,
byte by byte, the UTF-8 encoding along with some additional
validation. If I simply return the UTF-8 encoded string, there
won't be another decoding/encoding done -- correct?
On Monday, 22 June 2020 at 03:17:54 UTC, Denis wrote:
- First, is there any difference between string, wstring and
dstring?
Yes, they encode the same content differently in the bytes. If
you cast it to ubyte[] and print that out you can see the
difference.
- Are the characters of a string
On Monday, 22 June 2020 at 02:04:06 UTC, user1234 wrote:
Maybe each slice has different type ?
in some cases T[][]... will work better too. depends on the
details here
On Saturday, 20 June 2020 at 17:43:42 UTC, mw wrote:
the function defined in unittest become a delegate? how to
work-around this?
just add the keyword static to the functions
On Wednesday, 17 June 2020 at 14:24:01 UTC, Stefan Koch wrote:
Parser in dmd does even inherit from Lexer.
why would a parser ever inherit from a lexer?
On Saturday, 13 June 2020 at 12:55:36 UTC, realhet wrote:
My first question is, how to avoid that error with A.i4? Why
is there a difference between @UNIFORM and @UNIFORM(), do the
first returns a type and the later returns a value?
Basically yeah. a UDA in D is just whatever you write gets
On Wednesday, 10 June 2020 at 22:50:17 UTC, Paul Backus wrote:
static assert(isInputRange!S); // passes
isInputRange doesn't check it but others do.
std.random.isSeedable requires @property on front for example.
Some apparently test incorrectly too, like
std.range.primitives.moveFront
On Monday, 8 June 2020 at 14:41:55 UTC, Jan Hönig wrote:
What is the name of this `q` thing?
It is just a string that looks like code.
On Monday, 8 June 2020 at 02:55:25 UTC, jmh530 wrote:
In the code below, foo!fabs compiles without issue, but
foo!"fabs" does not because the import is not available in the
string mixin.
Why do you even want foo!"fabs"? Usually when I see people having
this problem it is actually a
On Friday, 5 June 2020 at 20:11:16 UTC, aberba wrote:
Didn't come to mind to lookup from terminal docs. Thought it
was a Dlang/OS problem.
Yeah, the OS by itself rarely buffers output like this, but both
the C library (on which std.stdio is built) and my Terminal
object do (they do
On Friday, 5 June 2020 at 20:05:28 UTC, aberba wrote:
Why was the initial decision to handle buffering that way in
terminal?
More buffering = more speed, it actually makes a surprisingly big
difference sometimes, like you can notice the lag with your eyes
alone as it prints in the more
On Friday, 5 June 2020 at 11:45:31 UTC, aberba wrote:
How can I make Thread.sleep() only run AFTER "Wait, signing you
in ..." is written (force flushed) to stdout?
just use explicit `terminal.flush();` any time you want the
output to appear immediately.
Terminal does its own aggressive
On Tuesday, 26 May 2020 at 11:35:23 UTC, Vinod K Chandran wrote:
Okay, but uint is working perfectly.
It won't if you use -m64.
On Monday, 25 May 2020 at 22:32:52 UTC, Vinod K Chandran wrote:
What is an opCast ?
operator overload of the cast function. if you didn't write one,
you don't have to worry about this.
On Monday, 25 May 2020 at 22:31:00 UTC, Vinod K Chandran wrote:
A dword is an unsigned, 32-bit unit of data. We can use uint in
D. I have tried that too, but no luck.
A DWORD_PTR is *not* the same as a uint. It is more like a size_t
or void* depending on context.
On Monday, 25 May 2020 at 21:45:39 UTC, welkam wrote:
Where is DWORD_PTR defined?
it is a win32 thing. should be able to directly cast to it most
the time
if there is opCast on the class it needs another layer of helper
function but without opCast it should just work
On Monday, 25 May 2020 at 01:35:47 UTC, Danni Coy wrote:
s = 8; // this works
S s = 8 // but this does not?
}
alias this only applies if you already have an object.
Construction is too soon.
You can add a constructor to make that work though.
On Sunday, 24 May 2020 at 21:34:53 UTC, jmh530 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.
static assert is triggered when the code is *compiled*, whether
it is actually run
On Friday, 22 May 2020 at 20:04:24 UTC, Vinod K Chandran wrote:
sampleList.Add(New Child(10.5)) Is this possible in D without
casting ?
Direct translation of this code works just fine in D.
On Thursday, 21 May 2020 at 17:10:31 UTC, mw wrote:
BTW, is the .idup must be there?
It is discussed more in the github document but basically the
proposed built-in syntax returns a generic builder thing which
can make more than just strings. The idup specifically asks it to
make a copy
On Thursday, 21 May 2020 at 06:57:28 UTC, mw wrote:
i.e how to write this 's'?
gimme a like on the proposal to add to the language!
https://github.com/dlang/DIPs/pull/186
If accepted, that would let you write
i"stuff here".idup
to get an interpolated string.
On Thursday, 21 May 2020 at 02:50:22 UTC, data pulverizer wrote:
Can you also confirm that `@nogc` in a class do the same thing
in that class as it does for a function?
I don't think it does anything in either case, but if it does
anything it will just apply @nogc to each member function in
On Tuesday, 19 May 2020 at 22:01:03 UTC, Vinod K Chandran wrote:
Is it possible to write some class members in another module ?
You can make some of members be other structs that you aggregate
together.
On Tuesday, 19 May 2020 at 02:36:24 UTC, data pulverizer wrote:
I was wandering if it possible to implement operators as
ordinary functions instead of as member functions of a class or
struct for example something like this:
nope, it must be done as member functions.
On Monday, 18 May 2020 at 16:01:14 UTC, kinke wrote:
Is that really the case for all D programs on Windows, or just
those built with -m32 and thus using the exotic DigitalMars C
runtime?
-m32mscoff does it too, and -m64 has a slight delay as well
(though possible that's just a cold disk
On Monday, 18 May 2020 at 20:11:25 UTC, BoQsc wrote:
I'm trying to kill my own process
Don't kill yourself, just `return` from main.
On Monday, 18 May 2020 at 16:36:11 UTC, BoQsc wrote:
Would this require GUI library and how can this be achieved?
you might enjoy using my terminal lib
https://code.dlang.org/packages/arsd-official%3Aterminal
include that and set
"subConfigurations": {
"arsd-official:terminal":
On Monday, 18 May 2020 at 15:47:40 UTC, BoQsc wrote:
It seems strange that on the first run after D language
compilation. Hello World program takes 1-3 seconds to launch.
That's the Windows virus scanner again.
It sees D programs as unusual and gives them additional
scrutiny...
You can set
try changing delegate to function, on the type itself it is often
function
use the -run switch to dmd. Make sure it and te d file name are
the LAST arguments.
dmd -i other_dmd_args_you_need -run yourfile.d
On Wednesday, 13 May 2020 at 12:45:06 UTC, Andrey wrote:
Why this works:
It's just defined that way. Local functions follow local variable
rules - must be declared before use and names not allowed to
overload each other.
There might be a deeper reason too but like that's the main
thing,
On Tuesday, 12 May 2020 at 20:36:22 UTC, Luis wrote:
I'm trying to make a SparseSet that on function of a optional
type parameter, could alongside the index set, store other
data. So I need a way to declare a optional type template
parameter.
A default argument of void is a common way to do
On Tuesday, 12 May 2020 at 02:51:39 UTC, Doug wrote:
So far I've only seen a way to get unknown UDAs from known
symbols but not how to get unknown symbols from UDAs. Is there
any documentation for how to get a list of symbols annotated
with a specific UDA?
see std.traits.getSymbolsByUDA
On Tuesday, 12 May 2020 at 01:54:49 UTC, WhatMeWorry wrote:
version(demos) unittest
{
import arsd.terminal;
void main()
Shouldn't the version identifier demos and the unittest option
activate the test block and therefore defines main() which then
give the "Start Address"?
The
On Monday, 11 May 2020 at 13:06:59 UTC, Steven Schveighoffer
wrote:
Clearly something isn't connecting properly, it's almost like
it's resolving to the function itself instead of calling it.
Since the imported front is also a local symbol the compiler
probably thinks it is overloaded and not
On Monday, 11 May 2020 at 12:20:06 UTC, Jack Applegame wrote:
If you move the import to the global scope
UFCS is only defined to work with global scope functions. A
restricted import (module : symbol, symbols) puts things in local
scope so ufcs doesn't apply.
(interestingly an unrestricted
On Monday, 11 May 2020 at 02:25:39 UTC, Heromyth wrote:
I want to get the UDAs for for a function parameter. Here the
test code and I got some errors:
I think my blog aside is one of the few if only write-ups on how
to do this:
On Saturday, 9 May 2020 at 16:10:37 UTC, ByR wrote:
Are there are tutorials or examples on how to manipulate HTML
using dom.d?
Replace tag, text, end so on.
ByR
I don't think so really. There's a wee bit of documentation here
http://dpldocs.info/experimental-docs/arsd.dom.html but for the
On Thursday, 7 May 2020 at 01:33:12 UTC, Daren Scot Wilson wrote:
import core.thread: sleep;
It sould be
import core.thread : Thread;
Thread.sleep(1.secs); // or whatever
sleep is a static method on the Thread class.
On Wednesday, 6 May 2020 at 19:51:01 UTC, bauss wrote:
How will I get the months or years between the two dates?
What's the length of a month or a year? That's the tricky part -
they have variable lengths. So a difference of one month is not
super precise.
You could probably just do days /
On Tuesday, 5 May 2020 at 16:36:48 UTC, learner wrote:
I mean, without using the function name in the body, like
ReturnType!foo ?
even easier:
typeof(return)
On Sunday, 3 May 2020 at 20:21:24 UTC, Marcone wrote:
How can I check if a variable is iterable?
Every variable has a type. You can get it with typeof(varaiable)
On Sunday, 3 May 2020 at 20:02:09 UTC, Marcone wrote:
How can I check if an element is iterable in Dlang?
http://dpldocs.info/experimental-docs/std.traits.isIterable.html
On Sunday, 3 May 2020 at 14:53:21 UTC, Baby Beaker wrote:
How can I assign a variable in “if” condition in Dlang?
depends on exactly what there's also
if ( (a = 10) )
with extra parens for special purposes
On Saturday, 2 May 2020 at 15:37:09 UTC, Baby Beaker wrote:
Error: none of the overloads of `spawnProcess` are callable
using argument types `(string, File, File, File, Config)`,
candidates are:
The example is prolly out of date
try
spawnProcess(program, null, Config.suppressConsole)
On Saturday, 2 May 2020 at 14:06:55 UTC, Baby Beaker wrote:
open the command prompt console running this other process.
when calling the functions pass Config.suppressConsole to it.
like in the doc example here
http://dpldocs.info/experimental-docs/std.process.Config.html#suppressConsole
On Friday, 1 May 2020 at 20:28:58 UTC, Jean-Louis Leroy wrote:
Something I have overlooked? Any ideas?
There's an old rule, that I can't find in the spec anymore but
I'm still pretty sure it is there, where taking the address of a
template inside a template yields the current instantiation.
On Thursday, 30 April 2020 at 14:00:40 UTC, Arredondo wrote:
I had been using inout for some time now for "purely input
function parameters".
`inout` is more specifically for things you take in, look at,
then pass back out. So it forms part of your return value.
`const` is for when you are
On Tuesday, 28 April 2020 at 19:25:06 UTC, Sam E. wrote:
I'm a bit surprised to see a linking error given that building
directly from `dmd` seems to work fine without any flag.
dmd directly uses -m32 whereas dub by default uses -m32mscoff to
dmd.
The mscoff linker (also used for -m64 btw)
On Monday, 27 April 2020 at 15:24:09 UTC, lilijreey wrote:
Thanks your help. where is unsafe in above code?
It depends on the context but I assume it is because it is
storing a reference to the function across thread boundaries,
something normally banned, but since it is (I believe) a
On Monday, 27 April 2020 at 13:29:08 UTC, lilijreey wrote:
Hi:
In dlang core.thread.osthread has below code, the 654 line
code i can understand why write () first, and {m_fn = fn;}()
do what?
The stdlib uses that pattern from time to time to indicate an
unsafe block in an otherwise safe
On Mon, Apr 27, 2020 at 10:56:09AM +, mark via Digitalmars-d-learn wrote:
> Thread 1 "DebFind" received signal SIGUSR1, User defined signal 1.
The GC sends that signal to pause other threads when it is about to
collect. You can tell gdb to just ignore it.
handle SIGUSR1 noprint
handle
On Friday, 24 April 2020 at 15:50:15 UTC, Phrozen wrote:
@Adam D. Ruppe, your idea is great, especially for small and
unpretentious applications! Very good work, man!
if you do decide to use my thingy let me know how it goes for you.
I often don't recommend it in threads cuz it kinda sucks,
On Friday, 24 April 2020 at 13:45:22 UTC, Phrozen wrote:
I need something simple - a modal window with 3 buttons and a
two text boxes
This sounds easy with my minigui.d. My library doesn't have a lot
of features, no fancy graphics, and layout can be a bit clunky...
but check out this code:
On Tuesday, 21 April 2020 at 21:36:57 UTC, Marcone wrote:
When I create a module, for exemple mymodule.d and import im my
main program using "import mymodule" I need add mymodule.d in
DMD command line manually. How can make it automatic?
dmd -i
On Friday, 17 April 2020 at 18:05:39 UTC, Jean-Louis Leroy wrote:
Interesting example, but all hope is not lost. `a` could
(should?) be passed as an alias in __parameters.
Well, __parameters itself actually kinda works. The compiler
knows it is an expression and can stringify it or evaluate
On Friday, 17 April 2020 at 17:31:32 UTC, Jean-Louis Leroy wrote:
Well, can't do. I need this purely at compile time, and
cross-module.
And the CTFE engine gets weird with it too dmd will have to
fix this.
But default parameters might not be possible in general at CT
anyway... it is
On Friday, 17 April 2020 at 16:40:15 UTC, Jean-Louis Leroy wrote:
Alas the presence of parameter UDAs breaks
std.traits.ParameterDefaults:
import std.traits;
struct attr;
void f(@attr int);
This part seems fine...
pragma(msg, ParameterDefaults!f.stringof);
It is this, specifically,
For future reference, newer dubs (v 1.17 + i think) allow
--compiler=dmd-version for example.
You need to put the exe in your PATH and rename it yourself, but
it recognizes *dmd-* (or *ldc2-* or *gdc-*) all the same so you
can specifiy them.
I was doing that in early versions of my android
On Tuesday, 14 April 2020 at 21:54:14 UTC, Jean-Louis Leroy wrote:
O.kay. It looks like `is` is D's Swiss army chainsaw.
Aye, is and __traits are the two built-in compile-time reflection
avenues. The phobos std.traits things (for the most part, look at
the source for the default
On Tuesday, 14 April 2020 at 21:35:12 UTC, Jean-Louis Leroy wrote:
I can see them:
There's some weird tricks to it. Check out my old blog sidebar
about it here:
http://dpldocs.info/this-week-in-d/Blog.Posted_2019_02_11.html#how-to-get-uda-on-a-function-param
On Monday, 13 April 2020 at 02:20:39 UTC, Adnan wrote:
Now in the above inner loop getStr(node["com"].str()) crashes
in runtime if an array does not contain "com" node. I want to
avoid that. How should I proceed?
Try:
if("com" in node) {
}
On Monday, 13 April 2020 at 01:42:51 UTC, Leonardo wrote:
Is it possible to store different subclasses in one array?
In C#, we have this example, but how I do that in D?
Did you try
BaseItem[] GameItems;
GameItems ~= new Weapon();
yet?
On Saturday, 11 April 2020 at 15:14:21 UTC, Adam D. Ruppe wrote:
I'll come back to it later tonight or something, but yeah
definitely bugs on my end there, so I'll take care of it.
Just rebuilt your page with the new stuff...
* fixed a bunch of bugs in private: detection. Most your modules
On Saturday, 11 April 2020 at 14:49:17 UTC, Anonymouse wrote:
Yes, http://kameloso.dpldocs.info/kameloso.plugins.seen.html.
onBusMessage is private like the other functions, but it shows
up. (Additionally the public imports are private.)
Oh, I see, my colon attribute code is bad, it doesn't
On Saturday, 11 April 2020 at 06:49:21 UTC, Anonymouse wrote:
I'm trying to get docs for my project hosted, and everything
works, except there are entries missing. Looking at the
generated docs.json there's simply a lot of omitted stuff.
My dpldocs.info site doesn't use docs.json, it goes
On Thursday, 9 April 2020 at 17:23:19 UTC, Quantium wrote:
We can use WinAPI. Are there any D libs to use WinAPI?
import core.sys.windows.windows;
it is all built in.
On Tuesday, 7 April 2020 at 14:51:15 UTC, H. S. Teoh wrote:
1) Follow LDC wiki to build an Android cross-compiler and
cross-compiled
LDC libraries (this may already be prepackaged with the
latest LDC
releases).
They are - this is all automatic just-works now (if you download
the
On Monday, 6 April 2020 at 08:38:03 UTC, Jan Hönig wrote:
Is there some "Hello World!" example for D on Android?
So I did a tiny thing in the repo:
https://github.com/adamdruppe/d_android/tree/master/android-dub-test
if you open that in android studio it should load up, and the
makefile is
On Tuesday, 7 April 2020 at 11:45:24 UTC, burt wrote:
I managed to get it to compile. I had to add __bss_end__ symbol
myself and set the value to the value of the `_end` symbol or
it wouldn't work. A PR to the LDC druntime is wat caused the
__bss_end__ symbol to be missing [0].
Blargh it was
On Thursday, 2 April 2020 at 11:29:24 UTC, burt wrote:
Anyway, I don't think this fails to work because of an error in
the d_android library. If you find anything else that may cause
it, I am glad to know, but thank you for your help.
Well, it is supposed to be a "just works" setup helper, so
On Wednesday, 1 April 2020 at 15:04:02 UTC, burt wrote:
Well I'm European, so with 10.010 kB I mean 10010 kB = 10.010
MB in American/British.
ah, of course.
Well, I won't be able to finish it today anyway, so take your
time.
I rewrote the downloader so it goes straight from ldc releases
On Thursday, 2 April 2020 at 01:27:26 UTC, Nicholas Wilson wrote:
https://github.com/ldc-developers/druntime/blob/ldc/src/ldc/intrinsics.di#L22-L34
ah excellent that will do. thanks!
I want to do like
static if(__LDC_VERSION == 1.19) {
// declaration
}
All the tricks I know that I have tried so far give the dmd
numbers. Perhaps I could use that to identify a particular
version as a hack, but I specifically am curious about the ldc
version because of a change they made
On Wednesday, 1 April 2020 at 19:35:30 UTC, Net wrote:
from the below code, the expression "case [c]":
That's just an array literal, so the same as like
"" ~ c
On Wednesday, 1 April 2020 at 15:04:44 UTC, Jesse Phillips wrote:
It is nice that bounds checks remain in place when using
release and the code is @safe.
Yeah, it used to be even worse than it is now, but it is still a
terrible switch that should NEVER be used. There are always
better ways
On Wednesday, 1 April 2020 at 14:54:35 UTC, burt wrote:
libphobos2-ldc.a and libphobos2-ldc-debug.a. Sizes are 2511 kB,
4792 kB, 10.010 kB and 17.378 kB respectively.
Those latter two should be megabytes not kilobytes the
download must have failed.
can i come back to it in a few hours?
On Wednesday, 1 April 2020 at 14:20:25 UTC, burt wrote:
Some examples of errors are:
Those mean it isn't linking in the libs at all... ugh.
do
ldc2 -v
and it will tell you where the config file is.
open that up and see if it has teh correct paths under a section
that looks kinda like
On Wednesday, 1 April 2020 at 14:13:32 UTC, burt wrote:
I also wonder if there's a difference between the
libphobos2-ldc and libphobos2-ldc-debug.a libraries? Do those
mangle differently and could that cause the linker errors?
maybe. what are the errors?
On Wednesday, 1 April 2020 at 13:36:29 UTC, burt wrote:
Sorry, I must have misread this. My LDC version was 1.20.1, not
1.19.
did that fix the linker error?
The runtimes it downloads are specifically built against 1.19.
But libs for the other versions are available too, you just need
to
On Wednesday, 1 April 2020 at 06:48:09 UTC, Jacob Carlborg wrote:
You have not enabled optimizations. You should compile with `-O
-release -inline` to enable all optimizations.
-release should *never* be used. You're trading memory safety and
security holes for a few microseconds of execution
On Wednesday, 1 April 2020 at 08:50:01 UTC, burt wrote:
I found a README [0] that mentions an "android-dub-build.d"
script, which should be a wrapper around `dub build`
Ah, I forgot to update that file. There is no android-dub-build
anymore, instead the android-setup changes the main
On Thursday, 26 March 2020 at 10:07:35 UTC, BetaDamnit wrote:
Maybe you have some free time with nCoV?
nope, it is even worse for my time right now.
It seems rather straight forward, just use ldc2, ndk linker,
and proper linking to android libs to use the functionality
Yeah, that's
My thingy can help
https://github.com/adamdruppe/d_android
a lot is built into ldc now too which is really nice as well.
i need to update my repo to use the new ldc features, hoping to
tomorrow. i'm just behind on a lot of things lol
On Monday, 23 March 2020 at 14:26:46 UTC, Anders S wrote:
do you mean I should loop through each pos till
strlen(cellTab[CellIndex].name) to find "\0"?
strlen is ok, that gives the answer itself. Just slice to that.
cellTab[CellIndex].name[0 .. strlen(cellTab[CellIndex].name.ptr)]
could do
My first thought is to!string(cellTab[CellIndex].name) is wrong,
if it is a char[20] you should be scanning it to find the length
and slicing. Maybe [0 .. name.indexOf("\0")] or whatever.
You also shouldn't be building a query by concatenation.
On Monday, 23 March 2020 at 01:18:15 UTC, walker wrote:
Which function should I use when I read Chinese characters in
the terminal?
Terminal.getline *might* work in my lib, but if there's combining
codepoints I'm not sure. You can try it though and let me know if
you are already using the
On Sunday, 22 March 2020 at 15:19:13 UTC, walker wrote:
writeln(var1);
writeln calls the wrong function for the Windows console.
You can kinda hack it by changing the code page like Steven said
(which has other bugs though, but works for many cases), or you
can call the correct function -
On Thursday, 19 March 2020 at 04:30:32 UTC, Calvin P wrote:
my question is, how to get it in compile time like static
function address:
=
struct A {
void d(){};
static void fn(){};
}
enum FN = // static method address is ok
enum A1 = (&__traits(getMember, A,"d")).funcptr;
On Sunday, 15 March 2020 at 02:11:21 UTC, Marcone wrote:
It is very useful when making tests. But only who came from
interpreted languages can understand.
The compiler catches all compile errors. It is impossible to even
run a program if there is even a single compile error. Thus they
cannot
On Saturday, 14 March 2020 at 23:39:11 UTC, Adnan wrote:
Full code
this worked for me when i copy/pasted it... are you sure that has
the error? if so what compiler version you on?
On Monday, 9 March 2020 at 10:09:56 UTC, Calvin P wrote:
@property exists so many years, Druntime & Phobos use it
2280 times. I can't believe it is not recommended.
They never implemented it right. This opCall type thing was THE
case we brought up to introduce @property in the first
On Saturday, 7 March 2020 at 16:30:59 UTC, Robert M. Münch wrote:
Which of course doesn't work... I didn't find any reference how
to build-up strings in a statif foreach loop.
Is this possible at all?
Use regular foreach with a regular string. Put that inside a
function.
Then simply use
On Friday, 6 March 2020 at 15:05:56 UTC, wjoe wrote:
But didn't like the string part and that's when I introduced
the alias fn because I figured maybe it's possible to do
something like:
factory.dispatch!(Bitmap.load)(handle, path);
and get the Bitmap part from that alias and hence save the
On Friday, 6 March 2020 at 14:05:55 UTC, Steven Schveighoffer
wrote:
Adam's way doesn't work either, because the call doesn't use
the alias, but just instantiates opDispatch with the new name!'
oh yikes, how did I not notice that?!
so yeah just kinda screwed. I'd probably suggest at tis point
On Friday, 6 March 2020 at 11:51:54 UTC, wjoe wrote:
I don't understand this error message. Which type can't be
resolved?
I don't know. It works if you rename the inner one but it
doesn't like eponymous templates like this. I suspect either the
spec subtly doesn't allow it or a compiler
On Friday, 6 March 2020 at 13:03:22 UTC, drug wrote:
Here x will be null. You can use `enforce(x !is null);` if you
want exception.
or since enforce returns it thing, just do
B b = enforce(cast(B) x);
you can also check easily in if statements:
if(auto b = cast(B) x) {
// x was a b, use
On Thursday, 5 March 2020 at 20:13:11 UTC, Adnan wrote:
auto d = some!(some!int(9));
My guess would be this line is causing your trouble. That is
trying to pass an instance as a value at compile time, thus
triggering ctfe.
Since you use the `Array` object inside and that uses
On Thursday, 5 March 2020 at 14:24:33 UTC, wjoe wrote:
Implement this for free functions i would do something like this
void dispatch(alias fn, ARGS...)(Handle handle, ARGS args)
Why do you need an `alias fn` like that?
My suggestion would be to just use the `opDispatch` magic method
that
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