What is the proper way to outline static-if-conditions ?

[Elmar]

On Sunday, 10 October 2021 at 14:08:13 UTC, drug wrote:
> You just need to check if T is a pointer:
> ```D
> import std;
>
> alias DA = int[];
> alias SA = int[3];
>
> alias PSA = SA*;
> alias PDA = DA*;
>
> version(all)
> 	enum isPointedStaticArray(T) = isPointer!T && 
> isStaticArray!(PointerTarget!T);
> else
> 	enum isPointedStaticArray(T) = isPointer!T && 
> is(PointerTarget!T : P[N], P, size_t N);  // this way you can 
> get array length
>
> static assert(!isPointedStaticArray!DA);
> static assert(!isPointedStaticArray!SA);
> static assert(!isPointedStaticArray!PDA);
> static assert( isPointedStaticArray!PSA);
>
> void main()
> {
> }
> ```
> https://run.dlang.io/is/qKdx1D
>
> Also you can use another way to detect static array - it can be 
> useful if you need to get its length

Wow, this is a fine solution. I gonna use it, thank you :-) .