Base type for arrays

[jmh530 via Digitalmars-d-learn]

On Wednesday, 17 June 2015 at 20:33:11 UTC, Namespace wrote:
> ----
> import std.stdio;
>
> template BaseTypeOf(T) {
>     static if (is(T : U[], U))
>         alias BaseTypeOf = BaseTypeOf!(U);
>     else
>         alias BaseTypeOf = T;
> }
>
> void foo(T : U[], U)(T arr) if (is(BaseTypeOf!(U) == real)) {
> 	
> }
>
> void main() {
> 	//real _x;
> 	real[2] x;
> 	real[2][2] xx;
> 	real[2][2][2] xxx;
> 	
> 	//float[2] yy;
> 	
> 	//foo(_x);
> 	foo(x);
> 	foo(xx);
> 	foo(xxx);
> 	
> 	//foo(yy);
> }
> ----
>
> should work

Thanks. I'm going to make a lot of use of this. I would say it 
deserves to be in std.traits.