Base type for arrays

[Namespace via Digitalmars-d-learn]

----
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