template specialization

[Chris Nicholson-Sauls]

Thorsten Kiefer wrote:
> OK, I solved it that way :
> 
> char[] toString(T)(T x){
> 	static if(is(T B == B[])) {
> 		char[] s;
> 		s ~= '[';
> 		if(x.length > 0){
> 			s ~= toString(x[0]);
> 			foreach(y;x[1..$]){
> 				s ~= ',';
> 				s ~= toString(y);
> 			}
> 		}
> 		s ~= ']';
> 		return s;
> 	} else {
> 		return std.string.toString(x);
> 	}
> }
> 

You could also get this same effect just by calling std.string.format(), which as I recall 
formats arrays in precisely this way.

format("%s", [1, 2, 3]) => "[1, 2, 3]"

(Admittedly its been a little while since I used Phobos, though.)

-- Chris Nicholson-Sauls