string getString2(in string input) {
		long start, end;
		while(start < input.length && input[start] != '"')
			start++;
		start++;
		end = input.length - 1;
		while(end > 0 && input[end] != '"')
			end--;
		end--;

		return input[start .. end];
	}

	unittest {
(543)		writeln(getString2(`st"1 2 3"`));
	}

control.d(543): Error: 'this' is only defined in non-static member functions, not __unittestL542_3

What does it mean about 'this'?

On Wednesday, 3 September 2014 at 04:00:30 UTC, Joel wrote:
> 	string getString2(in string input) {
> 		long start, end;
> 		while(start < input.length && input[start] != '"')
> 			start++;
> 		start++;
> 		end = input.length - 1;
> 		while(end > 0 && input[end] != '"')
> 			end--;
> 		end--;
>
> 		return input[start .. end];
> 	}
>
> 	unittest {
> (543)		writeln(getString2(`st"1 2 3"`));
> 	}
>
> control.d(543): Error: 'this' is only defined in non-static member functions, not __unittestL542_3
>
> What does it mean about 'this'?

Oh, I get it now. It's in a struct scope.