Why is std.algorithm.reduce impure?

[H. S. Teoh]

On Tue, Mar 06, 2012 at 03:00:16PM -0800, H. S. Teoh wrote:
[...]
> But why can't 'this' be const? For example, why does the compiler
> reject this:
> 
> 	class A {
> 		int[] data;
> 		pure const int sum() {
> 			return reduce!"a*b"(data);
> 		}
> 	}
> 
> I'm not modifying data at at all, so why should it be an error?
[...]

Actually, nevermind that. Looks like a compiler bug that got fixed in
dmd, but hasn't been pulled into gdc yet. I'll just have to be patient.
:-)


T

-- 
A mathematician is a device for turning coffee into theorems. -- P. Erdos