[Swift-devel] Associative arrays: foreach index issue.

[Mihael Hategan]

On Fri, 2011-06-24 at 21:30 +0200, Ben Clifford wrote:
> > 
> > int array[string].
> 
> agree.
> 
> (Part of my justification: conceptually (even if it is never
> implemented) any data type that has a sensible equality relation can
> be used as an index. Other examples are booleans, and structs composed
> of other types with equality.)

Right. I was thinking about that and I believe it's straightforward to
implement equality for structs. In one of the m/r "translations" i was
talking about earlier there was a need for a struct key.