[Swift-devel] iterations on cartesian and inner products

[Ben Clifford]

> > Rather than implementing it in the iteration construct, a Haskelly (and 
> > more general) way to do this would be something like this:
> > 
> > i) put anonymously-typed tuples into the language
> 
> That was my initial train of thought, but my brain discarded it for
> being too far away from our current implementation.

it ties in with an area thats very rough in the current language and that 
I'd like to fix; so maybe it isn't too far.
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