On Wed, 2007-08-15 at 10:50 -0700, Stefan O'Rear wrote:
> OTOH, your proposal provides (IMO) much more natural syntax for
> multi-pattern anonymous functions, especially if we stipulate that
> unlike a case (but like a lambda) you can have multiple arguments; then
> you could write stuff like:
>
> sumTo0 = foldr (\of 0 k -> 0
> n k -> n + k) 0
>
> Anyone else like this?
Why not just:
sumTo0 = foldr (\0 k -> 0
n k -> n + k) 0
I find using "case" or "of" for multiple arg lambda pattern matches odd
since "case foo of" is only used for single arg pattern matches.
I suppose the equivalent explicit layout syntax would be:
sumTo0 = foldr (\{ 0 k -> 0; n k -> n + k }) 0
Duncan
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