2011/5/29 Dmitry A. Soshnikov <dmitry.soshni...@gmail.com> That's it, exactly. We always looking for a shorter sugar. Though, the main > thing that the sugar shouldn't be cryptic at the same time. Probably > Erlang's list comprehensions are cryptic for someone, but again, taking into > account arrow-functions, seems arrow-comprehensions aren't so cryptic. >
I think that your proposal based in Haskell's syntax is natural,clear and easy for the user. A EBNF grammar for it: ListComprehension : '[' Expression '|' IterableOrFilter (,IterableOrFilter)+ ']' IterableOrFilter: Id '<-' ArrayOrGenerator | BooleanFilter The problem is the LL(1) conflict with Array Literal, but that doesn't matter much, right? ;) Jose.
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