[erlang-questions] How to return first {Key, Value} from Map where Predicate is true

[Björn-Egil Dahlberg]

Obviously there is a need for iterators. Map comprehensions will not 
work well without it.

It's already on the TODO list ..

On 2015-01-08 18:46, Imants Cekusins wrote:
> An iterator function with a break option would be very useful, too.
>
> Even the current maps:fold function could be modified to allow break:
>
> fold(Fun, Init, Map) -> Acc
>
> Types:
>
> Fun = fun((K, V, AccIn) -> AccOut)
>
> modify to:
> Fun = fun((K, V, AccIn) -> AccOut | {break, AccOut})
>
> ?
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