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| ### Function First ( seq() s, func pred ) -> any ### Optional Arguments
Fail | any |  | Determines what to return in case of failure.
### Description Find the first element which suffices the predicate function `pred' and return it. Note: Apparently `pred' must have `-> elt-alg^boo' out-signature. ### Examples First(Sequence([1..100]),IsPrime); First(Sequence([2,4,6,8,12,50,100]),i->i mod 5=0); ### See also Last ( seq(), func ) -> any
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