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 KASH3 Reference Manual
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Function

First ( list l, func pred ) -> any

Optional Arguments

FailanyDetermines 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([1..100],IsPrime);
First([2,4,6,8,12,50,100],i->i mod 5=0);

See also

Last ( list, func ) -> any

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