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 KASH3 Reference Manual
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Function

First ( string s, func pred ) -> char

Optional Arguments

FailanyDetermines what to return in case of failure.

Description

Find the first character which suffices the predicate function `pred' and return it.
Note: Apparently `pred' must have `-> elt-alg^boo' out-signature.

Examples

First("abcdefzyx",i->(i='d' or i='z'));

See also

Last ( string, func ) -> char

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