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 KASH3 Reference Manual
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Function

Position ( list L, any a ) -> elt-ord^rat

Optional Arguments

Startelt-ord^rat (Default: 1) Determines the position where the search is started.
FailanyDetermines what to return in case of failure.

Description

Return the position of the first occurence of `a' in `L' if `a in L' is true, and FAILURE otherwise.

Examples

L:=[1,,3,4]; Position(L,3); Position(L,1,rec(Start:=2)); Position(L,"foo");
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