std-subsetp


Synopsis

(std-subsetp <subset> <set>)

Description

STD-SUBSETP is the predicate if the subset is a subset of set. All elements of the subset must be member of the set.

A set is a list without defined order of elements, ignoring duplicate elements.

Example

(std-subsetp '(1 2) '(0 2 1 2)) => T

(std-subsetp '(3 1 2) '(0 2 1 2)) => nil

Arguments

subset, set: proper lists, without defined order.

Return Value

T or nil.

Side Effects

None.

Module

(std-require 'STDLIST)

Defined in STDLIST