std-subsetp | ![]() |
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.
(std-subsetp '(1 2) '(0 2 1 2)) => T
(std-subsetp '(3 1 2) '(0 2 1 2)) => nil
subset, set: proper lists, without defined order.
T or nil.
None.
(std-require 'STDLIST)
Defined in STDLIST