element_of

Settable:
no
Arguments:
(1) character, character array
(2) object, object array
(3) room, room array
(4) integer, integer array
(5) boolean, boolean array
(6) string, string array
Return Value:
boolean

Returns whether the array contains the given element or not. Thus

element_of('a',['a','b','c'])

returns true while

element_of(1,[2,3,4,5])

returns false.