The proper_superset? is an inbuilt method in Ruby that returns true if a set if a proper superset of another set. If it is not a proper superset, then it returns false.
Syntax: s1.proper_superset?(s2.name)
Parameters: The function does not takes any parameter.
Return Value: It returns true if set s1 is a proper superset of s2, else it returns false.
Example 1:
# Ruby program to illustrate # the proper_superset? method # requires the set require "set"
s1 = Set[1, 2]
s2 = Set[1, 2, 3]
# proper_superset? method used puts s1.proper_superset?(s2) |
Output:
false
Example 2:
# Ruby program to illustrate the # proper_superset? method # requires the set require "set"
s1 = Set[1, 2, 3, 4] s2 = Set[1, 2, 3] # proper_superset? method used puts s1.proper_superset?(s2)
|
Output:
true