Ruby | Set superset? function

The superset? is an inbuilt method in Ruby that returns true if a set if a superset of another set. If it is not a superset, then it returns false.

Syntax: s1.superset?(s2.name) Parameters: The function takes a mandatory parameter s2 which is checked for superset of s1. Return Value: It returns true if set s2 is a superset of s1, else it returns false.

Example 1: Ruby

# Ruby program to illustrate 
# the superset? method 
 
# requires the set 
require "set"
 
s1 = Set[1, 2]
s2 = Set[1, 2, 3] 
 
# superset? method used  
puts s2.superset?(s1)

Output:

true

Example 2: Ruby

# Ruby program to illustrate 
# the superset? method 
 
# requires the set 
require "set"
 
s1 = Set[9, 7, 5]
s2 = Set[12, 76] 
 
# superset? method used  
puts s2.superset?(s1)

Output:

false