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 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 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