Ruby | Set subset? function

The subset?() is an inbuilt method in Ruby returns true if the set is a subset of the given set.

Syntax: s1_name.subset?(s2_name)

Parameters: The function takes a mandatory parameter with which it is ch

Return Value: It returns self.

Example 1:

# Ruby program to illustrate
# the subset?() method

# requires the set
require "set"

s1 = Set[2, 12, 78, 10, 87, 98]
s2 = Set[2, 10, 87]

# reset method used
puts s2.subset?(s1)

Output:

true

Example 2:

# Ruby program to illustrate
# the subset?() method

# requires the set
require "set"

s1 = Set[2, 12, 78, 10, 87, 98]
s2 = Set[1, 2, 3]

# reset method used
puts s2.subset?(s1)

Output:

false