Ruby | Set difference() function

The difference is an inbuilt method in Ruby that returns a new set built by duplicating the set, removing every element that appears in the given enumerable object.

Syntax: s1.name - s2.name Parameters: The function does not takes any parameter. Return Value: It returns a new set built by duplicating the set, removing every element that appears in the given enumerable object.

Example 1: Ruby

# Ruby program to illustrate the difference method 
 
# requires the set 
require "set"
 
s1 = Set[1, 2, 4]
s2 = Set[1, 2, 3] 
 
# difference method used
s3 = s1.difference(s2)
 
# Prints the s3 
puts s3

Output:

Set: {4}

Example 2: Ruby

# Ruby program to illustrate the difference method 
 
# requires the set 
require "set"
 
s1 = Set[1, 2, 4]
s2 = Set[6, 5, 3] 
 
# difference method used
s3 = s1.difference(s2)
  
# Prints the s3 
puts s3

Output:

Set: {1, 2, 4}