Ruby | Set include?() function

Ruby | Set intersection() function

Last Updated : 04 Dec, 2020

The intersection() is an inbuilt method in Ruby that returns a set which contains the common elements in both the set. In case there are no common elements, it returns an empty set.

Syntax: s1.name.intersection(s2.name)

Parameters: The function does not takes any parameter.

Return Value: It returns a new set that contains the common elements in both the sets.

Example 1:

Ruby

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

Output:

Set: {1, 2}

Example 2:

Ruby

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

Output:

<Set: {}

Ruby | Set include?() function

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