Ruby | Set intersection() function

The intersection() is an inbuilt method in Ruby that returns a set which contain 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:

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# 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

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Output:

Set: {1, 2}

Example 2:

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# Ruby program to illustrate the & 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

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Output:

<Set: {}


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