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Ruby | Set superset? function
  • Last Updated : 07 Jan, 2020
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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

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