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Ruby | Set >= method

  • Last Updated : 07 Jan, 2020
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The >= 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 >= 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 >= method
  
#requires the set
require "set"
  
    s1
    = Set[1, 2] s2 = Set[1, 2, 3]
  
#superset ? method used
                     puts s2
                     >= s1

Output:

true

Example 2:




#Ruby program to illustrate
#the >= method
  
#requires the set
require "set"
  
    s1
    = Set[9, 7, 5] s2 = Set[12, 76]
  
#>= method used
                        puts s2
                        >= s1

Output:

false

Reference: https://devdocs.io/ruby~2.5/set#method-i-3E-3D

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