Ruby | Set proper_superset? function

The proper_superset? is an inbuilt method in Ruby that returns true if a set if a proper superset of another set. If it is not a proper superset, then it returns false.

Syntax: s1.proper_superset?(s2.name)

Parameters: The function does not takes any parameter.



Return Value: It returns true if set s1 is a proper superset of s2, else it returns false.

Example 1:

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

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Output:

false

Example 2:

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

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Output:

true


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