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:
require "set"
s1 = Set[ 1 , 2 ]
s2 = Set[ 1 , 2 , 3 ]
puts s1.proper_superset?(s2)
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Output:
false
Example 2:
# 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
Last Updated :
07 Jan, 2020
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