The subset?() is an inbuilt method in Ruby returns true if the set is a subset of the given set.
Syntax: s1_name.subset?(s2_name)
Parameters: The function takes a mandatory parameter with which it is ch
Return Value: It returns self.
Example 1:
# Ruby program to illustrate # the subset?() method # requires the set require "set" s1 = Set[2, 12, 78, 10, 87, 98] s2 = Set[2, 10, 87] # reset method used puts s2.subset?(s1) |
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filter_none
Output:
true
Example 2:
# Ruby program to illustrate # the subset?() method # requires the set require "set" s1 = Set[2, 12, 78, 10, 87, 98] s2 = Set[1, 2, 3] # reset method used puts s2.subset?(s1) |
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filter_none
Output:
false
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