Ruby | Set difference() function
Last Updated :
07 Jan, 2020
The difference is an inbuilt method in Ruby that returns a new set built by duplicating the set, removing every element that appears in the given enumerable object.
Syntax: s1.name – s2.name
Parameters: The function does not takes any parameter.
Return Value: It returns a new set built by duplicating the set, removing every element that appears in the given enumerable object.
Example 1:
require "set"
s1 = Set[ 1 , 2 , 4 ]
s2 = Set[ 1 , 2 , 3 ]
s3 = s1.difference(s2)
puts s3
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Output:
Set: {4}
Example 2:
require "set"
s1 = Set[ 1 , 2 , 4 ]
s2 = Set[ 6 , 5 , 3 ]
s3 = s1.difference(s2)
puts s3
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Output:
Set: {1, 2, 4}
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