Ruby | Set – method
The – 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:
#Ruby program to illustrate the - method #requires the set require "set" s1 = Set[1, 2, 4] s2 = Set[1, 2, 3] #+ method used s3 = s1 - s2 #Prints the s3 puts s3 |
Output:
Set: {4}
Example 2:
#Ruby program to illustrate the - method #requires the set require "set" s1 = Set[1, 2, 4] s2 = Set[6, 5, 3] #& method used s3 = s1 - s2 #Prints the s3 puts s3 |
Output:
Set: {1, 2, 4}
Reference: https://devdocs.io/ruby~2.5/set#method-i-2D
Contact Us