Ruby | Set + method
The + is an inbuilt method in Ruby that returns a set which contain all the elements of both the sets. The common elements in both the sets appears once. The ‘+’ method acts as union operation.
Syntax: s1.name + s2.name
Parameters: The function does not takes any parameter.
Return Value: It returns a new set that contains all the elements of both the set.
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: {1, 2, 4, 3}
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, 6, 5, 3}
Reference: https://devdocs.io/ruby~2.5/set#method-i-2B
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