Ruby | Set + method
Last Updated :
07 Jan, 2020
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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