Ruby | Set include?() function
The include?() is an inbuilt method in Ruby returns true if the set contains the given object. It returns false if it does not contains the given object.
Syntax: s1_name.include?(object)
Parameters: The function accepts a mandatory parameter object whose presence is to be checked for.
Return Value: It returns true if the set contains the given object or it returns false.
Example 1:
require "set"
s1 = Set[ 16 , 8 , 3 , 5 , 2 ]
puts s1.include?( 2 )
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Output:
true
Example 2:
require "set"
s1 = Set[ 1 , 2 , 3 ]
puts s1.include?( 5 )
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Output:
false
Last Updated :
07 Jan, 2020
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