Ruby | Enumerable include?() function
Last Updated :
05 Dec, 2019
The include?() of enumerable is an inbuilt method in Ruby returns a boolean value. It returns true if the enumerable contains the given elements, or else it returns false.
Syntax: enu.include?(el)
Parameters: The function takes an element which is to be checked for.
Return Value: It returns a boolean value.
Example #1:
enu = [ 2 , 8 , 9 , 10 , 23 ]
puts enu.include?( 8 )
puts enu.include?( 7 )
|
Output:
true
false
Example #2:
enu = ( 20 .. 30 )
puts enu.include?( 10 )
puts enu.include?( 29 )
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Output:
false
true
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