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Ruby | Enumerable member? function

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The member?() 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.member?(el) Parameters: The function takes an element which is to be checked for. Return Value: It returns a boolean value.
Example #1:
# Ruby program for member? method in Enumerable
  
# Initialize 
enu = [2, 8, 9, 10, 23]
  
# Prints
puts enu.member?(8)
  
puts enu.member?(7)

                    
Output:
true
false
Example #2:
# Ruby program for member? method in Enumerable
  
# Initialize 
enu = (20..30)
  
# Prints
puts enu.member?(10)
  
puts enu.member?(29)

                    
Output:
false
true

Last Updated : 05 Dec, 2019
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