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Ruby | Hash member? function

Last Updated : 07 Jan, 2020
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Hash#member?() is a Hash class method which checks whether the given key is present in hash is not.

Syntax: Hash.member?()

Parameter: Hash values

Return: true – if given key is present in hash otherwise return false

Example #1 :




# Ruby code for Hash.member?() method
  
# declaring Hash value
a = {a:100, b:200}
  
# declaring Hash value
b = {a:100, c:300, b:200}
  
# declaring Hash value
c = {a:100}
  
  
# member? Value
puts "Hash a member? form : #{a.member?("a")}\n\n"
  
puts "Hash b member? form : #{b.member?("c")}\n\n"
  
puts "Hash c member? form : #{c.member?("a")}\n\n"
 






                        










Output :


Hash a member? form : false

Hash b member? form : false

Hash c member? form : false




Example #2 :













                                    




                                    

                                    




                                    




                                    

                                    

                                    
                                




















# Ruby code for Hash.member?() method 


  


# declaring Hash value 


a = { "a" => 100, "b" => 200 } 


  


# declaring Hash value 


b = {"a" => 100} 


  


# declaring Hash value 


c = {"a" => 100, "c" => 300, "b" => 200} 


  


# member? Value 


puts "Hash a member? form : #{a.member?("a")}\n\n"


  


puts "Hash b member? form : #{b.member?("c")}\n\n"


  


puts "Hash c member? form : #{c.member?("a")}\n\n"



















                        







                        










Output :


Hash a member? form : true

Hash b member? form : false

Hash c member? form : true






                                    


                                                                        

                                        

                                            

                                                

                                                    
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                                                    Kirti_Mangal                                                

                                            

                                            

            
                                        

                                        

                                            
    

        
        
    
                                            

                                                
                                                
                                            

                                            

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