Ruby | Hash member? function
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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