Method: Hash#keys?

Defined in:
lib/core/facets/hash/keys.rb

#keys?(*check_keys) ⇒ Boolean Also known as: has_keys?

Returns true or false whether the hash contains the given keys.

h = { :a => 1, :b => 2 }
h.has_keys?( :a )   #=> true
h.has_keys?( :c )   #=> false

CREDIT: Trans

Returns:

  • (Boolean) 

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# File 'lib/core/facets/hash/keys.rb', line 12

def keys?(*check_keys)
  unknown_keys = check_keys - self.keys
  return unknown_keys.empty?
end