Method: Hash#only

Defined in:
lib/lab419/core/hash.rb

#only(*keys) ⇒ Object 



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# File 'lib/lab419/core/hash.rb', line 7

def only *keys
  keys.inject Hash.new do | h, k |
    has_key?( k ) ? h.merge( k => self[k] ) : h
  end
end