Method: Hash#value_at_chain

Defined in:
lib/hash_extension.rb

#value_at_chain(chain) ⇒ Object 



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# File 'lib/hash_extension.rb', line 2

def value_at_chain(chain)
  current = self
  chain.each do |key|
    if current.is_a? Hash and current.has_key? key
      current = current[key]
      if current.is_a? Array
        current = current.last
      end
    else
      current = nil
      break
    end
  end
  return current
end