Module: TryChain::InstanceMethods

Included in:
Object
Defined in:
lib/try_chain.rb

Instance Method Summary collapse

Instance Method Details

#try_chain(*symbols) ⇒ Object 



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# File 'lib/try_chain.rb', line 26

def try_chain(*symbols)
  return nil if self.nil?

  symbols = symbols.flatten
  symbols.compact!

  symbols.reduce(self) do |result, symbol|
    result = result.try do |selph|
      selph.__send__(symbol) if selph.respond_to?(symbol, true)
    end

    break nil if result.nil?
    result
  end
end

#try_chain!(*symbols) ⇒ Object 



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# File 'lib/try_chain.rb', line 42

def try_chain!(*symbols)
  return nil if self.nil?

  symbols = symbols.flatten
  symbols.compact!

  symbols.reduce(self) do |result, symbol|
    result = result.try! do |selph|
      selph.__send__(symbol)
    end

    break nil if result.nil?
    result
  end
end