Module: Contractual::Interface::Methods

Defined in:
lib/contractual.rb

Instance Method Summary collapse

Instance Method Details

#does_not_implement_method(klass, method_name = nil) ⇒ Object

Raises:



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# File 'lib/contractual.rb', line 14

def does_not_implement_method(klass, method_name = nil)
  if method_name.nil?
    caller.first.match(/in \`(.+)\'/)
    method_name = $1
  end

  klass_name = klass.class.name
  interface_name = self.name

  raise MethodNotImplementedError.new("#{klass.class.name} is obligated to implement '#{method_name}' for interface #{self.name}!")
end