Method: Module#ensure_undefined!

Defined in:
lib/mumuki/domain/extensions/module.rb

#ensure_undefined!(selector) ⇒ Object 



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# File 'lib/mumuki/domain/extensions/module.rb', line 8

def ensure_undefined!(selector)
  # FIXME pass additional false flag in ruby 2.6
  raise "method #{selector} was previously defined here" if method_defined?(selector)
end