Method: Module#define_once

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

#define_once(selector, *args, &block) ⇒ Object 



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# File 'lib/mumuki/domain/extensions/module.rb', line 13

def define_once(selector, *args, &block)
  ensure_undefined! selector
  define_method selector, *args, &block
end