code: func Get() Logger {
  	_Singleton.once.Do(func() {
  		if _Singleton.log == nil {
  			initialize()
  		}
  	})
  
  	return _Singleton.log
  }
docs: // Get obtains the singleton Logger. If Set has not been called first, this
  // method initializes with basic defaults.  The basic defaults cannot error, and
  // subsequent access to an already-set Logger also cannot error, so this method is
  // error-safe.