code: func (r *Reference) Strings() [2]string {
  	var o [2]string
  	o[0] = r.Name().String()
  
  	switch r.Type() {
  	case HashReference:
  		o[1] = r.Hash().String()
  	case SymbolicReference:
  		o[1] = symrefPrefix + r.Target().String()
  	}
  
  	return o
  }
docs: // Strings dump a reference as a [2]string