Function devirtualizeString

string.go:320–335

(s String)

}

func devirtualizeString(s String) (asciiString, unicodeString) {
	switch s := s.(type) {
	case asciiString:
		return s, nil
	case unicodeString:
		return "", s
	case *importedString:
		s.ensureScanned()
		if s.u != nil {
			return "", s.u
		}
		return asciiString(s.s), nil
	default:
		panic(unknownStringTypeErr(s))
	}
}

func unknownStringTypeErr(v Value) interface{} {
	return newTypeError("Internal bug: unknown string type: %T", v)