var b []byte
	if buf != nil {
		b = buf[:]
		s = slicebytetostringtmp(&b[0], len(b))
	} else {
		s, b = rawstring(4)
	}
	if int64(rune(v)) != v {
		v = runeError
	}
	n := encoderune(b, rune(v))
	return s[:n]
}

// rawstring allocates storage for a new string. The returned
// string and byte slice both refer to the same storage.
// The storage is not zeroed. Callers should use

	{String, `"\ufA16"`},
	{String, `"\U00000000"`},
	{String, `"\U0000ffAB"`},
	{String, `"` + f100 + `"`},

	{Comment, "// raw strings"},
	{RawString, "``"},
	{RawString, "`\\`"},
	{RawString, "`" + "\n\n/* foobar */\n\n" + "`"},
	{RawString, "`" + f100 + "`"},

	{Comment, "// individual characters"},
	// NUL character is not allowed
	{'\x01', "\x01"},
	{' ' - 1, string(' ' - 1)},
	{'+', "+"},

const (
	EOF = -(iota + 1)
	Ident
	Int
	Float
	Char
	String
	RawString
	Comment

	// internal use only
	skipComment
)

var tokenString = map[rune]string{
	EOF:       "EOF",
	Ident:     "Ident",
	Int:       "Int",
	Float:     "Float",
	Char:      "Char",
	String:    "String",
	RawString: "RawString",
	Comment:   "Comment",
}

 func (k <type 28>) String () <type -16>;
>; Implements (u <type 26>) <type -15>; AssignableTo (u <type 26>) <type -15>; Bits () <type -11>; ChanDir () <type 29 "ChanDir" <type -11>

		return
	}
	w.stringMap[s] = w.off
	w.RawString(s)
}

func (w *Writer) stringOff(s string) uint32 {
	off, ok := w.stringMap[s]
	if !ok {
		panic(fmt.Sprintf("writeStringRef: string not added: %q", s))
	}
	return off
}

func (w *Writer) StringRef(s string) {
	w.Uint32(uint32(len(s)))
	w.Uint32(w.stringOff(s))
}

func (w *Writer) RawString(s string) {
	w.wr.WriteString(s)

	case '\n':
		s.nextch()
		s.lit = "newline"
		s.tok = _Semi

	case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
		s.number(false)

	case '"':
		s.stdString()

	case '`':
		s.rawString()

	case '\'':
		s.rune()

	case '(':
		s.nextch()
		s.tok = _Lparen

	case '[':
		s.nextch()
		s.tok = _Lbrack

	case '{':
		s.nextch()
		s.tok = _Lbrace

		// Not stored in a user arena chunk.
		return s
	}
	// Heap-allocate storage for a copy.
	var x any
	switch t.Kind_ & abi.KindMask {
	case abi.String:
		s1 := s.(string)
		s2, b := rawstring(len(s1))
		copy(b, s1)
		x = s2
	case abi.Slice:
		len := (*slice)(e.data).len
		et := (*slicetype)(unsafe.Pointer(t)).Elem
		sl := new(slice)