integer-to-string conversions as potential errors.
Library functions such as
<a href="/pkg/unicode/utf8#AppendRune"><code>utf8.AppendRune</code></a> or
<a href="/pkg/unicode/utf8#EncodeRune"><code>utf8.EncodeRune</code></a>
should be used instead.
</li>
</ol>

<h4 id="Conversions_from_slice_to_array_or_array_pointer">Conversions from slice to array or array pointer</h4>

<p>

		r, sz := utf8.DecodeRune(b)
		if r <= 0xFF { // See A.6.1
			return true
		}
		c.pDst = oldPDst
		// Insert the first rune and ignore the modifiers. See A.6.2.
		c.writeBytes(b[:sz])
		i = len(b[sz:]) / 2 // Greek modifiers are always of length 2.
	}

	for ; i < maxIgnorable && c.next(); i++ {
		switch r, _ := utf8.DecodeRune(c.src[c.pSrc:]); r {
		// Above and Iota Subscript

		// hv1++
		nif.Body = []ir.Node{ir.NewAssignStmt(base.Pos, hv1, ir.NewBinaryExpr(base.Pos, ir.OADD, hv1, ir.NewInt(base.Pos, 1)))}

		// } else {
		// hv2, hv1 = decoderune(ha, hv1)
		fn := typecheck.LookupRuntime("decoderune")
		call := mkcall1(fn, fn.Type().ResultsTuple(), &nif.Else, ha, hv1)
		a := ir.NewAssignListStmt(base.Pos, ir.OAS2, []ir.Node{hv2, hv1}, []ir.Node{call})
		nif.Else.Append(a)

	{"runtime.slicebytetostring", 1},
	{"runtime.slicebytetostringtmp", 1},
	{"runtime.slicerunetostring", 1},
	{"runtime.stringtoslicebyte", 1},
	{"runtime.stringtoslicerune", 1},
	{"runtime.slicecopy", 1},
	{"runtime.decoderune", 1},
	{"runtime.countrunes", 1},
	{"runtime.convT", 1},
	{"runtime.convTnoptr", 1},
	{"runtime.convT16", 1},
	{"runtime.convT32", 1},
	{"runtime.convT64", 1},
	{"runtime.convTstring", 1},

	// supports ld+json content-type.
	if len(b) == 0 {
		// In, `x=y/{{.}}*z` a json.Marshaler that produces "" should
		// not cause the output `x=y/*z`.
		return " null "
	}
	first, _ := utf8.DecodeRune(b)
	last, _ := utf8.DecodeLastRune(b)
	var buf strings.Builder
	// Prevent IdentifierNames and NumericLiterals from running into
	// keywords: in, instanceof, typeof, void

		return c - 'a' + 10
	case 'A' <= c && c <= 'F':
		return c - 'A' + 10
	}
	return 0
}

type encoding int

const (
	encodePath encoding = 1 + iota
	encodePathSegment
	encodeHost
	encodeZone
	encodeUserPassword
	encodeQueryComponent
	encodeFragment
)

type EscapeError string

func (e EscapeError) Error() string {
	return "invalid URL escape " + strconv.Quote(string(e))
}

			s.error("I/O error: " + s.ioerr.Error())
			s.ioerr = nil
		}
		s.ch = -1
		s.chw = 0
		return
	}

	s.ch, s.chw = utf8.DecodeRune(s.buf[s.r:s.e])
	s.r += s.chw

	if s.ch == utf8.RuneError && s.chw == 1 {
		s.error("invalid UTF-8 encoding")
		goto redo
	}

	// BOM's are only allowed as the first character in a file

// about this property, see
//
//	https://swtch.com/~rsc/regexp/regexp1.html
//
// or any book about automata theory.
//
// All characters are UTF-8-encoded code points.
// Following [utf8.DecodeRune], each byte of an invalid UTF-8 sequence
// is treated as if it encoded utf8.RuneError (U+FFFD).
//
// There are 16 methods of [Regexp] that match a regular expression and identify

}

func isName(s []byte) bool {
	if len(s) == 0 {
		return false
	}
	c, n := utf8.DecodeRune(s)
	if c == utf8.RuneError && n == 1 {
		return false
	}
	if !unicode.Is(first, c) {
		return false
	}
	for n < len(s) {
		s = s[n:]
		c, n = utf8.DecodeRune(s)
		if c == utf8.RuneError && n == 1 {
			return false
		}

	return len(in.remaining) == 0
}

// peekRune returns the next rune in the input without consuming it.
func (in *input) peekRune() int {
	if len(in.remaining) == 0 {
		return 0
	}
	r, _ := utf8.DecodeRune(in.remaining)
	return int(r)
}

// peekPrefix reports whether the remaining input begins with the given prefix.
func (in *input) peekPrefix(prefix string) bool {