Method writeRuneFast

string_unicode.go:185–196

assumes already started

(r rune)

// assumes already started
func (b *unicodeStringBuilder) writeRuneFast(r rune) {
	if r <= 0xFFFF {
		b.buf = append(b.buf, uint16(r))
		if !b.unicode && r >= utf8.RuneSelf {
			b.unicode = true
		}
	} else {
		first, second := utf16.EncodeRune(r)
		b.buf = append(b.buf, uint16(first), uint16(second))
		b.unicode = true
	}
}

func (b *unicodeStringBuilder) writeASCIIString(bytes string) {
	for _, c := range bytes {