Method mustgetc

opensca/sca/java/xml/xml.go:952–959

Must read a single byte. If there is no byte to read, set d.err to SyntaxError("unexpected EOF") and return ok==false

()

// set d.err to SyntaxError("unexpected EOF")
// and return ok==false
func (d *Decoder) mustgetc() (b byte, ok bool) {
	if b, ok = d.getc(); !ok {
		if d.err == io.EOF {
			d.err = d.syntaxError("unexpected EOF")
		}
	}
	return
}

// Unread a single byte.
func (d *Decoder) ungetc(b byte) {