_Peek
if (_Peek() == '>') {
switch (_Peek()) {
switch (_Peek()) {
if (_Peek() == '&') {
if (_Peek() == '|') {
if (_Peek() == '=') {
if (_Peek() == '=') {
if (_Peek() == '=') {
if (_Peek() == '=') {
char _Peek() const;