parsePostfix method
Implementation
Expression parsePostfix() {
int? start = token!.startOffset;
Expression exp = parseLeftHandSide();
if (token!.type == Token.UPDATE && !token!.afterLinebreak!) {
Token operator = next();
exp = UpdateExpression.postfix(operator.text, exp)
..start = start
..end = endOffset
..line = operator.line;
}
return exp;
}