keywordExpression method
Implementation
Parser<ValueNode> keywordExpression() =>
seq2(ref0(binaryExpression), ref0(keywordMessage).optional()).map2((
binary,
kwMsg,
) {
if (kwMsg == null) return binary;
final msg = MessageNode(binary);
msg.selectorToken.addAll(kwMsg.$1);
msg.arguments.addAll(kwMsg.$2);
return msg;
});