message: msvc: VerExprParser::visitUnary_operator simlify syntax
diff: @@ -88,26 +88,29 @@ OperatorType VerExprParser::visitUnary_operator(
  // ;
  std::string op = ctx->getText();
  - if (op == "+")
  + if (op == "+") {
  return ADD;
  - else if (op == "-")
  + } else if (op == "-") {
  return SUB;
  - else if (op == "!")
  + } else if (op == "!") {
  return NOT;
  - else if (op == "~")
  + } else if (op == "~") {
  return NEG;
  - else if (op == "&")
  + } else if (op == "&") {
  return AND;
  - else if (op == "~&")
  + } else if (op == "~&") {
  return NAND;
  - else if (op == "|")
  + } else if (op == "|") {
  return OR;
  - else if (op == "~|")
  + } else if (op == "~|") {
  return NOR;
  - else if (op == "^")
  + } else if (op == "^") {
  return XOR;
  - else if (op == "~^" or op == "^~")
  + } else if (op == "~^") {
  return XNOR;
  + } else if (op == "^~") {
  + return XNOR;
  + }
  throw std::runtime_error("Unsupported unary operator " + op);
  }
  