put typedvalues initialization into cpp

Signed-off-by: Jinjie Liu <jjliu@baai.ac.cn>

include/exception.h

@@ -25,6 +25,15 @@ private:
   const std::string message_;
 };
 
+class UnmatchedArgumentException : public std::exception {
+public:
+  UnmatchedArgumentException(std::string_view name, size_t len, size_t expect);
+  const char *what() const noexcept override;
+
+private:
+  const std::string message_;
+};
+
 class UnknownTypeException : public std::exception {
 public:
   UnknownTypeException(Type type);