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- #ifndef ILLEGAL_ARGUMENT_EXCEPTION_HPP
- #define ILLEGAL_ARGUMENT_EXCEPTION_HPP
- #include <exception>
- namespace ls_std {
- class IllegalArgumentException : public std::exception {
- public:
- const char *what() const noexcept override {
- return "argument is not valid...";
- }
- };
- }
- #endif
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