Class lang_error

include/covscript/core/components.hpp:167–189

	};

	class lang_error final {
		std::string mWhat;

	public:
		lang_error() = default;

		explicit lang_error(std::string str) noexcept : mWhat(std::move(str)) {}

		lang_error(const lang_error &) = default;

		lang_error(lang_error &&) noexcept = default;

		~lang_error() = default;

		lang_error &operator=(const lang_error &) = default;

		lang_error &operator=(lang_error &&) = default;

		const char *what() const noexcept
		{
			return this->mWhat.c_str();
		}
	};

	class fatal_error final : public std::exception {
		std::string mWhat = "Fatal Error";