1.1 KiB
1.1 KiB
[expected.bad.void]
22 General utilities library [utilities]
22.8 Expected objects [expected]
22.8.5 Class template specialization bad_expected_access [expected.bad.void]
namespace std {template<>class bad_expected_access : public exception {protected:constexpr bad_expected_access() noexcept; constexpr bad_expected_access(const bad_expected_access&) noexcept; constexpr bad_expected_access(bad_expected_access&&) noexcept; constexpr bad_expected_access& operator=(const bad_expected_access&) noexcept; constexpr bad_expected_access& operator=(bad_expected_access&&) noexcept; constexpr ~bad_expected_access(); public:constexpr const char* what() const noexcept override; };}
constexpr const char* what() const noexcept override;
Returns: An implementation-defined ntbs, which during constant evaluation is encoded with the ordinary literal encoding ([lex.ccon]).