· return value has_val notes a std::expected object is never valueless. · 1) detects if the current thread has a live exception object, that is, an exception has been thrown or rethrown and not yet entered a matching catch clause, std::terminate or … An exception is thrown from a function whose exception specification … 2) throws any exception thrown by the initialization of the … 2) a constant of type const std::unexpect_t which is usually directly passed to a … Otherwise, returns a std::expected object that … If it contains an unexpected value, it is nested within the expected object. · 1) a tag type for in-place construction of an unexpected value in an std::expected object. · if *this contains an unexpected value, invokes f with the unexpected value of this as the argument and returns its result. In particular, std::expected has constructors with std::unexpected as a single … A program is ill-formed if it … · the class template std::unexpected represents an unexpected value stored in std::expected. · represents an expected void value or contains an unexpected value. · return value the previously-installed unexpected handler, or a null pointer value if none was installed. // class template bad_expected_access template<class … · synopsis // mostly freestanding namespace std { // class template unexpected template class unexpected; If has_value() returns true, operator() can be used to access the expected value; · std::unexpected() is called by the c++ runtime when a dynamic exception specification is violated: · exceptions primary template constructors 1) throws any exception thrown by the initialization of the expected value.
The Unexpected Place Octopuses Are Found
· return value has_val notes a std::expected object is never valueless. · 1) detects if the current thread has a live exception object, that is,...
