std::match_results::empty(3) C++ Standard Libary std::match_results::empty(3) NAME std::match_results::empty - std::match_results::empty Synopsis bool empty() const; (since C++11) (until C++20) [[nodiscard]] bool empty() const; (since C++20) Checks whether the match was successful. Parameters (none) Return value true if *this represents the result of a failed match, false otherwise, i.e. size() == 0. Exceptions May throw implementation-defined exceptions. Complexity Constant. See also size returns the number of matches in a fully-established result state (public member function) http://cppreference.com 2024.06.10 std::match_results::empty(3)
NAME | Synopsis | Parameters | Return value | Exceptions | Complexity | See also
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