std::ranges::bidirectional_range(3) Library Functions Manual NAME std::ranges::bidirectional_range - A range for which ranges::begin returns a bidirectional iterator. SYNOPSIS #include Concept definition template concept bidirectional_range = forward_range<_Tp> && bidirectional_iterator> Detailed Description A range for which ranges::begin returns a bidirectional iterator. Author Generated automatically by Doxygen for libstdc++ from the source code. libstdc++ std::ranges::bidirectional_range(3)