NAME

       std::nullopt_t - Tag type to disengage optional objects.

SYNOPSIS

       #include <optional>

   Public Types
       enum class _Construct { _Token }

   Public Member Functions
       constexpr nullopt_t (_Construct) noexcept

Detailed Description

       Tag type to disengage optional objects.

Author

       Generated automatically by Doxygen for libstdc++ from the source code.

                                                    libstdc++                               std::nullopt_t(3cxx)