Provided by: libstdc++-11-doc_11.4.0-4ubuntu1_all bug

NAME

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

SYNOPSIS

   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.