Provided by: libstdc++-9-doc_9.5.0-6ubuntu2_all 

NAME
std::experimental::nullopt_t - Tag type to disengage optional objects.
SYNOPSIS
#include <optional> Public Types enum class _Construct { _Token } Public Member Functions constexpr nullopt_t (_Construct)
Detailed Description
Tag type to disengage optional objects. Definition at line 92 of file optional.
Member Enumeration Documentation
enum class std::experimental::nullopt_t::_Construct [strong] Definition at line 99 of file optional.
Constructor & Destructor Documentation
constexpr std::experimental::nullopt_t::nullopt_t (_Construct) [inline], [explicit], [constexpr] Definition at line 102 of file optional.
Author
Generated automatically by Doxygen for libstdc++ from the source code. libstdc++ std::experimental::nullopt_t(3cxx)