std::experimental::nullopt_t(3cxx) std::experimental::nullopt_t(3cxx)

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

#include <optional>


enum class _Construct { _Token }


constexpr nullopt_t (_Construct)

Tag type to disengage optional objects.

Definition at line 92 of file optional.

enum class std::experimental::nullopt_t::_Construct [strong]

Definition at line 99 of file optional.

constexpr std::experimental::nullopt_t::nullopt_t (_Construct) [inline], [explicit], [constexpr]

Definition at line 102 of file optional.

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