std::nullopt_t(3cxx) | std::nullopt_t(3cxx) |
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
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libstdc++ |