| std::nullopt_t(3cxx) | std::nullopt_t(3cxx) |
std::nullopt_t - Tag type to disengage optional objects.
enum class _Construct { _Token }
constexpr nullopt_t (_Construct) noexcept
Tag type to disengage optional objects.
Definition at line 68 of file optional.
Definition at line 75 of file optional.
Definition at line 78 of file optional.
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| Thu Feb 16 2023 | libstdc++ |