libstdc++
std::experimental::fundamentals_v1::nullopt_t Struct Reference

List of all members.

Public Types

enum  _Construct { _Token }

Public Member Functions

constexpr nullopt_t (_Construct)

Detailed Description

Tag for in-place construction.

Tag type to disengage optional objects.

Definition at line 93 of file optional.


The documentation for this struct was generated from the following file: