std::piecewise_construct_t

std::piecewise_construct_t

Defined in header <utility>
struct piecewise_construct_t { };
(since C++11)
(until C++17)
struct piecewise_construct_t { explicit piecewise_construct_t() = default; };
(since C++17)

std::piecewise_construct_t is an empty struct tag type used to disambiguate between different functions that take tw