std::allocator_arg (3) - Linux Man Pages

std::allocator_arg: std::allocator_arg

NAME

std::allocator_arg - std::allocator_arg

Synopsis


Defined in header <memory>
constexpr std::allocator_arg_t allocator_arg = std::allocator_arg_t(); (since C++11)
                                                                               (until C++17)
inline constexpr std::allocator_arg_t allocator_arg = std::allocator_arg_t(); (since C++17)


std::allocator_arg is a constant of type std::allocator_arg_t used to disambiguate, at call site, the overloads of the constructors and member functions of allocator-aware objects, such as std::tuple,
std::function, std::packaged_task,
(until C++17)and std::promise.

See also


allocator_arg_t tag type used to select allocator-aware constructor overloads
                (class)
(C++11)


uses_allocator checks if the specified type supports uses-allocator construction
                (class template)
(C++11)