std::allocator_arg
From cppreference.com
| Defined in header <memory>
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| constexpr std::allocator_arg_t allocator_arg = std::allocator_arg_t(); |
(since C++11) | |
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::promise, and std::packaged_task.
See also
| (C++11) |
tag type used to select allocator-aware constructor overloads (class) |
| (C++11) |
checks if the specified type supports uses-allocator construction (class template) |