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();
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(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.
[edit] See also
| (C++11)
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tag type used to select allocator-aware constructor overloads (class) |
| (C++11)
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checks if the specified type supports uses-allocator construction (class template) |