template< class R, class Alloc > struct uses_allocator<std::promise<R>, Alloc> : std::true_type { }; | (since C++11) |
Provides a specialization of the std::uses_allocator
type trait for std::promise
.
value
[static]
| true (public static member constant) |
operator bool | converts the object to bool , returns value (public member function) |
operator()
(C++14)
| returns value (public member function) |
Type | Definition |
---|---|
value_type | bool |
type | std::integral_constant<bool, value> |
(C++11)
| checks if the specified type supports uses-allocator construction (class template) |
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