std::uses_allocator<std::packaged_task>
template< class R, class Alloc > struct uses_allocator<std::packaged_task<R>, Alloc> : true_type { }; | | (since C++11) (until C++17) |
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提供std::uses_allocator类型性状std::packaged_task...
继承自STD：积分[医]常量
成员常数
value static | true (public static member constant) |
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成员函数
operator bool | converts the object to bool, returns value (public member function) |
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operator() (C++14) | returns value (public member function) |
成员类型
Type | Definition |
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value_type | bool |
type | std::integral_constant<bool, value> |
另见
uses_allocator (C++11) | checks if the specified type supports uses-allocator construction (class template) |
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