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std::unique_lock::try_lock
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std::unique_lock::unique_lock
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std::uses_allocator<std::promise>
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std::uses_allocator<std::packaged_task>

STD：：用途[医]分配器<std：：打包[医]任务>

template< class R, class Alloc > struct uses_allocator, Alloc> : true_type { };​(since C++11) (until C++17)

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 statictrue (public static member constant)

成员函数

operator boolconverts the object to bool, returns value (public member function)
operator() (C++14)returns value (public member function)

成员类型

TypeDefinition
value_typebool
typestd::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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