std:: uses_allocator <std::promise>

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std::promise
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 .

Inherited from std:: integral_constant

Member constants

value
[static]
true
(public static member constant)

Member functions

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

Member types

Type Definition
value_type bool
type std:: integral_constant < bool , value >

See also

(C++11)
checks if the specified type supports uses-allocator construction
(class template)
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