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Difference between revisions of "cpp/thread/packaged task/uses allocator"

From cppreference.com
(I don't care what the DIS says, this needs to go with the allocator support.)
m (fmt)
 
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{{cpp/title|uses_allocator{{small|<std::packaged_task>}}}}
 
{{cpp/title|uses_allocator{{small|<std::packaged_task>}}}}
 
{{cpp/thread/packaged_task/navbar}}
 
{{cpp/thread/packaged_task/navbar}}
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{{ddcl | since=c++11 | until=c++17|
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{{ddcl|since=c++11|=c++17|
 
template< class R, class Alloc >
 
template< class R, class Alloc >
−
struct uses_allocator<std::packaged_task<R>, Alloc> : true_type { };
+
struct uses_allocator<std::packaged_task<R>, Alloc> : true_type {};
 
}}
 
}}
  
 
Provides a specialization of the {{lc|std::uses_allocator}} type trait for {{lc|std::packaged_task}}.
 
Provides a specialization of the {{lc|std::uses_allocator}} type trait for {{lc|std::packaged_task}}.
  
−
{{cpp/types/integral_constant/inherit2 |{{c|true}}|bool}}
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{{cpp/types/integral_constant/inherit2|{{c|true}}|bool}}
  
 
===See also===
 
===See also===
 
{{dsc begin}}
 
{{dsc begin}}
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{{dsc inc | cpp/memory/dsc uses allocator}}
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{{dsc inc|cpp/memory/dsc uses allocator}}
 
{{dsc end}}
 
{{dsc end}}
  
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[[de:cpp/thread/packaged task/uses allocator]]
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deesfritjaptruzh
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[[es:cpp/thread/packaged task/uses allocator]]
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[[fr:cpp/thread/packaged task/uses allocator]]
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[[it:cpp/thread/packaged task/uses allocator]]
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[[ja:cpp/thread/packaged task/uses allocator]]
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[[pt:cpp/thread/packaged task/uses allocator]]
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[[ru:cpp/thread/packaged task/uses allocator]]
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[[zh:cpp/thread/packaged task/uses allocator]]
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Latest revision as of 03:13, 23 October 2023

 
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Concurrency support library
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std::packaged_task
 
template< class R, class Alloc >
struct uses_allocator<std::packaged_task<R>, Alloc> : true_type {};
 (since C++11)
(removed in C++17)

Provides a specialization of the std::uses_allocator type trait for std::packaged_task.

Contents

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>

[edit] See also

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