std::experimental::pmr::polymorphic_allocator
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< cpp | experimental
Defined in header <experimental/memory_resource>
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template
<
class T >
class polymorphic_allocator; |
(library fundamentals TS) | |
The class template std::experimental::pmr::polymorphic_allocator is an
Allocator
whose allocation behavior depends on the memory resource it is constructed with. Thus, different instances of polymorphic_allocator can exhibit entirely different allocation behavior. This runtime polymorphism allows objects using polymorphic_allocator
Member types
| Member type | definition |
value_type
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T
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Member functions
constructs a polymorphic_allocator (public member function) |
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(destructor) (implicitly declared) |
implicitly declared destructor (public member function) |
| copy assignment operator (public member function) |
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Public member functions | |
| allocate memory (public member function) |
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| deallocate memory (public member function) |
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| constructs an object in allocated storage (public member function) |
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| destroys an object in allocated storage (public member function) |
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create a new polymorphic_allocator for use by a container's copy constructor (public member function) |
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| returns a pointer to the underlying memory resource (public member function) |
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Non-member functions
compare two polymorphic_allocators (function) |