[#zero_after_free_allocator-01]
= zero_after_free_allocator
:mrdocs:

Allocator that clears the memory it manages before returning it to the system.

== Synopsis

Declared in `<support/allocators/zeroafterfree.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename T>
struct zero_after_free_allocator;
----

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:zero_after_free_allocator-01/value_type.adoc[`value_type`] 
| The type of object this allocator allocates.
|===


== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:zero_after_free_allocator-01/2constructor-02.adoc[`zero_after_free_allocator`]         [.small]#[constructor]#
| Constructors
| xref:zero_after_free_allocator-01/allocate.adoc[`allocate`] 
| Allocates uninitialized memory for n objects using std::allocator.
| xref:zero_after_free_allocator-01/deallocate.adoc[`deallocate`] 
| Clears and returns memory previously obtained from allocate.
|===


== Specializations

[cols="1,4"]
|===
| Name| Description
| xref:zero_after_free_allocator-0c.adoc[`zero_after_free_allocator<byte>`] 
| Allocator that clears the memory it manages before returning it to the system.
|===


== Friends

[cols="1,4"]
|===
| Name| Description
| `xref:operator_eq-01f.adoc[operator==]`
| Compares two allocators for equality; they are always equal since the allocator is stateless.
|===

== Non-Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:operator_eq-038.adoc[`operator==`]
| Compares two allocators for equality; they are always equal since the allocator is stateless.
|===


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