Defines the base class and common functions needed to create a user-defined allocator from a synchronization filter.
template <class Type, class Sync> class allocator_base
Parameters
| Parameter | Description | 
|---|---|
| Type | The type of elements allocated by the allocator. | 
| Sync | The synchronization policy for the allocator, which is sync_none Class, sync_per_container Class, sync_per_thread Class, or sync_shared Class. | 
Requirements
Header: <allocators>
Namespace: stdext