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# tbb::interface4::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor Class Reference

Combines data access, locking, and garbage collection. More...

`#include <concurrent_hash_map.h>`

Inheritance diagram for tbb::interface4::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor:

List of all members.

## Public Types
typedef const concurrent_hash_map::value_type | value_type
| Type of value.
## Public Member Functions
bool | empty () const
| True if result is empty.
void | release ()
| Set to null.
const_reference | operator * () const
| Return reference to associated value in hash table.
const_pointer | operator-> () const
| Return pointer to associated value in hash table.
| const_accessor ()
| Create empty result.
| ~const_accessor ()
| Destroy result after releasing the underlying reference.
## Friends
class | concurrent_hash_map< Key, T, HashCompare, Allocator >
class | accessor

## Detailed Description

### template<typename Key, typename T, typename HashCompare, typename Allocator>
class tbb::interface4::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor

Combines data access, locking, and garbage collection.

The documentation for this class was generated from the following file:

- concurrent_hash_map.h

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