Gets an item from the cache. If the item was found in the cache, its access time is updated.
Note that, if you change the value referenced by the returned reference, the create time will not be updated.
key to lookup
a reference to item value or null if no such item was found.
Out: For values of fixed size the slice length is ValueSize unless the returned reference is null.
See Implementation
Gets an item from the cache. If the item was found in the cache, its access time is updated.
Note that, if you change the value referenced by the returned reference, the create time will not be updated.