CDefaultHashTraits Class
This class provides a static function for calculating hash values.
Syntax
template<typename T>
class CDefaultHashTraits
Parameters
T
The type of data to be stored in the collection.
Members
Public Methods
| Name | Description |
|---|---|
| CDefaultHashTraits::Hash | (Static) Call this function to calculate a hash value for a given element. |
Remarks
This class contains a single static function that returns a hash value for a given element. This class is utilized by the CDefaultElementTraits Class.
For more information, see ATL Collection Classes.
Requirements
Header: atlcoll.h
CDefaultHashTraits::Hash
Call this function to calculate a hash value for a given element.
static ULONG Hash(const T& element) throw();
Parameters
element
The element.
Return Value
Returns the hash value.
Remarks
The default hashing algorithm is very simple: the return value is the element number. Override this function if a more complicated algorithm is required.