System.Generics.Defaults.TCustomComparer.Compare
Delphi
function Compare(const Left, Right: T): Integer; virtual; abstract;
C++
virtual int __fastcall Compare(const T Left, const T Right) = 0 ;
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| function | protected | System.Generics.Defaults.pas System.Generics.Defaults.hpp |
System.Generics.Defaults | TCustomComparer |
Description
Compare is a generic method used to compare two values.
Use the Compare method to compare two values of the same type. Any class that derives from TCustomComparer is expected to implement the Compare method.
The return value of the Compare method must be in the following ranges.
| Return value | Description |
|---|---|
|
Result is less than zero (<0) |
Left is less than Right. |
|
Result is equal to zero (=0) |
Left is equal to Right. |
|
Result is greater than zero (>0) |
Left is greater than Right. |
See Also
- System.Generics.Defaults.TCustomComparer.Equals
- System.Generics.Defaults.TCustomComparer.GetHashCode
- System.Generics.Defaults.IComparer
- System.Generics.Defaults.IEqualityComparer
- System.Generics.Defaults.TOrdinalIStringComparer.Compare
- System.Generics.Defaults.TComparison.Invoke