A function object for reversing the sign of the value of a given object. More...
#import <ObjectiveLib/Functional.h>
Inheritance diagram for OLNegate:
Public Member Functions | |
| (id) | - performUnaryFunctionWithArg: |
| Reverse the sign of the value of arg and return the result. | |
Detailed Description
A function object for reversing the sign of the value of a given object.
Member Function Documentation
| - (id) performUnaryFunctionWithArg: | (id) | arg |
Reverse the sign of the value of arg and return the result.
- Precondition:
- arg must respond to the message
arithmeticNegatefound in the OLArithmetic protocol.
- Parameters:
-
arg the value of which to reverse the sign
- Returns:
- the negation of the value of arg
Reimplemented from <OLUnaryFunction>.
The documentation for this class was generated from the following file:
