OLNegate Class Reference
[Function Objects]

A function object for reversing the sign of the value of a given object. More...

#import <ObjectiveLib/Functional.h>

Inheritance diagram for OLNegate:

[legend]List of all members.

Public Member Functions
(id)	- performUnaryFunctionWithArg:
	Reverse the sign of the value of arg and return the result.

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Detailed Description

A function object for reversing the sign of the value of a given object.

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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 arithmeticNegate found 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 >.

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

• Functional.h

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Generated Sun Apr 22 15:13:39 2007, © 2004-2007 Will Mason