OLLogicalAnd Class Reference
[Function Objects]

A function object that tests whether two object are both true. More...

#import <ObjectiveLib/Functional.h>

Inheritance diagram for OLLogicalAnd:

[legend]List of all members.

Public Member Functions
(BOOL)	- performBinaryFunctionWithArg:andArg:
	Test whether both arguments are true.

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Detailed Description

A function object that tests whether two object are both true.

Both objects passed must be convertible to boolean values, meaning that they must respond to the message boolValue.

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Member Function Documentation

- (BOOL) performBinaryFunctionWithArg:		(id)	arg1
andArg:		(id)	arg2

Test whether both arguments are true.

The message converts both arguments to boolean values using the message boolValue, then returns YES if neither value is false.

Precondition:

arg1 and arg2 must respond to the message boolValue.

Parameters:

	arg1	the first argument
	arg2	the second argument

Returns:

YES if arg1 and arg2 are both true, NO otherwise

Reimplemented from < OLBoolBinaryFunction >.

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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 15:18:47 2007, © 2004-2007 Will Mason