Ruby v1.6 Class and Library Reference: <head> <body bgcolor="white">

class FalseClass

Parent:	Object
Version:	1.6

Index:

& ^ |

The global value false is the only instance of class FalseClass and represents a logically false value in boolean expressions. The class provides operators allowing false to participate correctly in logical expressions.

instance methods
&	`false` & anObject -> `false`
	And-Returns `false`. anObject is always evaluated as it is the argument to a method call-there is no short-circuit evaluation in this case.
^	`false` ^ anObject -> `true` or `false`
	Exclusive Or-If anObject is `nil` or `false`, returns `false`; otherwise, returns `true`.
\|	`false` \| anObject -> `true` or `false`
	Or-Returns `false` if anObject is `nil` or `false`; `true` otherwise.

Extracted from the book "Programming Ruby - The Pragmatic Programmer's Guide"
Copyright © 2000 Addison Wesley Longman, Inc. Released under the terms of the Open Publication License V1.0.
This reference is available for download.