| class TrueClass |
|
Index:
& ^ |
The global value
true is the only instance of class
TrueClass and represents a logically true value in boolean
expressions. The class provides operators allowing true
to be used in logical expressions.
| instance methods | |
| & |
true & anObject
-> anObject
|
And-Returns false if anObject is nil or
false, true otherwise.
|
| ^ |
true ^ anObject
-> !anObject
|
Exclusive Or-Returns true if
anObject is nil or false,
false otherwise.
|
| | |
true | anObject
-> true
|
Or-Returns true. As anObject is an
argument to a method call, it is always evaluated; there is no
short-circuit evaluation in this case.
produces:
|
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.