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class FalseClass
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Parent:
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Object
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Version:
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1.6
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Index:
&
^
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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.
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instance methods
|
|
&
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false & anObject
-> false
|
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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
|
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Exclusive Or---If anObject is nil or
false, returns false; otherwise, returns true.
|
|
|
|
false | anObject
-> true or false
|
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Or---Returns false if anObject is
nil or false; true otherwise.
|
