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class TrueClass
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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
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.
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instance methods
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&
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true & anObject
-> anObject
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And---Returns false if anObject is nil or
false, true otherwise.
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^
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true ^ anObject
-> !anObject
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Exclusive Or---Returns true if
anObject is nil or false,
false otherwise.
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true | anObject
-> true
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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.
true | puts("or")
true || puts("logical or")
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produces:
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