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.
false& anObject →
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 →
false; otherwise, returns
false| anObject →
falseif anObject is
Extracted from the book "Programming Ruby - The Pragmatic Programmer's Guide"
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