Talk:Null object: Difference between revisions
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* PARI/GP: can't tell if this example is about null or not. |
* PARI/GP: can't tell if this example is about null or not. |
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* Perl: explains undef as a value but doesn't show how to tell the difference between the variable having a value and the variable actually being undefined. if that difference is not possible then this should be explained. i suppose it's the same as Perl 6, there it is explicitly stated that null objects can not be tested for. |
* Perl: explains undef as a value but doesn't show how to tell the difference between the variable having a value and the variable actually being undefined. if that difference is not possible then this should be explained. i suppose it's the same as Perl 6, there it is explicitly stated that null objects can not be tested for. |
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== Quip? == |
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This task almost demands a reference to Shakespeare's [[wp:Much_Ado_About_Nothing|Much Ado About Nothing]]. |