Null object: Difference between revisions
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m (→{{header|C}}: clarification. C and C++ have differing ideas of what exactly NULL is. And in C it's a void *) |
(added PowerShell) |
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if (is_null($x)) |
if (is_null($x)) |
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echo "\$x is null\n";</lang> |
echo "\$x is null\n";</lang> |
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=={{header|PowerShell}}== |
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In PowerShell the automatic variable <code>$null</code> represents a null value. |
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<lang powershell>if ($object -eq $null) { |
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... |
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}</lang> |
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=={{header|Python}}== |
=={{header|Python}}== |
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