Null object: Difference between revisions
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m (→{{header|REBOL}}: Bit of a rephrase...) |
(added factor example) |
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<lang e>object == null</lang> |
<lang e>object == null</lang> |
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=={{header|Factor}}== |
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<lang factor>: is-f? ( obj -- ? ) f = ;</lang> |
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=={{header|Forth}}== |
=={{header|Forth}}== |
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