Null object: Difference between revisions
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→{{header|ooRexx}}: upperclass -> uppercase :-)
Walterpachl (talk | contribs) m (→{{header|ooRexx}}: upperclass -> uppercase :-)) |
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if a[i] == .nil then say "Item" i "is missing"
</lang>
Uninitialized ooRexx variables do not evaluate to .nil, but rather the character string name of the variable (all
<lang ooRexx>
if \var("INPUT") then say "Variable INPUT is not assigned".
</lang>
=={{header|Oz}}==
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