Null object: Difference between revisions

m
(added langur language example)
Line 903:
</pre>
 
=={{header|Langurlangur}}==
Null can be compared for directly, using equality operators, or can be checked with the isNull() function. Database operators (ending with ? mark) propagate null. A null in an expression test is a non-truthy result.
 
<lang Langurlangur>var (.x, .y) = (true, null)
 
writeln .x == null
885

edits