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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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13
Task/Undefined-values/Sidef/undefined-values.sidef Normal file
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var x; # declared, but not defined
x == nil && say "nil value";
defined(x) || say "undefined";
# Give "x" some value
x = 42;
defined(x) && say "defined";
# Change "x" back to `nil`
x = nil;
defined(x) || say "undefined";