unfound
Returns the unique “unfound” value,
$unfound
. Useful to indicate that a search has failed.
Exported from
Module common-dylan
Module common-extensions
Values
val
The value
$unfound
.
See also
found?
unfound?
$unfound
A unique value that can be used to indicate that a search operation failed.
The common-dylan module.
Miscellaneous extensions to the Dylan language.
Returns true if an object is not equal to $unfound, and false otherwise.
Returns true if its argument is equal to the unique “unfound” value, $unfound, and false if it is not.