$unfound

A unique value that can be used to indicate that a search operation failed.

Exported from

Type

<object>

Value

unknown

See also

The common-dylan module.
Miscellaneous extensions to the Dylan language.
The class of all Dylan objects.
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.