Prelude.deref(3kaya)
NAME
Prelude::deref - Dereference a Maybe.
SYNOPSIS
a deref( Maybe<a> v )
ARGUMENTS
v The value to dereference
DESCRIPTION
- Extract the value from a Prelude.Maybe (3kaya)
- An Exception is thrown if v is nothing
A case statemement is generally more appropriate unless it is known - that the dereferencing should succeed (for example, using Dict.lookup (3kaya) on a key known to have been added). deref(x) is equivalent to x.val
AUTHORS
Kaya standard library by Edwin Brady, Chris Morris and others
(kaya@kayalang.org). For further information see http://kayalang.org/
LICENSE
The Kaya standard library is free software; you can redistribute it
and/or modify it under the terms of the GNU Lesser General Public
License (version 2.1 or any later version) as published by the Free
Software Foundation.
RELATED
- Prelude.Maybe (3kaya)
Prelude.CantDerefNothing (3kaya)