---
name: "Prelude.CantDerefNothing"
section: "3kaya"
platform: "linux"
package: "kaya"
version: "0.4.4-6.2"
release: "Debian 8 (Jessie)"
platforms: ["linux"]
url: "https://new.carta.tech/Prelude.CantDerefNothing"
---

# Prelude.CantDerefNothing(3kaya)

Tried to dereference an empty Maybe

## NAME

Prelude::CantDerefNothing - Tried to dereference an empty Maybe

## SYNOPSIS

**Prelude::CantDerefNothing(** **)**

## DESCRIPTION

If **Prelude.deref (3kaya)** is called on a **Prelude.Maybe (3kaya)** equal to **nothing**  this Exception will be thrown. Generally it is better to use a **case**  statement if this is likely.

## 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.deref (3kaya)**