Copyright	(C) 2012-16 Edward Kmett
License	BSD-style (see the file LICENSE)
Maintainer	Edward Kmett <ekmett@gmail.com>
Stability	provisional
Portability	non-portable
Safe Haskell	Trustworthy
Language	Haskell98

Control.Lens.Empty

Description

Documentation

class AsEmpty a where Source

Minimal complete definition

Nothing

Methods

>>> isn't _Empty [1,2,3]
True

Instances

AsEmpty Ordering Source
AsEmpty () Source
AsEmpty Event Source
AsEmpty All Source
AsEmpty Any Source
AsEmpty ByteString Source
AsEmpty ByteString Source
AsEmpty IntSet Source
AsEmpty Text Source
AsEmpty Text Source
AsEmpty [a] Source
AsEmpty a => AsEmpty (Dual a) Source
(Eq a, Num a) => AsEmpty (Sum a) Source
(Eq a, Num a) => AsEmpty (Product a) Source
AsEmpty (First a) Source
AsEmpty (Last a) Source
AsEmpty (Maybe a) Source
AsEmpty (IntMap a) Source
AsEmpty (Set a) Source
AsEmpty (Seq a) Source
AsEmpty (HashSet a) Source
AsEmpty (Vector a) Source
Unbox a => AsEmpty (Vector a) Source
Storable a => AsEmpty (Vector a) Source
(AsEmpty a, AsEmpty b) => AsEmpty (a, b) Source
AsEmpty (Map k a) Source
AsEmpty (HashMap k a) Source
(AsEmpty a, AsEmpty b, AsEmpty c) => AsEmpty (a, b, c) Source

pattern Empty :: () => AsEmpty s => s Source