Data.Functor

Data.Functor

Copyright (c) The University of Glasgow 2001
License BSD-style (see the file libraries/base/LICENSE)
Maintainer libraries@haskell.org
Stability provisional
Portability portable
Safe Haskell Trustworthy
Language Haskell2010

Description

Functors: uniform action over a parameterized type, generalizing the map function on lists.

class Functor f where 登录查看完整内容