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LICENSE
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LICENSE
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Copyright (c) 2014, Michael Thompson
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Copyright (c) 2014, michaelt
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following
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disclaimer in the documentation and/or other materials provided
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with the distribution.
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* Neither the name of the {organization} nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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* Neither the name of michaelt nor the names of other
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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21
Lens/Simple.hs
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Lens/Simple.hs
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module Lens.Simple (
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module Lens.Family2,
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module Lens.Family2.Unchecked,
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module Lens.Family2.Stock,
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module Lens.Family2.State.Strict
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) where
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import Lens.Family2
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import Lens.Family2.Unchecked
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import Lens.Family2.Stock
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import Lens.Family2.State.Strict
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infixl 1 ??
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-- | Generalized infix flip, replicating Control.Lens.Lens.??
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-- >>> execStateT ?? (0,"") $ do _1 += 1; _1 += 1; _2 <>= "hello"
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-- (2,"hello")
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(??) :: Functor f => f (a -> b) -> a -> f b
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ff ?? a = fmap ($ a) ff
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{-# INLINE (??) #-}
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lens-simple
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===========
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lens-family re-exports, with "Lens.Family2.State.Strict"
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This just re-exports the combinators and elementary 'van Laarhoven' lenses from Russell O'Connor's sublime [`lens-family`](http://hackage.haskell.org/package/lens-family) package, including "Lens.Family2.State.Strict". The naming in `lens-family` is now more or less uniform with the more powerful and elaborate [`lens`](http://hackage.haskell.org/package/lens) library.
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This package is merely intended to simplify imports -- just write `import Lens.Simple` -- for use with [`pipes`](http://hackage.haskell.org/package/pipes) and associated libraries, which frequently require that some version of `view/(^.)` and `zoom` should be in scope. Presumably much more should be hidden!
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22
lens-simple.cabal
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lens-simple.cabal
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name: lens-simple
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version: 0.1.0.0
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synopsis: Re-exports sensible modules from Russell O'Connor's lens-family package.
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-- description:
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homepage: https://github.com/michaelt/lens-simple
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license: BSD3
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license-file: LICENSE
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author: michaelt
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maintainer: what_is_it_to_do_anything@yahoo.com
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-- copyright:
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-- category:
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build-type: Simple
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extra-source-files: README.md
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cabal-version: >=1.10
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library
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exposed-modules: Lens.Simple
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-- other-modules:
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-- other-extensions:
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build-depends: base, lens-family >=1.0
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-- hs-source-dirs:
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default-language: Haskell2010
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