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This package comes "Batteries Included" with many useful lenses for the types commonly used from the Haskell Platform, and with tools for automatically generating lenses and isomorphisms for user-supplied data types. The combinators in Control.Lens provide a highly generic toolbox for composing families of getters, folds, isomorphisms, traversals, setters and lenses and their indexed variants. An overview, with a large number of examples can be found in the README: https://github.com/ekmett/lens#lens-lenses-folds-and-traversals A video on how to use lenses and how they are constructed is available from youtube: http://youtu.be/cefnmjtAolY?hd=1 Slides can be obtained here: http://comonad.com/haskell/Lenses-Folds-and-Traversals-NYC.pdf More information on the care and feeding of lenses, including a brief tutorial and motivation for their types can be found on the lens wiki: https://github.com/ekmett/lens/wiki
21 lines
926 B
Text
21 lines
926 B
Text
This package comes "Batteries Included" with many useful lenses for the
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types commonly used from the Haskell Platform, and with tools for
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automatically generating lenses and isomorphisms for user-supplied data
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types.
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The combinators in Control.Lens provide a highly generic toolbox for
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composing families of getters, folds, isomorphisms, traversals, setters and
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lenses and their indexed variants.
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An overview, with a large number of examples can be found in the README:
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https://github.com/ekmett/lens#lens-lenses-folds-and-traversals
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A video on how to use lenses and how they are constructed is available from
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youtube: http://youtu.be/cefnmjtAolY?hd=1
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Slides can be obtained here:
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http://comonad.com/haskell/Lenses-Folds-and-Traversals-NYC.pdf
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More information on the care and feeding of lenses, including a brief
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tutorial and motivation for their types can be found on the lens wiki:
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https://github.com/ekmett/lens/wiki
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