merge: A functor for consistent merging of information

[ data, library, mit ] [ Propose Tags ]

A functor for consistent merging of information.


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Versions [RSS] 0.1.0.0, 0.2.0.0, 0.3.0.0, 0.3.0.1, 0.3.1.1
Change log CHANGELOG.md
Dependencies base (>=4.6 && <5), profunctors (>=5.6 && <6) [details]
License MIT
Copyright 2020 Samuel Schlesinger
Author Samuel Schlesinger
Maintainer sgschlesinger@gmail.com
Category Data
Source repo head: git clone https://github.com/samuelschlesinger/merge
Uploaded by sgschlesinger at 2021-09-17T06:35:16Z
Distributions NixOS:0.3.1.1
Downloads 446 total (1 in the last 30 days)
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Status Docs available [build log]
Last success reported on 2021-09-17 [all 1 reports]

Readme for merge-0.2.0.0

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Merge

data User = User
  { name :: Maybe Text
  , pubKey :: PublicKey
  }

mergeUsers :: Merge User User
mergeUsers =
  User
    <$> optional name
    <*> required pubKey

f :: User -> User -> Maybe User
f x y = runMerge mergeUsers x y