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type-map: Type-indexed maps

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Versions [RSS] 0.1.0.0, 0.1.1.0, 0.1.2.0, 0.1.3.0, 0.1.4.0, 0.1.5.0, 0.1.6.0, 0.1.7.0
Change log CHANGELOG.md
Dependencies base (>=4.7 && <5), containers, ghc-prim, vector [details]
Tested with ghc ==8.0.2 || ==8.4.3 || ==8.6.3 || ==8.10.7 || ==9.0.2 || ==9.2.1
License MIT
Copyright 2017 Li-yao Xia
Author Li-yao Xia
Maintainer lysxia@gmail.com
Category Data
Home page https://github.com/Lysxia/type-map
Bug tracker https://github.com/Lysxia/type-map/issues
Source repo head: git clone https://github.com/Lysxia/type-map
Uploaded by lyxia at 2022-01-05T15:38:03Z
Distributions LTSHaskell:0.1.7.0, NixOS:0.1.7.0, Stackage:0.1.7.0
Reverse Dependencies 1 direct, 0 indirect [details]
Downloads 4454 total (20 in the last 30 days)
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Status Docs available [build log]
Last success reported on 2022-01-05 [all 1 reports]

Readme for type-map-0.1.7.0

[back to package description]

Type-indexed maps Hackage Build Status

Maps whose keys are types.

This package includes:

  • a dynamic type map using GHC's Typeable class, with a Proxy-based API (Data.TypeMap.Dynamic) or a TypeApplications-based API (Data.TypeMap.Dynamic.Alt); Supports arbitrary, user-defined mappings between keys and types of values via defunctionalization.

  • a static type map, whose type is indexed by its list of keys (there are actually multiple implementations with different underlying representations ([], Map, Vector)).

Example using the dynamically-typed interface.

See also this package's description on Hackage.

Internal module policy

Modules under Data.TypeMap.Internal are not subject to any versioning policy. Breaking changes may apply to them at any time.

If something in those modules seems useful, please report it or create a pull request to export it from an external module.