@hackage / th-context

Test instance context

Latest0.24

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  • Last updated , by DavidFox
  • License BSD-3-Clause
  • Categories Template Haskell

  • Maintained by: David Fox <dsf@seereason.com>

  • Lottery factor: 0

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Installation

Tested Compilers

  1. 7.10.3

Readme

Use these functions to decide an a not-quite naive fashion whether an instance already exists that satisfies a given context. This can be used to decide whether an instance needs to be generated, as in th-reify-many. Known limitation: the instances inserted into the InstMap are not fully recognized when computing the context.