A map, where the keys may be complex structured data.

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LTS Haskell 6.35:
Stackage Nightly 2016-05-25:
Latest on Hackage:0.3.1

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BSD-3-Clause licensed by Eric Mertens
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Module documentation for

This type implements maps where the keys are themselves complex structured data. For example, the keys may be the abstract syntax trees for a programming language. The map is implemented as a trie, so common parts of the keys will be shared in the representation. The library provides a generic implementation of the data structure, so values of types that have support for Generic may be automatically used as keys in the map.



  • Improved strictness
  • GHC 8.4 compatibility

  • GHC 8 compatibility
Depends on 3 packages:
Used by 1 package:
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