union

Extensible type-safe unions

Version on this page:0.1.1.2@rev:3
LTS Haskell 21.25:0.1.2@rev:8
Stackage Nightly 2023-06-21:0.1.2@rev:8
Latest on Hackage:0.1.2@rev:8

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BSD-3-Clause licensed by Vladislav Zavialov
Maintained by Vladislav Zavialov
This version can be pinned in stack with:union-0.1.1.2@sha256:cc95067213ee34226eb97e75cb4aa4c67f8f71520ac725eecc188f129efb8cd2,2084

Module documentation for 0.1.1.2

  • Data
    • Data.Union

Extensible type-safe unions for Haskell with prisms using modern GHC features. Dual to vinyl records. Unions are also known as corecords or polymorphic variants. Neither requires a Typeable constraint nor uses unsafe coercions at the cost of linear time access (negligible in practice).