Extensible type-safe unions

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Stackage Nightly 2018-02-23:
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BSD3 licensed by Vladislav Zavialov
Maintained by Vladislav Zavialov

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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).

Depends on 5 packages:
Used by 2 packages:
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