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invariant v0.3.1 Release Notes

Release Date: 2016-02-07 // about 8 years ago
    • Rewrote Data.Functor.Invariant.TH's type inferencer. This avoids a nasty GHC 7.8-specific bug involving derived Invariant(2) instances for data families.
    • ➕ Add Invariant instances for Data.Complex.Complex, Data.Monoid.Product, and Data.Monoid.Sum