assoc-1.0.2: swap and assoc: Symmetric and Semigroupy Bifunctors

assoc-1.0.2: swap and assoc: Symmetric and Semigroupy Bifunctors

Provides generalisations of swap :: (a,b) -> (b,a) and assoc :: ((a,b),c) -> (a,(b,c)) to Bifunctor s supporting similar operations (e.g. Either , These ).

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