Only in Haskell ...pic.twitter.com/wsWHz7iLr7
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@dibblego@headinthebox@jnfrd @thomasdietert [Foldable t a -> Int] is vague. If it counts fold invocations, why isn't length of tuple2, 2?
@japgolly @headinthebox @jnfrd @thomasdietert length (a, b) does not read "length of a pair."
Types.
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@dibblego@headinthebox@jnfrd @thomasdietert Oh its (a,b) not (a,a), der. Ok whatever its Foldable is, it's not going be what I expected. -
@japgolly@headinthebox@jnfrd @thomasdietert The Foldable for ((,) t) must be exactly what this sentence impies it to be.
End of conversation
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