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More efficient folds for Seq #1036

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meooow25 opened this issue Sep 10, 2024 · 1 comment
Open

More efficient folds for Seq #1036

meooow25 opened this issue Sep 10, 2024 · 1 comment
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discussion/rfc performance Seq

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@meooow25
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We can define folds for Seq more efficiently. See thread starting #1016 (comment) and in particular the code by treeowl in #1016 (comment)

The catch is that we need GADTs, which is not portable.
@meooow25
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Might be worth noting that we already use a couple of extensions in a non-portable way

  1. CPP - Primarily to guard GHC features, including other extensions, or provide faster implementations on GHC
  2. BangPatterns - Compared to the portable alternative (seq), this is just so much nicer to use and read.

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