Allow hole filling to deal with recursion #472
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This changes the heuristics so we get a reasonable fmap @[], but breaks note.
I was forgetting to count destruct as usage
…nguage-server into recursion-frame-wtf
isovector
changed the title
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Realized there's more infrastructure work I want to do here before merging. Can't figure out how to turn it into a draft PR, sorry. |
(thanks to @i-am-tom for the idea!)
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I made it a draft, there was a thing on the top right, near where you add reviewers. It looks like plain text, but is clickable |
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@WorldSEnder would love to have you on board! Feel free to reach out to me (fpslack: isovector, email: [email protected]) if you're interested in helping. |
Tactic tracing
isovector
changed the title
jneira
approved these changes
Oct 19, 2020
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@TOTBWF and I are back with more! This PR enhances the "attempt to fill hole" code action, allowing it to implement self-recursive functions. The generated code ensures recursion occurs only on structurally-smaller values, and preserves the positional ordering of homomorphically destructed arguments.
It's clever enough to implement
foldr:and nontrivial functor instances: