haskell / haskell/haskell-language-server

Signature Help should provide signature in the `do` notation

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#4,769 6 comments 0 reactions 1 assignee Claimed by @jian-lin View on GitHub
component: hls-signature-help-plugin Hackathon type: enhancement
Dominant language
Haskell
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Description

It looks like no signature help is provided when the AST node is in a `do` notation block:

Image

You can see in the logs, the rules were triggered, but no signature help was provided.
If I change the code in question to not use `do`-notation, then signature help works as expected:

Image

Happened on GHC 9.10.3

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