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Breaking template haskell #973

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constrictorum opened this issue Oct 11, 2024 · 1 comment
Open

Breaking template haskell #973

constrictorum opened this issue Oct 11, 2024 · 1 comment
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@toku-sa-n

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@constrictorum
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Problem

Description of problem here.

When using the polysemy package in Haskell and formatting code in VS Code, the formatter adds a $ symbol to the makeSem function, making the code invalid. This occurs when the makeSem function is used without arguments, for example: makeSem ''ModFiles.

It's the same with the deriveJSON generator from aeson

Input haskell

makeSem ''MyData
deriveJSON

Expected output haskell

makeSem ''MyData
deriveJSON

Actual output haskell

$makeSem ''MyData
$deriveJSON
@constrictorum
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hindent version 6.1.1, ghc 9.6.6

@toku-sa-n toku-sa-n self-assigned this Oct 11, 2024
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@toku-sa-n @constrictorum