Using operators beginning with : (colon) in prefix notation leads to a "syntactically invalid result" #256

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2019-08-29T21:56:17+02:00

JakobBruenker commented

2019-08-29 21:56:17 +02:00

(Migrated from github.com)

f ((:) a as) = undefined

leads to ERROR: brittany pretty printer returned syntactically invalid result.

The same happens for any other operator that starts with :.

This doesn't happen with

f (a : as) = undefined

(Ironically, the reason I'm using them in prefix notation is because hlint can only deal with (:#) in prefix notation.)

```haskell f ((:) a as) = undefined ``` leads to `ERROR: brittany pretty printer returned syntactically invalid result.` The same happens for any other operator that starts with `:`. This doesn't happen with ```haskell f (a : as) = undefined ``` (Ironically, the reason I'm using them in prefix notation is because hlint can *only* deal with `(:#)` in prefix notation.)

lspitzner commented

2019-09-03 00:26:13 +02:00

(Migrated from github.com)

Fixed in 702b993dab, will merge into master once tests are green.

Fixed in 702b993dabe54efdf0736a469df40e04dc2c9a8b, will merge into master once tests are green.

🎉 1

tfausak commented

2020-07-21 14:58:08 +02:00

(Migrated from github.com)

Looks like this is fixed, at least in version 0.12.1.1.

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Reference: hexagoxel/brittany#256