lspitzner/brittany

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haskell source code formatter

Stars: 686
Forks: 69
Open beginner issues: 0
Indexed issues: 118

Dominant language: Haskell
License: AGPL-3.0
Last GitHub push: Nov 11, 2022
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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118 open issues indexed

Hello Open

Difficulty 5/5 Over a week Newbie friendliness 1/100

lspitzner/brittany#378 · Opened Nov 6, 2025
Fails to build/install on a Mac M1 Pro Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

lspitzner/brittany#373 · 1 comment · Opened Jul 6, 2022
ParallelListComp leads to syntactically invalid result Open

bug language extension support

Difficulty 3/5 1-2 days Newbie friendliness 48/100

lspitzner/brittany#372 · Opened May 31, 2022
Support for OverloadedRecordDot Open

enhancement language extension support

Difficulty 5/5 Over a week Newbie friendliness 25/100

lspitzner/brittany#371 · 3 reactions · Opened May 21, 2022
Brittany introduces space in TypeApplications with ticked-constructor Open

bug language extension support

Difficulty 3/5 1-2 days Newbie friendliness 45/100

lspitzner/brittany#370 · Opened Apr 12, 2022
Support for `ImportQualifiedPost` GHC extension Open

enhancement language extension support

Difficulty 4/5 3-5 days Newbie friendliness 35/100

lspitzner/brittany#369 · 1 comment · 4 reactions · Opened Apr 1, 2022
Formatting removes key program components in custom data structures Open

bug hs:types language extension support

Difficulty 4/5 3-5 days Newbie friendliness 25/100

lspitzner/brittany#368 · 3 comments · Opened Mar 22, 2022
Patterns synonyms removal from export list after formatting Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 48/100

lspitzner/brittany#367 · Opened Mar 13, 2022
Brittany fails to format code with Haddock comments in module export list Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

lspitzner/brittany#365 · 2 comments · Opened Jan 17, 2022
Unclear instructions in README how to build with stack Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

lspitzner/brittany#362 · 2 comments · Opened Jan 5, 2022
Error while loading shared libraries Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

lspitzner/brittany#355 · 4 comments · Opened Oct 10, 2021
Valid source file is rejected as containing invalid characters Open

bug needs confirmation

Difficulty 3/5 1-2 days Newbie friendliness 35/100

lspitzner/brittany#354 · 2 comments · Opened Sep 8, 2021
Set different indent policy for preamble Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

lspitzner/brittany#349 · 2 reactions · Opened Jun 19, 2021
DataKinds: ticks inside type-level lists are not correctly spaced Open

bug language extension support

Difficulty 3/5 1-2 days Newbie friendliness 48/100

lspitzner/brittany#348 · Opened May 18, 2021
data declaration with a kind signature is treated as an unprocessed comment Open

bug hs:types language extension support

Difficulty 3/5 1-2 days Newbie friendliness 42/100

lspitzner/brittany#346 · Opened Apr 23, 2021
Brittany removes CApiFFI data comments Open

bug language extension support

Difficulty 3/5 1-2 days Newbie friendliness 45/100

lspitzner/brittany#344 · 1 comment · Opened Mar 7, 2021
Extra whitespace in type-level list Open

bug hs:lists hs:types layouting

Difficulty 3/5 1-2 days Newbie friendliness 45/100

lspitzner/brittany#341 · 1 comment · Opened Feb 25, 2021
Brittany fails to format code with type families Open

bug language extension support

Difficulty 4/5 3-5 days Newbie friendliness 42/100

lspitzner/brittany#340 · 2 comments · 1 reaction · Opened Feb 8, 2021
MultiWayIf receives context-sensitive alignment despite configuration Open

bug hs:guards

Difficulty 3/5 1-2 days Newbie friendliness 38/100

lspitzner/brittany#339 · Opened Feb 5, 2021
Moves comments when reformatting data, only if necessary Open

bug hs:comments

Difficulty 4/5 3-5 days Newbie friendliness 35/100

lspitzner/brittany#338 · Opened Feb 5, 2021
Support record dot syntax Open

enhancement language extension support

Difficulty 5/5 Over a week Newbie friendliness 25/100

lspitzner/brittany#332 · 4 comments · 1 reaction · Opened Dec 11, 2020
semi-automatic test case generation Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

lspitzner/brittany#327 · Opened Nov 20, 2020
Silent failure when using -XBangPatterns Open

bug hs:comments language extension support

Difficulty 4/5 3-5 days Newbie friendliness 45/100

lspitzner/brittany#321 · Opened Nov 9, 2020
Is it feasible to implement a layout: false option? Open

question

Difficulty 5/5 Over a week Newbie friendliness 25/100

lspitzner/brittany#317 · 4 comments · Opened Oct 10, 2020
Configuration for minimal diffs (VCS friendly) Open

enhancement layouting

Difficulty 5/5 Over a week Newbie friendliness 20/100

lspitzner/brittany#316 · 9 comments · Opened Sep 30, 2020
Brittany fails on explicit kinded data parameters Open

bug hs:types

Difficulty 3/5 1-2 days Newbie friendliness 35/100

lspitzner/brittany#310 · 4 comments · Opened Jul 12, 2020
Comments on return value tuple gets messed up Open

bug hs:comments layouting

Difficulty 3/5 1-2 days Newbie friendliness 42/100

lspitzner/brittany#307 · 1 comment · Opened Jun 30, 2020
Fails with arrow syntax and line break Open

bug hs:arrows language extension support layouting

Difficulty 3/5 1-2 days Newbie friendliness 48/100

lspitzner/brittany#306 · 2 reactions · Opened May 30, 2020
Guards lead to unreadable code Open

hs:comments hs:guards layouting

Difficulty 5/5 Over a week Newbie friendliness 25/100

lspitzner/brittany#304 · 2 reactions · Opened May 5, 2020
Consider several elements per line in long lists of small elements Open

hs:lists question

Difficulty 5/5 Over a week Newbie friendliness 25/100

lspitzner/brittany#302 · 2 comments · 1 reaction · Opened May 2, 2020
Parens around operator parameter are stripped Open

bug hs:operators hs:patterns layouting

Difficulty 3/5 1-2 days Newbie friendliness 45/100

lspitzner/brittany#301 · Opened Apr 30, 2020
Unprocessed comments in and around contexts with forall Open

bug hs:comments layouting

Difficulty 4/5 3-5 days Newbie friendliness 38/100

lspitzner/brittany#300 · Opened Apr 28, 2020
Very long type signatures are not dealt with well Open

bug hs:types

Difficulty 3/5 1-2 days Newbie friendliness 45/100

lspitzner/brittany#299 · 2 comments · Opened Apr 24, 2020
Wandering comment in list-literal/let-in/case-of Open

bug hs:comments

Difficulty 3/5 1-2 days Newbie friendliness 35/100

lspitzner/brittany#297 · 1 comment · Opened Apr 21, 2020
List in last line of do-block prevents formatting Open

bug hs:do-notation hs:lists layouting

Difficulty 3/5 1-2 days Newbie friendliness 35/100

lspitzner/brittany#296 · 1 comment · Opened Apr 16, 2020
Deletes module-level deprecation Open

bug hs:comments

Difficulty 3/5 1-2 days Newbie friendliness 35/100

lspitzner/brittany#295 · Opened Apr 14, 2020
Support formatting of sum types? Open

enhancement hs:types

Difficulty 5/5 Over a week Newbie friendliness 25/100

lspitzner/brittany#291 · 2 comments · 2 reactions · Opened Apr 3, 2020
Fails with multiple binders in let-in in do-notation Open

bug hs:do-notation layouting

Difficulty 3/5 1-2 days Newbie friendliness 42/100

lspitzner/brittany#290 · 2 comments · 2 reactions · Opened Apr 2, 2020
Justification of infix patterns Open

enhancement hs:operators hs:patterns

Difficulty 5/5 Over a week Newbie friendliness 35/100

lspitzner/brittany#289 · 1 comment · Opened Mar 16, 2020
moving comment for let/do with indent=4 Open

bug hs:comments

Difficulty 3/5 1-2 days Newbie friendliness 35/100

lspitzner/brittany#285 · Opened Feb 16, 2020
Unnecessary line break before list comprehension Open

hs:lists

Difficulty 3/5 1-2 days Newbie friendliness 38/100

lspitzner/brittany#283 · 1 comment · Opened Feb 16, 2020
Parsing error on comments on type definition within instance declaration Open

bug hs:comments hs:types

lspitzner/brittany#282 · 1 assignee · Opened Feb 14, 2020
Excessive newlining Open

layouting

Difficulty 4/5 3-5 days Newbie friendliness 35/100

lspitzner/brittany#278 · 1 comment · Opened Jan 31, 2020
Parsing failure on some type equality constructs Open

bug hs:operators hs:types language extension support

Difficulty 4/5 3-5 days Newbie friendliness 35/100

lspitzner/brittany#277 · 1 comment · Opened Jan 31, 2020
Formatting comments with semicolon newlines Open

hs:comments hs:do-notation

Difficulty 4/5 3-5 days Newbie friendliness 35/100

lspitzner/brittany#272 · Opened Dec 10, 2019
Single long line when doing pattern matching to extract record fields Open

enhancement hs:patterns hs:records

Difficulty 5/5 Over a week Newbie friendliness 25/100

lspitzner/brittany#268 · 1 comment · Opened Nov 28, 2019
Checking comment behaviour in test-suite Open

enhancement hs:comments

Difficulty 3/5 1-2 days Newbie friendliness 35/100

lspitzner/brittany#266 · 2 reactions · Opened Nov 24, 2019
brittany 0.12 doesn't recognised strictness annotations in GADTs Open

bug hs:types

Difficulty 3/5 1-2 days Newbie friendliness 45/100

lspitzner/brittany#261 · 1 comment · Opened Oct 30, 2019
Newlines between array items are not preserved Open

bug hs:lists

Difficulty 3/5 1-2 days Newbie friendliness 45/100

lspitzner/brittany#260 · 1 reaction · Opened Sep 29, 2019
brittany keeps adding parentheses to type operator in constraint Open

bug hs:brackets hs:types language extension support

Difficulty 3/5 1-2 days Newbie friendliness 35/100

lspitzner/brittany#258 · 3 reactions · Opened Sep 7, 2019

lspitzner/brittany

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