Owner

lspitzner

11 indexed repositories · View on GitHub

brittany
haskell source code formatter

Haskell · 686 stars
exference
Haskell tool to generate expressions from types

Haskell · 102 stars
butcher
haskell library to parse commandline args - an alternative to optparse-applicative

Haskell · 20 stars
multistate
haskell library for monad transformers, like mtl's ReaderT/StateT, but more than one contained value/type

Haskell · 17 stars
pqueue
Haskell priority queue package

Haskell · 17 stars
iridium
Automated Testing and Package Uploading

Haskell · 12 stars
bricki-reflex
Reflex FRP interface for the `bricki` shallow fork of the `brick` commandline UI library

Haskell · 6 stars
data-tree-print

Haskell · 4 stars
czipwith
haskell library for CZipWith class

Haskell · 2 stars
seaaye
seaaye is a set of scripts to help with the maintenance of packages written in haskell

Nix · 0 stars
hxtools

Haskell · 0 stars

Beginner friendly Everything

Open All

not compatible with latest microlens Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

lspitzner/butcher#9 · Opened Feb 25, 2026
Support MicroHs Open

lspitzner/pqueue#148 · 1 reaction · 1 assignee · Opened Jan 5, 2026
Hello Open

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

lspitzner/brittany#378 · Opened Nov 6, 2025
Too strict upper bound on base Open

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

lspitzner/data-tree-print#4 · Opened Aug 17, 2023
Compat with GHC 9.4 (base 4.17 / template-haskell 2.19) Open

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

lspitzner/czipwith#5 · 1 comment · Opened Aug 16, 2023
Type safety issue? Open

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

lspitzner/pqueue#124 · 2 comments · Opened Jun 1, 2023
Avoid higher-order nested types? Open

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

lspitzner/pqueue#120 · 4 comments · Opened May 15, 2023
Add bootstrapped queues? Open

enhancement

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

lspitzner/pqueue#116 · 3 comments · Opened May 3, 2023
Switch testing from sortOn to sortWith Open

testing

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

lspitzner/pqueue#113 · 3 comments · Opened Apr 29, 2023
Better unordered folds? Open

performance

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

lspitzner/pqueue#112 · 6 comments · Opened Apr 29, 2023
Mark functions as inline/inlinable Open

performance

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

lspitzner/pqueue#94 · Opened Mar 17, 2023
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
Two equal priority queues with keys can compare as unequal Open

documentation

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

lspitzner/pqueue#78 · 28 comments · Opened Apr 17, 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
hxbrief: Restrict output height according to terminal size Open

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

lspitzner/hxtools#15 · 1 comment · Opened Apr 5, 2022
hxbrief: Consider env vars COLUMNS and LINES to guide output size Open

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

lspitzner/hxtools#14 · Opened Apr 5, 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
hxbrief: Improve ctrl-c / exception-safety / completeness of output Open

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

lspitzner/hxtools#11 · Opened Feb 23, 2022
hxbrief: Support showing partial lines (stdout/stderr without a newline) Open

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

lspitzner/hxtools#8 · Opened Jan 31, 2022
hxbrief: Nested operation should still apply any "non-transient" behaviour Open

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

lspitzner/hxtools#7 · Opened Jan 26, 2022
hxbrief: Decide on best defaults about dropping Open

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

lspitzner/hxtools#5 · Opened Jan 24, 2022
hxbrief: Allow dropping lines that match some pattern Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

lspitzner/hxtools#1 · Opened Jan 24, 2022
seaaye binary nix package needs to specify its runtime dependencies Open

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

lspitzner/seaaye#7 · Opened Jan 21, 2022
Does not test if package builds when there are no test-suites, does not test building executables Open

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

lspitzner/seaaye#6 · Opened Jan 17, 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
Get rid of eqExtract and cmpExtract? Open

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

lspitzner/pqueue#62 · Opened Dec 9, 2021
Add unordered mapMWithKey Open

enhancement

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

lspitzner/pqueue#61 · Opened Dec 9, 2021
Add strict mapping functions Open

enhancement

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

lspitzner/pqueue#60 · 1 comment · Opened Dec 9, 2021
Switch to Data.Ord.Down Open

task upstream

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

lspitzner/pqueue#56 · 2 comments · 1 reaction · Opened Dec 8, 2021
Add benchmarks Open

performance testing

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

lspitzner/pqueue#48 · 9 comments · Opened Dec 7, 2021
nix gc roots not working for "dot-cabal-hackage.haskell.org-at-*" Open

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

lspitzner/seaaye#5 · Opened Dec 5, 2021
Too strict bounds on base Open

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

lspitzner/multistate#9 · 5 comments · Opened Dec 5, 2021
Would be nice to have pre-publishing checks included as well Open

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

lspitzner/seaaye#3 · 2 comments · Opened Nov 10, 2021
Allow GHC 9.0 & base 4.15 Open

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

lspitzner/butcher#7 · 3 comments · Opened Nov 8, 2021
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

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