Owner

mrkkrp

21 indexed repositories · View on GitHub

megaparsec
Industrial-strength monadic parser combinator library

Haskell · 977 stars
req
An HTTP client library

Haskell · 353 stars
modalka
Modal editing your way

Emacs Lisp · 303 stars
zip
Efficient library for manipulating zip archives

Haskell · 86 stars
ace-popup-menu
Replace GUI popup menu in Emacs with something more efficient

Emacs Lisp · 85 stars
typit
Typing game for Emacs similar to the tests on 10 fast fingers

Emacs Lisp · 75 stars
modern-uri
Modern library for working with URIs

Haskell · 70 stars
ghc-syntax-highlighter
Syntax highlighter for Haskell using the lexer of GHC

Haskell · 59 stars
parser-combinators
Lightweight package providing commonly useful parser combinators

Haskell · 55 stars
text-metrics
Calculate various string metrics efficiently in Haskell

Haskell · 45 stars
fix-word
Transform words in Emacs (upcase, downcase, capitalize, etc.)

Emacs Lisp · 44 stars
path-io
Operations on files and directories with typed paths

Haskell · 32 stars
stache
Mustache templates for Haskell

Haskell · 30 stars
ahab
Advanced hermeticity analyzer for Bazel

Rust · 29 stars
tilia
A formatter for Haskell source code

Haskell · 28 stars
flac
Complete high-level Haskell binding to libFLAC

Haskell · 26 stars
htaglib
Haskell bindings for TagLib, an audio meta-data library

Haskell · 22 stars
avy-menu
An Avy-powered popup menu

Emacs Lisp · 18 stars
JuicyPixels-extra
Efficiently scale, crop, flip images with JuicyPixels

Haskell · 15 stars
pagination
Framework-agnostic pagination boilerplate

Haskell · 11 stars
1 more repository lives on View on GitHub

Beginner friendly Everything

Open All

comparison with existing formatters Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

mrkkrp/tilia#12 · Opened Sep 19, 2026
Optimize the number of configurations in the case of CPP Open

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

mrkkrp/tilia#10 · Opened Sep 17, 2026
In-depth performance investigation Open

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

mrkkrp/tilia#9 · Opened Sep 17, 2026
Add to Stackage Open

Difficulty 2/5 1-3 hours Newbie friendliness 20/100

mrkkrp/tilia#8 · Opened Sep 17, 2026
Achieve full idempotence and enable the corresponding property tests Open

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

mrkkrp/tilia#7 · Opened Sep 17, 2026
Resolve the most common cases of unfortunate interaction between the CPP support and comments Open

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

mrkkrp/tilia#6 · Opened Sep 17, 2026
Handle hspec-discover Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

mrkkrp/tilia#5 · Opened Sep 17, 2026
Need a story for cheap formatting checks for completely Nixified builds Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

mrkkrp/tilia#4 · Opened Sep 17, 2026
Haskell source files in data should not be formatted Open

Difficulty 3/5 1-2 days Newbie friendliness 64/100

mrkkrp/tilia#3 · Opened Sep 17, 2026
Eliminate Claudisms from the docs Open

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

mrkkrp/tilia#2 · Opened Sep 17, 2026
A generated script named after a hash has no key worth writing a spec against Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

mrkkrp/ahab#20 · Opened Sep 5, 2026
Programs a rule set templates into the main repository cannot be named Open

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

mrkkrp/ahab#19 · Opened Sep 5, 2026
Reproducibility specs keyed to a main repository path are matched on path alone Open

mrkkrp/ahab#18 · 1 assignee · Opened Sep 5, 2026
Windows support Open

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

mrkkrp/ahab#13 · 1 comment · Opened Sep 4, 2026
Json parsers in Attoparsec vs Megaparsec benchmark are not optimal? Open

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

mrkkrp/megaparsec#609 · Opened Jul 17, 2026
Add a generic compound stream type to simplify custom token stream handling Open

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

mrkkrp/megaparsec#608 · 3 comments · Opened Jul 11, 2026
makeExprParser: Mixing operators with different associativities in same precedence level does not work Open

Difficulty 3/5 1-2 days Newbie friendliness 56/100

mrkkrp/parser-combinators#87 · 2 comments · Opened Jul 2, 2026
Add Unicode Property Parser in `Text.Megaparsec.Char` module Open

feature-request

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

mrkkrp/megaparsec#588 · 3 comments · Opened Dec 27, 2025
sinkEntry can cause space leaks Open

performance

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

mrkkrp/zip#135 · Opened Dec 24, 2025
Support for IRIs Open

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

mrkkrp/modern-uri#99 · Opened Nov 12, 2025
`file:///` and trailing slash normalization Open

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

mrkkrp/modern-uri#97 · Opened Aug 29, 2025
undocumented failure mode, possible security issue on mac Open

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

mrkkrp/req#185 · 1 comment · Opened Apr 22, 2025
Test failure on Debian i386 Open

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

mrkkrp/zip#124 · Opened Apr 3, 2025
Support for CID URIs Open

enhancement

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

mrkkrp/modern-uri#93 · 2 comments · Opened Mar 5, 2025
Can't unzip archive built relative to root directory Open

enhancement feature-request

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

mrkkrp/zip#117 · 1 comment · Opened Jan 8, 2025
Can mkQueryValue fail? Open

feature-request question

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

mrkkrp/modern-uri#83 · 1 comment · Opened Sep 28, 2024
Limit size of download when using lbsResponse Open

feature-request

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

mrkkrp/req#174 · 2 comments · Opened Aug 20, 2024
IndentOpt Existential Type Open

feature-request

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

mrkkrp/megaparsec#565 · 1 comment · Opened Jul 23, 2024
How to make a recoverable indentation block parser Open

question

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

mrkkrp/megaparsec#561 · 1 comment · Opened May 19, 2024
[Question] How to propagate line number from lexer to parser Open

question

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

mrkkrp/megaparsec#560 · 1 comment · Opened May 17, 2024
Tests Failure Open

awaiting-pr macOS

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

mrkkrp/zip#112 · 1 comment · Opened Apr 7, 2024
Parsing hexadecimal floats Open

feature-request

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

mrkkrp/megaparsec#554 · 1 comment · Opened Feb 24, 2024
Error context with additional source positions Open

question

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

mrkkrp/megaparsec#552 · 4 comments · Opened Feb 7, 2024
Better reporting or documentation of failed folder creations due to search permissions Open

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

mrkkrp/path-io#91 · Opened Dec 8, 2023
The Applicative versions of sepEndBy and sepEndBy1 cause infinite loops with Earley Open

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

mrkkrp/parser-combinators#64 · Opened Dec 2, 2023
[Proposal] Adding (back ?) chainl Open

feature-request

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

mrkkrp/parser-combinators#62 · 1 comment · Opened Sep 24, 2023
Couldn't find a way to call odata services Open

feature-request

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

mrkkrp/req#157 · 1 comment · Opened Aug 16, 2023
expose dir/file determiner Open

feature-request

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

mrkkrp/path-io#87 · Opened Aug 15, 2023
Add `drop` to `Text.Megaparsec` Open

feature-request

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

mrkkrp/megaparsec#540 · 3 comments · Opened Aug 9, 2023
RFC: add 'unliftio' dependency and adjust 'reqBr' Open

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

mrkkrp/req-conduit#26 · 2 comments · Opened Jun 25, 2023
Is it possible to use it to set a coverart? Open

feature-request

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

mrkkrp/htaglib#28 · 7 comments · Opened Jun 22, 2023
[Proposal] Add manyEndingWith Open

feature-request

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

mrkkrp/parser-combinators#56 · 2 comments · Opened Jun 19, 2023
Indentation error lost in alternative Open

feature-request question

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

mrkkrp/megaparsec#527 · 3 comments · Opened May 29, 2023
Zip entries with question mark in the filename are skipped by scanArchive. Open

awaiting-pr feature-request

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

mrkkrp/zip#103 · 3 comments · Opened Apr 26, 2023
MonadAccum instance for ParsecT Open

feature-request

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

mrkkrp/megaparsec#522 · 5 comments · Opened Mar 30, 2023
Problematic `IsString` instance Open

feature-request

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

mrkkrp/megaparsec#515 · 4 comments · 5 reactions · Opened Mar 2, 2023
Greedy combinators Open

question

Difficulty 4/5 3-5 days Newbie friendliness 30/100

mrkkrp/megaparsec#513 · 11 comments · Opened Feb 17, 2023
NonGNU Elpa package Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

mrkkrp/modalka#43 · 4 comments · Opened Feb 10, 2023
exwm buffers don't offer the modalka keybindings Open

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

mrkkrp/modalka#41 · Opened Nov 12, 2022
Are symlinks supported? Open

feature-request

Difficulty 4/5 3-5 days Newbie friendliness 30/100

mrkkrp/zip#90 · 4 comments · Opened Nov 8, 2022

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