google/proto-lens

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API for protocol buffers using modern Haskell language and library patterns.

Stars: 505
Forks: 127
Open beginner issues: 0
Indexed issues: 41

Dominant language: Haskell
License: BSD-3-Clause
Last GitHub push: Jul 2, 2026
Latest indexed: Sep 16, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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41 open issues indexed

How to leverage custom options? Open

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

google/proto-lens#521 · Opened Dec 24, 2025
Evaluate: Don’t recurse on untrusted input Open

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

google/proto-lens#514 · Opened Jun 16, 2025
Drop dependency on ghc-source-gen Open

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

google/proto-lens#512 · 4 comments · 4 reactions · Opened May 19, 2025
Build matrix going forward Open

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

google/proto-lens#511 · 1 comment · Opened May 6, 2025
Document How Module Names are Generated Open

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

google/proto-lens#492 · 1 reaction · Opened Oct 26, 2024
Generate explicit export list for *_Fields module Open

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

google/proto-lens#491 · Opened Oct 26, 2024
Show instance not working for first/default enum values Open

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

google/proto-lens#445 · 3 comments · Opened Sep 29, 2022
Support lazy construction for byte fields Open

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

google/proto-lens#435 · 2 comments · Opened Apr 20, 2022
Installing protoc doc Open

Difficulty 1/5 Under an hour Newbie friendliness 72/100

google/proto-lens#407 · Opened Jan 18, 2021
QuickCheck and bytestring upper bounds are outdated Open

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

google/proto-lens#403 · 2 comments · Opened Dec 5, 2020
Generic runtime representation Open

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

google/proto-lens#397 · 2 comments · Opened Aug 27, 2020
bootstrap.hs doesn't work with stack 2.3.1 (Cannot complete repo information for a non SHA1 commit due to non-reproducibility) Open

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

google/proto-lens#391 · 5 comments · Opened Jun 3, 2020
Support package prefixes Open

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

google/proto-lens#377 · 5 comments · Opened Apr 7, 2020
auto-expose generated modules Open

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

google/proto-lens#373 · 2 comments · Opened Feb 27, 2020
Thoughts about writing a .proto generator from haskell code? Open

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

google/proto-lens#368 · 1 comment · Opened Nov 20, 2019
cabal new-build doesn't pass .proto files between deps in the same project Open

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

google/proto-lens#354 · Opened Oct 21, 2019
The bootstrapping script doesn't work with stack-2 Open

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

google/proto-lens#332 · Opened Sep 3, 2019
How do you see the generated module names? Open

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

google/proto-lens#328 · 3 comments · Opened Jul 12, 2019
Very large growth in memory required to compile with 0.5.0.0 Open

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

google/proto-lens#327 · Opened Jul 9, 2019
Allow more flexibility in the code generation Open

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

google/proto-lens#312 · 1 comment · Opened Feb 21, 2019
Differential fuzzing for proto-lens Open

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

google/proto-lens#280 · 2 comments · Opened Dec 13, 2018
Maximum size check? Open

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

google/proto-lens#249 · 8 comments · Opened Oct 23, 2018
setting the module name Open

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

google/proto-lens#235 · 1 comment · Opened Sep 14, 2018
Consolidate/reorganize the tutorials/documentation Open

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

google/proto-lens#232 · Opened Sep 12, 2018
dynamic access marshaled protobuf, like --decode in protoc Open

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

google/proto-lens#229 · Opened Sep 12, 2018
Examples of encoding and decoding Open

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

google/proto-lens#226 · 1 comment · Opened Sep 11, 2018
"Cabal repl" test isn't working correctly Open

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

google/proto-lens#220 · 1 comment · Opened Sep 4, 2018
Consider pruning unused imports Open

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

google/proto-lens#218 · Opened Sep 3, 2018
Generate Haddock from C-style comments Open

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

google/proto-lens#200 · 1 comment · Opened Jun 12, 2018
Should generated types derive Generic by default? Open

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

google/proto-lens#167 · 6 comments · 1 reaction · Opened Jan 7, 2018
Support filepaths with `dots`. Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

google/proto-lens#153 · 2 comments · Opened Nov 5, 2017
Support Kythe metadata to crosslink Haskell code and protos Open

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

google/proto-lens#144 · 3 comments · Opened Sep 18, 2017
Convert to/from JSON Open

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

google/proto-lens#128 · 5 comments · Opened Aug 30, 2017
Support parametrized "Any" Open

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

google/proto-lens#111 · 3 reactions · Opened Jul 31, 2017
Switch FieldDescriptor name from String to Text Open

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

google/proto-lens#71 · Opened Feb 28, 2017
Better support for chunked parsers and streaming Open

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

google/proto-lens#62 · 1 comment · Opened Dec 16, 2016
Static type-checking of required fields. Open

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

google/proto-lens#42 · Opened Sep 5, 2016
Generate insertion points to allow integration with other protoc plugins. Open

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

google/proto-lens#32 · Opened Jul 28, 2016
Preserve unknown proto2 fields and enums Open

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

google/proto-lens#29 · 2 comments · Opened Jul 13, 2016
Support extensions Open

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

google/proto-lens#27 · 2 comments · Opened Jul 13, 2016
readMessage chokes on '-delimited strings Open

Difficulty 3/5 1-2 days Newbie friendliness 50/100

google/proto-lens#20 · Opened Jul 9, 2016

google/proto-lens

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