softwaremill/quicklens

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Modify deeply nested case class fields

Stars: 852
Forks: 53
Open beginner issues: 0
Indexed issues: 21

Dominant language: Scala
License: Apache-2.0
Last GitHub push: Jul 22, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

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21 open issues indexed

Add .when operator that throws when type doesn't match Open

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

softwaremill/quicklens#296 · Opened Feb 25, 2026
Surprising behaviour on Stream using "modify", "each" and "using" Open

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

softwaremill/quicklens#291 · 1 comment · Opened Nov 26, 2025
Scala 3: wrongly accepted `modify` does nothing Open

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

softwaremill/quicklens#258 · 4 comments · Opened Nov 29, 2024
Cannot use modify in opaque types Open

softwaremill/quicklens#234 · 2 comments · 1 assignee · Opened Jun 30, 2024
Support generic type aliases that start with Option Open

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

softwaremill/quicklens#208 · 2 comments · Opened Dec 6, 2023
Setting a Double field using a Int doesn't work in Scala3 Open

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

softwaremill/quicklens#116 · 1 comment · Opened Sep 11, 2022
Investigate failing tests in ModifyAndTypeTest to propose an alternative implementation (Scala3) Open

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

softwaremill/quicklens#100 · Opened Sep 4, 2022
eachWhere for maps Open

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

softwaremill/quicklens#52 · 1 comment · Opened May 25, 2019
Create a GitHub page for this site Open

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

softwaremill/quicklens#46 · 2 comments · Opened Oct 6, 2018
.modify doesn't work on parametrised types Open

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

softwaremill/quicklens#45 · 1 comment · Opened Sep 11, 2018
Extracting given `F[_]` from modify function to the result. Open

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

softwaremill/quicklens#44 · 2 reactions · Opened Aug 13, 2018
using quicklens with tagged datatypes Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

softwaremill/quicklens#42 · Opened Jan 24, 2018
Setting nested Options to Some(value) Open

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

softwaremill/quicklens#39 · 6 comments · Opened Oct 3, 2017
Composing or extend PathModify[U,V] Open

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

softwaremill/quicklens#34 · 1 comment · Opened Jan 9, 2017
Support for IntelliJ IDEA? Open

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

softwaremill/quicklens#33 · 8 comments · Opened Dec 22, 2016
Q: quicklens v 1.4.7 available for scala 2.10? Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

softwaremill/quicklens#30 · 1 comment · Opened Jul 15, 2016
implement extractors Open

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

softwaremill/quicklens#29 · 7 comments · Opened Jun 27, 2016
modifyAll and setTo Open

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

softwaremill/quicklens#27 · 4 comments · Opened Mar 2, 2016
The `focus` (or `via`) path operator Open

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

softwaremill/quicklens#24 · 5 comments · Opened Feb 16, 2016
Support `optionalSetTo` or `setToOptional` Open

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

softwaremill/quicklens#23 · 10 comments · 1 reaction · Opened Feb 16, 2016
Support polymorphic classes and type change? Open

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

softwaremill/quicklens#4 · 7 comments · Opened May 21, 2015

softwaremill/quicklens

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