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fthomas

3 indexed repositories · View on GitHub

refined
Refinement types for Scala

Scala · 1732 stars
crjdt
A conflict-free replicated JSON datatype (CRDT) in Scala

Scala · 298 stars
slhaea
SLHAea - containers for SUSY Les Houches Accord input/output

C++ · 8 stars

Beginner friendly Everything

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Scala 2 compiler should be mark as a provided dependency Open

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

fthomas/refined#1419 · Opened Mar 3, 2026
Suggestion Open

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

fthomas/refined#1360 · Opened Jun 9, 2025
Provide `Ordering` if the base type has one Open

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

fthomas/refined#1233 · Opened Nov 26, 2023
Define versionScheme Open

Difficulty 1/5 Under an hour Newbie friendliness 50/100

fthomas/refined#1179 · Opened May 16, 2023
Add support for `NonBlankString` and `StrippedString` Open

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

fthomas/refined#1171 · Opened Apr 10, 2023
`Greater[5] Or Equal[5]` results in drastic performance problems with `unsafeFrom` Open

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

fthomas/refined#1161 · 8 comments · Opened Mar 10, 2023
Size predicate validator error Open

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

fthomas/refined#1155 · 7 comments · Opened Feb 26, 2023
Creating a Map of Literal Refined Types as the Key doesn't work Open

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

fthomas/refined#1153 · 1 comment · Opened Feb 22, 2023
Scala 3.2: Comparing NonNegInt with Int gives a compile error Open

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

fthomas/refined#1130 · 1 comment · Opened Nov 8, 2022
Chaining refined string operation Open

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

fthomas/refined#1080 · 1 comment · 2 reactions · Opened Apr 4, 2022
Versioning scheme is not declared Open

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

fthomas/refined#1060 · Opened Jan 12, 2022
Broken link in README Open

Difficulty 1/5 Under an hour Newbie friendliness 55/100

fthomas/refined#1056 · Opened Dec 30, 2021
Macros missing for Scala 3 Open

Difficulty 5/5 Over a week Newbie friendliness 42/100

fthomas/refined#932 · 21 comments · 19 reactions · Opened Mar 25, 2021
Missing tests for Scala 3.0+ Open

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

fthomas/refined#928 · Opened Mar 10, 2021
"compile-time refinement only works with literals" for NonNegBigDecimal when a Double literal is used Open

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

fthomas/refined#883 · Opened Dec 4, 2020
[discussion] remove shapeless.Nat support Open

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

fthomas/refined#763 · 2 comments · Opened Apr 16, 2020
[discussion] eliminating macro dependency for `refineMV` Open

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

fthomas/refined#762 · 2 comments · Opened Apr 16, 2020
RFE: A version of Inference[P, C] that fails for implicit chaining Open

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

fthomas/refined#755 · 4 comments · Opened Apr 8, 2020
use Equal[_] with case object Open

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

fthomas/refined#735 · 9 comments · Opened Feb 13, 2020
PrivateNetwork type does not match the expected IP addresses Open

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

fthomas/refined#702 · 1 comment · Opened Dec 3, 2019
[Question] Garbage collection Open

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

fthomas/crjdt#83 · Opened Oct 4, 2019
Add usage example Open

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

fthomas/crjdt#81 · 1 comment · Opened Sep 30, 2019
AdjacentSpec BigDecimal test case failing on recent Scala 2.13 nightlies Open

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

fthomas/refined#661 · 2 comments · Opened Jul 29, 2019
[pureconfig] Refined cannot be read inside a Collection inside a Case Class inside a Collection Open

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

fthomas/refined#657 · Opened Jul 15, 2019
Extract macros to a new refined-macros module Open

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

fthomas/refined#647 · Opened Jun 16, 2019
Sorted predicates Open

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

fthomas/refined#630 · 1 comment · 1 reaction · Opened Apr 16, 2019
Use alexarchambault/sonatype-stats to collect download stats Open

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

fthomas/refined#622 · Opened Mar 21, 2019
Support for FiniteDuration Open

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

fthomas/refined#621 · 5 comments · Opened Mar 13, 2019
Interval refinement on doubles / floats allows NaNs. Open

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

fthomas/refined#620 · Opened Mar 11, 2019
Inference rules are not working for Interval types Open

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

fthomas/refined#619 · 1 reaction · Opened Mar 11, 2019
Email refinement Open

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

fthomas/refined#616 · 3 comments · 10 reactions · Opened Feb 21, 2019
Conversion for types with several predicates does not work Open

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

fthomas/refined#613 · Opened Feb 3, 2019
Prohibit invalid predicate compositions? Open

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

fthomas/refined#580 · 1 reaction · Opened Oct 24, 2018
Compile-time refinement for cons Open

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

fthomas/refined#575 · 1 comment · 1 reaction · Opened Oct 15, 2018
scala.js: applyDynamic does not support passing a vararg parameter Open

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

fthomas/refined#558 · 2 comments · Opened Aug 10, 2018
Move predicates into `predicates` package Open

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

fthomas/refined#508 · Opened May 15, 2018
Boolean refinements "weak" Open

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

fthomas/refined#506 · 9 comments · Opened May 11, 2018
`Refined AnyOf[T :: HNil]` is not compatible with `Refined T` Open

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

fthomas/refined#495 · 7 comments · Opened Apr 29, 2018
Unacceptable compilation time Open

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

fthomas/refined#494 · 5 comments · Opened Apr 29, 2018
Experiment with newtypes and scala-newtype Open

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

fthomas/refined#465 · 2 comments · Opened Apr 5, 2018
Add sbt projects that aggregate all JVM/JS/Native projects Open

build low-hanging fruit

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

fthomas/refined#460 · Opened Mar 27, 2018
Macro expansion error with generic Inference Open

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

fthomas/refined#454 · 2 comments · Opened Mar 13, 2018
NullPointerException raised when attempting conversion on null string Open

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

fthomas/refined#450 · 6 comments · Opened Mar 8, 2018
Creating new refinement type crashes with: exception during macro expansion Open

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

fthomas/refined#448 · 5 comments · 1 reaction · Opened Mar 2, 2018
Compose refinements Open

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

fthomas/refined#445 · 1 comment · Opened Feb 22, 2018
[pureconfig] Refined keys for Map[String, T] Open

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

fthomas/refined#443 · 3 comments · Opened Feb 11, 2018
Do something about warning with -Xverify Open

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

fthomas/refined#418 · Opened Jan 25, 2018
Derive a custom Validate from an existing one Open

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

fthomas/refined#397 · 7 comments · Opened Jan 1, 2018
Reduce API surface Open

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

fthomas/refined#386 · 4 comments · Opened Dec 23, 2017
Logo for refined? Open

help wanted

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

fthomas/refined#381 · 10 comments · Opened Dec 20, 2017

fthomas

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