Freasy Monad
Monocle
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| Freasy Monad | Monocle | |
|---|---|---|
| - | 5 | |
| 114 | 1,629 | |
| - | 0.1% | |
| 0.0 | 8.3 | |
| almost 6 years ago | 2 days ago | |
| Scala | Scala | |
| MIT License | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
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Freasy Monad
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Tracking mentions began in Dec 2020.
Monocle
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Ref in cats-effect. When should I use it, and when should I not?
Without concurrency, using a Ref doesn't buy you anything over just using a var. If you want the benefits of immutability with an API that resembles mutability, you have to use something like Monocle.
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Show HN: Monocle – bidirectional code generation library
A very popular Scala optics library is also called Monocle. I’ve been a happy user for a few years:
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Monocle 3 release candidate - a super useful and simple library for optics with poetic api
See example https://www.optics.dev/Monocle/
- Monocle 3.0.0-M1 is released for Scala 2.13 and Scala 3
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Monocle 3 Roadmap
We always have work to do, for example to define scalfix rules to automate the migration https://github.com/optics-dev/Monocle/issues/1001
What are some alternatives?
Eff - Eff monad for cats - https://atnos-org.github.io/eff
Quicklens - Modify deeply nested case class fields
n-scala - A new Scala wrapper for Joda Time based on scala-time
Shapeless - Generic programming for Scala
Each - A macro library that converts native imperative syntax to scalaz's monadic expressions
Chimney - Scala library for boilerplate-free, type-safe data transformations
Scala Graph - Graph for Scala is intended to provide basic graph functionality seamlessly fitting into the Scala Collection Library. Like the well known members of scala.collection, Graph for Scala is an in-memory graph library aiming at editing and traversing graphs, finding cycles etc. in a user-friendly way.
cats - Lightweight, modular, and extensible library for functional programming.
Scalaz - Principled Functional Programming in Scala
Enumeratum - A type-safe, reflection-free, powerful enumeration implementation for Scala with exhaustive pattern match warnings and helpful integrations.