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optics-dev/Monocly
Non-case class setters in Focus?

Dual to #39, conceivably someone, wishing to have write-only semantics on their immutable data model, might implement their own copy method. I can t even think of a use case for a Setter optic to be honest, ...
  • kenbot
  • Opened 
    on Feb 6, 2021
  • #41

optics-dev/Monocly
First class tuple support in Focus

Tuples are extremely common and while they are not literally case classes, we know they have exactly case class semantics. A user might reasonably guess that ._1, ._2, etc do the obvious within a Focus ...
  • kenbot
  • Opened 
    on Feb 6, 2021
  • #40

optics-dev/Monocly
Non-case class getters in Focus

There s no reason not to allow plain old getter methods on non-case classes, generating a Getter. This is something that a user might reasonably guess is supported, and it seems unreasonably to make them ...
  • kenbot
  • Opened 
    on Feb 6, 2021
  • #39

optics-dev/Monocly
How to handle imports

Imports are typically an underrated and frustrating source of friction in Scala libraries. We should think carefully about the imports we require users to make to access Monocle functionality. The Focus ...
question
  • kenbot
  • 3
  • Opened 
    on Feb 2, 2021
  • #36

optics-dev/Monocly
add `withDefault` feature to Focus

withDefault(...) allows to fall back to a value in case the Option is a None. case class User(name: String, address: Option[Address]) case class Address(streetNumber: Int, postcode: String) val elise ...
  • julien-truffaut
  • 7
  • Opened 
    on Jan 31, 2021
  • #34

optics-dev/Monocly
`Focus` macro

This ticket is here to track and prioritize Focus macro features: - [x] zoom into a field of a case class (generate a monomorphic Lens) - [x] zoom into an Option using some https://github.com/optics-dev/Monocly/issues/17 ...
  • julien-truffaut
  • Opened 
    on Jan 26, 2021
  • #31

optics-dev/Monocly
Auto-generate Isos rather than Lenses for single-argument case classes

enhancement
  • kenbot
  • Opened 
    on Jan 21, 2021
  • #29

optics-dev/Monocly
Monocle's polymorphic optics don't work properly with case classes

Case classes in Scala The copy methods that Scala generates for polymorphic case classes are quite sophisticated. For instance, for case class Box[A](a: A), the copy method will look something like: ...
bug
  • kenbot
  • 3
  • Opened 
    on Jan 20, 2021
  • #28

optics-dev/Monocly
Focus operator naming

Given that we already have (or plan to have) named methods like some and each that compose those respective optics onto an optic, shouldn t we keep that naming inside the Focus macro rather than having ...
question
  • kenbot
  • 3
  • Opened 
    on Jan 17, 2021
  • #26

optics-dev/Monocly
at(i) operator for Focus

Assuming we have at as well as index. Implementation will be almost identical to index feature.
enhancement
  • kenbot
  • Opened 
    on Jan 17, 2021
  • #25
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