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The stuffle (or quasi shuffle) algebra with counit and coproduct.
Apply:
- [attachment: stuffle.patch](https://github.com/sagemath/sage/files/ticket14914/c005c0f42c1c4c59c045cfa033cb13c8.gz)
- [a…
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I have the following code:
```scala
private val parser = new OptionParser[Execution]("sub") {
head("sub", "0.1")
arg[String]("name")...
.required()
.children(
no…
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What I mean is what if to create a type class for the whole case class / sealed trait I only need the instance for one field / subtype (or a subset of all fields / subtypes)? Like finding a field of s…
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```scala
type Color = "Brown" | "White" | "Yellow" | "Black"
```
```scala
given Encoder[Color] = Encoder.derived
```
```scala
inline def derived[T](using gen: K0.Generic[T]): Encoder[T] =
…
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Using shapeless's Coproduct, we get a warning that the match may not be exhaustive:
```scala
scala> import shapeless._
import shapeless._
scala> type IntOrString = Int :+: String :+: CNil
defi…
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The title says it all, basically.
It's a known fact that something like `EitherT[IO, E, ?]` has two channels of failing: by raising the `Throwable` in `IO` and by raising a `E` in an inner `Either`…
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Curious if you've given thought to what would be required to make this work with finch as well as https
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I've found that I got compilation error in REPR when the splain plugin is enabled:
```
scala> import shapeless._, me.limansky._, cats.instances.all._
import shapeless._
import me.limansky._
impor…
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Hi,
when I define a case class whose constructor accepts an Any, I got an Any error:
``` scala
test("Case class with Any") {
val result = WartTestTraverser(Any) {
case class CaseClassWith…
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I haven't actually tried running it yet, but https://github.com/slamdata/quasar has more and more serious compilation time issues than any project I've ever worked on (and I've worked on shapeless, em…