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Type classes are a widely used tool in Scala, both in the standard library (`scala.math.Ordering`) and in popular libraries like Cats, Scalaz, Spire, FS2, etc.
The obvious encoding of type classes …
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Inside the default namespace, implicit resolution does consider implicits defined in a package object in the default namespace too.
But zinc seems to rule out implicits those implicits and compilat…
avdv updated
7 months ago
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It seems counterintuitive that a number that fits in an `Int` (and thus also a `Long`) could be read as an `Int`, but not a `Long` unless the number is expressed as a string (i.e. quoted). I know that…
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Both UnpackagedAvroSource and PackageAvroSource case classes expect a TupleSetter and TupleConverter implicits. Yet the companion objects don't supply it. PackagedAvroSource passes TupleConverter only…
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Test with upickle 0.4.4 & Scala 2.12.1
```scala
import org.scalatest._
import upickle.default._
case class InnerCase(m1: Map[String, String] = Map.empty, //if remove this, test will always suc…
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The code
```scala
import doobie.postgres.implicits._
import io.chrisdavenport.fuuid.doobie.implicits._
io.chrisdavenport.fuuid.doobie.implicits.FuuidMeta
```
causes
```
java.lang.StackOv…
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**Issue by [rkuhn](https://github.com/rkuhn)**
_Friday Jul 17, 2015 at 07:13 GMT_
_Originally opened as https://github.com/akka/akka/issues/18021_
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From the [mailing list](https://groups.google.…
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#### Description of the problem
```coq
Require Import Coq.Lists.List.
Ltac foo x := match x with @List.map ?A ?B => constr:((A, B)) end.
Print Ltac foo.
(* Ltac foo x := match x with
…
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When building the base library I get this error, I've followed the instructions of the README.md, any idea on how to make this work?
I paste the output of the make command...
Thanks.
$ make -C ba…
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Hi :wave: ,
## reproduction steps
using Scala 2.13.2 & "org.julienrf" %% "play-json-derived-codecs" % "7.0.0"
I created two large sum types as follows:
```scala
sealed trait A extends Pr…