I notice the documentation says uPickle can write immutable Seqs, but I find the opposite to be true - it only seems to be able to write the mutable (Predef) version.
As shown below, it can write scala.collection.immutable.List so I imagine the fix should be simple.
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scala> import upickle._
import upickle._
scala> write(Seq(1, 2, 3))
res0: String = [1,2,3]
scala> write(List(1,2,3))
res1: String = [1,2,3]
scala> import scala.collection.immutable.Seq
import scala.collection.immutable.Seq
scala> write(Seq(1, 2, 3))
<console>:12: error: uPickle does not know how to write [scala.collection.immutable.Seq[Int]]s; define an implicit Writer[scala.collection.immutable.Seq[Int]] to teach it how
write(Seq(1, 2, 3))
^
I notice the documentation says uPickle can write immutable Seqs, but I find the opposite to be true - it only seems to be able to write the mutable (Predef) version.
As shown below, it can write
scala.collection.immutable.Listso I imagine the fix should be simple.ID: 21 Original Author: longshorej