YpartialUnification值不是scala.tools.nsc.Settings的成员

Question

我正在尝试在REPL中运行斯卡拉猫。按照猫的instructions，我已经安装了mon石REPL并将以下导入项放入predef.sc]

nterp.configureCompiler(_.settings.YpartialUnification.value = true)
import $ivy.`org.typelevel::cats-core:2.2.0-M1`, cats.implicits._
运行amm时出现此错误。 

predef.sc:1: value YpartialUnification is not a member of scala.tools.nsc.Settings
val res_0 = interp.configureCompiler(_.settings.YpartialUnification.value = true)
                                                ^
Compilation Failed

我正在尝试在REPL中运行斯卡拉猫。按照cat的说明，我已经安装了ammonite REPL，并将以下导入内容放入predef.sc中。nterp.configureCompiler（_。settings.YpartialUnification.value = ...

Answer 1

在Scala 2.13中，-Ypartial-unification标志已由Partial unification unconditional; deprecate -Xexperimental #6309删除