我正在尝试在 REPL 中运行 scala 猫。按照 cat 的指示,我安装了 ammonite REPL 并将以下导入predef.sc
nterp.configureCompiler(_.settings.YpartialUnification.value = true)
import $ivy.`org.typelevel::cats-core:2.2.0-M1`, cats.implicits._
运行时出现此错误amm
。
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