readme.md

• scala/scala#10851

StringTailInit.scala

import org.wartremover.WartTraverser
import org.wartremover.WartUniverse

object StringTailInit extends WartTraverser {
  def apply(u: WartUniverse): u.Traverser =
    new u.Traverser(this) {
      import q.reflect.*
      override def traverseTree(tree: Tree)(owner: Symbol): Unit = {
        tree match {
          case Select(Apply(Ident("augmentString"), _ :: Nil), "init" | "tail") =>
            warning(tree.pos, s"空文字だと例外投げるようになるぞ！ https://github.com/scala/scala/pull/10851")
          case _ =>
        }
        super.traverseTree(tree)(owner)
      }
    }
}