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• org.wartremover
• wartremover_2.13.15-M1
• 3.2.1
• source code
• MutableDataStructures.scala

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org.wartremover.warts.MutableDataStructures.scala Maven / Gradle / Ivy

package org.wartremover
package warts

object MutableDataStructures extends WartTraverser {
  def apply(u: WartUniverse): u.Traverser = {
    import u.universe._

    val mutablePackage = rootMirror.staticPackage("scala.collection.mutable")

    new u.Traverser {
      override def traverse(tree: Tree): Unit = {
        tree match {
          // Ignore trees marked by SuppressWarnings
          case t if hasWartAnnotation(u)(t) =>
          case Select(tpt, _) if tpt.tpe.contains(mutablePackage) && tpt.tpe.termSymbol.isPackage =>
            error(u)(tree.pos, "scala.collection.mutable package is disabled")
            super.traverse(tree)
          case _ => super.traverse(tree)
        }
      }
    }
  }
}