org.wartremover.warts.ReverseIterator.scala Maven / Gradle / Ivy
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package org.wartremover
package warts
object ReverseIterator extends WartTraverser {
def apply(u: WartUniverse): u.Traverser = {
import u.universe._
val seq = rootMirror.staticClass("scala.collection.Seq").toTypeConstructor
val int = typeOf[Int]
new u.Traverser {
override def traverse(tree: Tree): Unit = {
tree match {
case _ if hasWartAnnotation(u)(tree) =>
case Select(Select(left, TermName("reverse")), TermName("iterator")) if left.tpe.typeConstructor <:< seq =>
error(u)(tree.pos, "you can use reverseIterator instead of reverse.iterator")
case _ =>
super.traverse(tree)
}
}
}
}
}