org.wartremover.warts.Option2Iterable.scala Maven / Gradle / Ivy
package org.wartremover
package warts
object Option2Iterable extends WartTraverser {
def apply(u: WartUniverse): u.Traverser = {
import u.universe._
val scala = TypeName("scala")
val option = TermName("Option")
val option2Iterable = TermName("option2Iterable")
new u.Traverser {
override def traverse(tree: Tree): Unit = {
tree match {
// Ignore trees marked by SuppressWarnings
case t if hasWartAnnotation(u)(t) =>
case Select(Select(This(pkg), obj), method) if pkg == scala && obj == option && method == option2Iterable =>
error(u)(tree.pos, "Implicit conversion from Option to Iterable is disabled - use Option#toList instead")
case _ =>
super.traverse(tree)
}
}
}
}
}