org.wartremover.warts.DefaultArguments.scala Maven / Gradle / Ivy
package org.wartremover
package warts
object DefaultArguments 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 t if hasWartAnnotation(t) =>
case t @ DefDef(name, _, _, _)
if (name != "copy") &&
t.termParamss
.flatMap(_.params)
.exists(p =>
p.symbol.flags.is(Flags.HasDefault) &&
!p.symbol.flags.is(Flags.Synthetic)
) =>
error(tree.pos, "Function has default arguments")
case _ =>
super.traverseTree(tree)(owner)
}
}
}
}
}