src/main/scala/xyz/driver/pdsuicommon/utils/MapOps.scala


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package xyz.driver.pdsuicommon.utils

final class MapOps[K, V](val self: Map[K, V]) extends AnyVal {

  def swap: Map[V, Set[K]] = {
    self.toList
      .groupBy { case (_, v)         => v }
      .mapValues(_.map { case (k, _) => k }.toSet)
  }
}