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• 0.5.1
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• CollectHead.scala

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fix.CollectHead.scala Maven / Gradle / Ivy

package fix

import scala.meta.Term
import scala.meta.XtensionCollectionLikeUI
import scalafix.Patch
import scalafix.v1.SyntacticDocument
import scalafix.v1.SyntacticRule
import scalafix.v1.XtensionSeqPatch

class CollectHead extends SyntacticRule("CollectHead") {
  override def fix(implicit doc: SyntacticDocument): Patch = {
    doc.tree.collect {
      case Term.Select(
            Term.Apply.After_4_6_0(
              Term.Select(_, collect @ Term.Name("collect")),
              Term.ArgClause(_ :: Nil, _)
            ),
            head @ Term.Name("head")
          ) =>
        Seq(
          Patch.replaceTree(collect, "collectFirst"),
          Patch.replaceTree(head, "get")
        ).asPatch
    }
  }.asPatch
}