small optimisation for optF

typelevel · Aug 3, 2022 · 0cd6d46 · 0cd6d46
1 parent fd87685
commit 0cd6d46
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/core/src/main/scala/cats/TraverseFilter.scala b/core/src/main/scala/cats/TraverseFilter.scala
@@ -67,8 +67,10 @@ trait TraverseFilter[F[_]] extends FunctorFilter[F] {
    * scala> result.value
    * res0: List[Option[String]] = List(Some(two), None)
    */
-  def traverseCollect[G[_], A, B](fa: F[A])(f: PartialFunction[A, G[B]])(implicit G: Applicative[G]): G[F[B]] =
-    traverseFilter(fa)(a => Traverse[Option].sequence(f.lift(a)))
+  def traverseCollect[G[_], A, B](fa: F[A])(f: PartialFunction[A, G[B]])(implicit G: Applicative[G]): G[F[B]] = {
+    val optF = f.lift
+    traverseFilter(fa)(a => Traverse[Option].sequence(optF(a)))
+  }
 
   /**
    * {{{