From 0cd6d46a40143fa8593383f1b93fbb40d46191bf Mon Sep 17 00:00:00 2001
From: Emil Hotkowski <ehotkowski@hopper.com>
Date: Wed, 3 Aug 2022 11:51:34 +0200
Subject: [PATCH] small optimisation for optF

---
 core/src/main/scala/cats/TraverseFilter.scala | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/core/src/main/scala/cats/TraverseFilter.scala b/core/src/main/scala/cats/TraverseFilter.scala
index 490bf33464..9f2d00ec72 100644
--- 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)))
+  }
 
   /**
    * {{{