Use .void over .map(_ => ()) to give instances chance to optimize

typelevel · Aug 25, 2023 · a1c9ff5 · a1c9ff5
1 parent 5c5049f
commit a1c9ff5
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/core/src/main/scala/cats/Traverse.scala b/core/src/main/scala/cats/Traverse.scala
@@ -310,11 +310,11 @@ object Traverse {
     val iter = fa.iterator
     if (iter.hasNext) {
       val first = iter.next()
-      G.map(iter.foldLeft(f(first)) { case (g, a) =>
+      G.void(iter.foldLeft(f(first)) { case (g, a) =>
         G.flatMap(g) { _ =>
           f(a)
         }
-      })(_ => ())
+      })
     } else G.unit
   }