From 04f7bce49075e33a2e496a01a76baaa252a2ac22 Mon Sep 17 00:00:00 2001
From: Marissa <dev@princess.lgbt>
Date: Tue, 1 Aug 2023 03:52:42 -0400
Subject: [PATCH] fixup! fixup! fixup! fixup! fixup! Add `mapK` to `Tracer`,
 `SpanBuilder`, etc.

remove unnecessary Span.MappedK
---
 .../src/main/scala/org/typelevel/otel4s/trace/Span.scala   | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/core/trace/src/main/scala/org/typelevel/otel4s/trace/Span.scala b/core/trace/src/main/scala/org/typelevel/otel4s/trace/Span.scala
index 2b2e0befa..66cc1709e 100644
--- a/core/trace/src/main/scala/org/typelevel/otel4s/trace/Span.scala
+++ b/core/trace/src/main/scala/org/typelevel/otel4s/trace/Span.scala
@@ -97,7 +97,7 @@ trait Span[F[_]] extends SpanMacro[F] {
     backend.end(timestamp)
 
   /** Modify the context `F` using the transformation `f`. */
-  def mapK[G[_]](f: F ~> G): Span[G] = new Span.MappedK(this)(f)
+  def mapK[G[_]](f: F ~> G): Span[G] = Span.fromBackend(backend.mapK(f))
 
   /** Modify the context `F` using an implicit [[KindTransformer]] from `F` to
     * `G`.
@@ -206,9 +206,4 @@ object Span {
     new Span[F] {
       def backend: Backend[F] = back
     }
-
-  /** Implementation for [[Span.mapK]]. */
-  private class MappedK[F[_], G[_]](span: Span[F])(f: F ~> G) extends Span[G] {
-    def backend: Backend[G] = span.backend.mapK(f)
-  }
 }