From 54a684717fa39cd39315f8f6cb60b6c5a7fa76aa Mon Sep 17 00:00:00 2001
From: Camillo Lugaresi <camillol@google.com>
Date: Mon, 21 Nov 2022 23:22:49 -0800
Subject: [PATCH] Internal change

PiperOrigin-RevId: 490159674
---
 mediapipe/gpu/attachments.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mediapipe/gpu/attachments.h b/mediapipe/gpu/attachments.h
index ca9f074c4..3a73e4676 100644
--- a/mediapipe/gpu/attachments.h
+++ b/mediapipe/gpu/attachments.h
@@ -31,8 +31,8 @@ class AttachmentBase {};
 template <class Context, class T>
 class Attachment : public AttachmentBase<Context> {
  public:
-  using FactoryT = std::function<AttachmentPtr<T>(Context&)>;
-  Attachment(FactoryT factory) : factory_(factory) {}
+  using FactoryT = AttachmentPtr<T> (*)(Context&);
+  explicit constexpr Attachment(FactoryT factory) : factory_(factory) {}
 
   Attachment(const Attachment&) = delete;
   Attachment(Attachment&&) = delete;