From b05f26e2db72b5ed222bb7506bbf182e7d85d246 Mon Sep 17 00:00:00 2001
From: tnoho <teaotya@gmail.com>
Date: Mon, 28 Aug 2023 18:56:12 +0900
Subject: [PATCH] =?UTF-8?q?Windows=20=E3=81=A7=E3=83=93=E3=83=AB=E3=83=89?=
 =?UTF-8?q?=E3=81=8C=E9=80=9A=E3=82=89=E3=81=AA=E3=81=84=E3=81=AE=E3=81=A7?=
 =?UTF-8?q?=E4=BF=AE=E6=AD=A3?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/sora_audio_stream_sink.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/sora_audio_stream_sink.h b/src/sora_audio_stream_sink.h
index 45795eba..affd0b88 100644
--- a/src/sora_audio_stream_sink.h
+++ b/src/sora_audio_stream_sink.h
@@ -1,6 +1,8 @@
 #ifndef SORA_AUDIO_STREAM_SINK_H_
 #define SORA_AUDIO_STREAM_SINK_H_
 
+#include <optional>
+
 // nonobind
 #include <nanobind/nanobind.h>
 #include <nanobind/ndarray.h>