From 70c9819422152ca5998a51cf20b2a93cd8b804b5 Mon Sep 17 00:00:00 2001
From: Chris <chrisherb.sites@outlook.com>
Date: Tue, 6 Aug 2024 14:02:33 +0200
Subject: [PATCH] add missing include

---
 synth/voice_allocator.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/synth/voice_allocator.h b/synth/voice_allocator.h
index 0009459..63d64ad 100644
--- a/synth/voice_allocator.h
+++ b/synth/voice_allocator.h
@@ -4,6 +4,7 @@
 #include <vector>
 #include <memory>
 #include <algorithm>
+#include <functional>
 
 namespace trnr {