From 576053d995459c4abcd67eafceb90b34033f41cc Mon Sep 17 00:00:00 2001
From: Pengfei Zhu <zhupf321@gmail.com>
Date: Wed, 22 Apr 2020 23:27:41 +0800
Subject: [PATCH] Fix compilation

---
 src/core/importer.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/core/importer.h b/src/core/importer.h
index 57ac6a0..1985f60 100644
--- a/src/core/importer.h
+++ b/src/core/importer.h
@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <functional>
 #include <memory>
 #include <string>
 #include <vector>