Fix a compile error on Debian sid 5.17.11-1

zhi-wang · zhi-wang · commit c8b4e8b35ee2 · 2022-06-01T02:51:14.000-04:00
Close #199
diff --git a/test/async.cpp b/test/async.cpp
@@ -3,6 +3,7 @@
 #include <future>
 #include <mutex>
 #include <random>
+#include <thread>
 
 #include "test.h"
 
