Add one more #include<functional>

2026-07-07 14:47:40 +08:00 · 2019-11-05 09:25:25 -08:00
parent 622456584d
commit 6d353bc011
1 changed files with 1 additions and 0 deletions
@@ -6,6 +6,7 @@

 #include <assert.h>
 #include <condition_variable>
+#include <functional>
 #include <mutex>
 #include <string>
 #include <unordered_set>