Add some include<functional>

This commit is contained in:
sdong 2019-10-31 14:17:26 -07:00
parent 9f22c0f9f4
commit a72f5f6f4f

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@ -10,6 +10,7 @@
#pragma once
#include <atomic>
#include <functional>
#include <memory>
#include <unordered_map>
#include <vector>