Include<ostream> in datetime.cpp

This commit is contained in:
wangli28 2020-02-17 10:44:37 +00:00
parent 6156acf068
commit b41e9ee913

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@ -15,6 +15,7 @@
#include <windows.h> #include <windows.h>
#endif #endif
#include <array> #include <array>
#include <ostream>
namespace { namespace {
std::tm localtime() std::tm localtime()