Add missing #include

This commit is contained in:
Howard Hinnant 2016-12-26 18:34:40 -05:00
parent 628404b87c
commit 6889dc69fb

1
date.h
View File

@ -28,6 +28,7 @@
// been invented (that woud involve another several millennia of evolution).
// We did not mean to shout.
#include <algorithm>
#include <cctype>
#include <chrono>
#if !(__cplusplus >= 201402)