std::function requires #include <functional>

cybozu · Feb 1, 2017 · cd9c1e6 · cd9c1e6
1 parent 78191bd
commit cd9c1e6
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/cybozu/hash_map.hpp b/cybozu/hash_map.hpp
@@ -14,6 +14,7 @@
 #include <type_traits>
 #include <utility>
 #include <vector>
+#include <functional>
 
 namespace cybozu {