Add a include statement for std::optional.

sergiomb2 · May 13, 2020 · eff7427 · eff7427
1 parent 9a42429
commit eff7427
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/mp4file.h b/src/mp4file.h
@@ -33,6 +33,8 @@
 #ifndef MP4V2_IMPL_MP4FILE_H
 #define MP4V2_IMPL_MP4FILE_H
 
+#include <optional>
+
 namespace mp4v2 { namespace impl {
 
 ///////////////////////////////////////////////////////////////////////////////