diff options
Diffstat (limited to 'sigc++/reference_wrapper.h')
| -rw-r--r-- | sigc++/reference_wrapper.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sigc++/reference_wrapper.h b/sigc++/reference_wrapper.h index 8b67e5f..780d941 100644 --- a/sigc++/reference_wrapper.h +++ b/sigc++/reference_wrapper.h @@ -19,6 +19,8 @@ #ifndef SIGC_REFERENCE_WRAPPER_H #define SIGC_REFERENCE_WRAPPER_H +#include <functional> + namespace sigc { |