diff options
Diffstat (limited to 'daemon/src/connection_manager.h')
| -rw-r--r-- | daemon/src/connection_manager.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/daemon/src/connection_manager.h b/daemon/src/connection_manager.h index d8b0e90..2711d34 100644 --- a/daemon/src/connection_manager.h +++ b/daemon/src/connection_manager.h @@ -8,6 +8,8 @@ #include <memory> #include <map> #include <thread> +#include <optional> +#include <functional> namespace midi_router { @@ -21,7 +23,7 @@ public: ~Connection_Manager(); - Sender & + std::optional<std::reference_wrapper<Sender>> get_sender(Device_Id const & device) const; private: |