diff options
Diffstat (limited to 'include/libcamera/controls.h')
| -rw-r--r-- | include/libcamera/controls.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/libcamera/controls.h b/include/libcamera/controls.h index 665bcac1..192be784 100644 --- a/include/libcamera/controls.h +++ b/include/libcamera/controls.h @@ -8,6 +8,7 @@ #pragma once #include <assert.h> +#include <optional> #include <set> #include <stdint.h> #include <string> @@ -373,11 +374,11 @@ public: bool contains(unsigned int id) const; template<typename T> - T get(const Control<T> &ctrl) const + std::optional<T> get(const Control<T> &ctrl) const { const ControlValue *val = find(ctrl.id()); if (!val) - return T{}; + return std::nullopt; return val->get<T>(); } |