diff options
| -rw-r--r-- | src/util/system.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/util/system.h b/src/util/system.h index 291f3f5541..29657e56e2 100644 --- a/src/util/system.h +++ b/src/util/system.h @@ -25,6 +25,7 @@ #include <util/threadnames.h> #include <util/time.h> +#include <any> #include <exception> #include <map> #include <optional> @@ -500,6 +501,18 @@ inline void insert(std::set<TsetT>& dst, const Tsrc& src) { dst.insert(src.begin(), src.end()); } +/** + * Helper function to access the contained object of a std::any instance. + * Returns a pointer to the object if passed instance has a value and the type + * matches, nullptr otherwise. + */ +template<typename T> +T* AnyPtr(const std::any& any) noexcept +{ + T* const* ptr = std::any_cast<T*>(&any); + return ptr ? *ptr : nullptr; +} + #ifdef WIN32 class WinCmdLineArgs { |