diff options
Diffstat (limited to 'src/libutil/types.hh')
-rw-r--r-- | src/libutil/types.hh | 68 |
1 files changed, 2 insertions, 66 deletions
diff --git a/src/libutil/types.hh b/src/libutil/types.hh index 23eb5251209e..33aaf5fc9c4d 100644 --- a/src/libutil/types.hh +++ b/src/libutil/types.hh @@ -2,6 +2,8 @@ #include "config.h" +#include "ref.hh" + #include <string> #include <list> #include <set> @@ -97,70 +99,4 @@ typedef enum { } Verbosity; -/* A simple non-nullable reference-counted pointer. Actually a wrapper - around std::shared_ptr that prevents non-null constructions. */ -template<typename T> -class ref -{ -private: - - std::shared_ptr<T> p; - -public: - - ref<T>(const ref<T> & r) - : p(r.p) - { } - - explicit ref<T>(const std::shared_ptr<T> & p) - : p(p) - { - if (!p) - throw std::invalid_argument("null pointer cast to ref"); - } - - T* operator ->() const - { - return &*p; - } - - T& operator *() const - { - return *p; - } - - operator std::shared_ptr<T> () - { - return p; - } - -private: - - template<typename T2, typename... Args> - friend ref<T2> - make_ref(Args&&... args); - - template<typename T2, typename T3, typename... Args> - friend ref<T2> - make_ref(Args&&... args); - -}; - -template<typename T, typename... Args> -inline ref<T> -make_ref(Args&&... args) -{ - auto p = std::make_shared<T>(std::forward<Args>(args)...); - return ref<T>(p); -} - -template<typename T, typename T2, typename... Args> -inline ref<T> -make_ref(Args&&... args) -{ - auto p = std::make_shared<T2>(std::forward<Args>(args)...); - return ref<T>(p); -} - - } |