diff options
Diffstat (limited to 'src/common/dumb_ptr.hpp')
| -rw-r--r-- | src/common/dumb_ptr.hpp | 39 |
1 files changed, 35 insertions, 4 deletions
diff --git a/src/common/dumb_ptr.hpp b/src/common/dumb_ptr.hpp index 9321036..1a0b4a1 100644 --- a/src/common/dumb_ptr.hpp +++ b/src/common/dumb_ptr.hpp @@ -28,17 +28,26 @@ template<class T> class dumb_ptr { + template<class U> + friend class dumb_ptr; T *impl; public: explicit dumb_ptr(T *p=nullptr) : impl(p) {} + template<class U> + dumb_ptr(dumb_ptr<U> p) + : impl(p.impl) + {} + dumb_ptr(std::nullptr_t) + : impl(nullptr) + {} void delete_() { delete impl; - forget(); + *this = nullptr; } template<class... A> void new_(A&&... a) @@ -51,9 +60,10 @@ public: { return dumb_ptr<T>(new T(std::forward<A>(a)...)); } - void forget() + dumb_ptr& operator = (std::nullptr_t) { impl = nullptr; + return *this; } T& operator *() const @@ -74,6 +84,15 @@ public: { return !impl; } + + friend bool operator == (dumb_ptr l, dumb_ptr r) + { + return l.impl == r.impl; + } + friend bool operator != (dumb_ptr l, dumb_ptr r) + { + return !(l == r); + } }; // unmanaged new/delete-able pointer @@ -85,6 +104,8 @@ class dumb_ptr<T[]> size_t sz; public: dumb_ptr() : impl(), sz() {} + dumb_ptr(std::nullptr_t) + : impl(nullptr), sz(0) {} dumb_ptr(T *p, size_t z) : impl(p) , sz(z) @@ -93,7 +114,7 @@ public: void delete_() { delete[] impl; - forget(); + *this = nullptr; } void new_(size_t z) { @@ -105,10 +126,11 @@ public: { return dumb_ptr<T[]>(new T[z](), z); } - void forget() + dumb_ptr& operator = (std::nullptr_t) { impl = nullptr; sz = 0; + return *this; } size_t size() const @@ -143,6 +165,15 @@ public: { return !impl; } + + friend bool operator == (dumb_ptr l, dumb_ptr r) + { + return l.impl == r.impl; + } + friend bool operator != (dumb_ptr l, dumb_ptr r) + { + return !(l == r); + } }; #endif // TMWA_COMMON_DUMB_PTR_HPP |