jiridanek commented on a change in pull request #315:
URL: https://github.com/apache/qpid-proton/pull/315#discussion_r639137399
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File path: c/tests/pn_test.hpp
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@@ -46,13 +46,14 @@ namespace pn_test {
template <class T, void (*Free)(T *)> class auto_free {
T *ptr_;
auto_free &operator=(auto_free &x);
- auto_free(auto_free &x);
+public:
+ auto_free(auto_free &x) = delete;
public:
- auto_free(T *p = 0) : ptr_(p) {}
+ explicit auto_free(T *p = 0) : ptr_(p) {}
~auto_free() { Free(ptr_); }
T *get() const { return ptr_; }
- operator T *() const { return ptr_; }
+ operator T *() const { return ptr_; } // not marking explicit for convenience
Review comment:
This class is something like an `std::unique_ptr` with a deleter.
Apparently having explicit `operator*` was considered and dismissed, for
reasons
https://herbsutter.com/2012/06/21/reader-qa-why-dont-modern-smart-pointers-implicitly-convert-to/
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