June 2017
Intermediate to advanced
532 pages
12h 59m
English
Content preview from C++17 STL Cookbook
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Simplifying resource handling of legacy APIs with smart pointers
Smart pointers (unique_ptr, shared_ptr, and weak_ptr) are extremely useful, and it is, in general, safe to say that a programmer should always use these instead of allocating and freeing memory manually.
But what if objects cannot be allocated using the new operator and/or cannot be freed again using delete? Many legacy libraries come with their own allocation/destruction functions. It seems that this would be a problem because we learned that smart pointers rely on new and delete. If the creation and/or destruction of specific types of objects relies on specific factory functions' deleter interfaces, does this prevent us from getting the humongous benefits of smart pointers? ...
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