CppCon 2019: Arthur O'Dwyer “Back to Basics: Smart Pointers”

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Presentation Slides, PDFs, Source Code and other presenter materials are available at: https://github.com/CppCon/CppCon2019
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Smart pointers are one of the key features of modern C++. We'll cover the two fundamental strategies used by the standard smart pointers: unique ownership transfer and reference-counting. We'll show how shared_ptr uses control blocks to implement reference-counting of arbitrary objects, and how to use weak_ptr in conjunction with shared_ptr. We'll explain the convenience functions make_shared and make_unique, and demonstrate how they are more than just conveniences. Finally, we'll motivate, implement, and demystify the curiously recurring template enable_shared_from_this＜T＞.

Attendees will leave this session with a clear understanding of how C++11's smart pointers work under the hood.
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Arthur O'Dwyer
New York

Arthur O'Dwyer is the author of "Colossal Cave: The Board Game," "Mastering the C++17 STL" (the book), and "The STL From Scratch" (the training course). He runs professional C++ training courses, is occasionally active on the C++ Standards Committee, and has a blog mostly about C++.
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Videos Filmed & Edited by Bash Films: http://www.BashFilms.com

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