C++ Crash Course: A Fast-Paced Introduction by Josh Lospinoso

Author:Josh Lospinoso
Language: eng
Format: mobi, epub, pdf
ISBN: 9781593278892
Publisher: No Starch Press, Inc.
Published: 2019-12-28T16:00:00+00:00

Shared Arrays

A shared array is a shared pointer that owns a dynamic array and supports operator[]. It works just like a unique array except it has non-exclusive ownership.

Deleters

Deleters work the same way for shared pointers as they do for unique pointers except you don’t need to provide a template parameter with the deleter’s type. Simply pass the deleter as the second constructor argument. For example, to convert Listing 11-12 to use a shared pointer, you simply drop in the following type alias:

using FileGuard = std::shared_ptr<FILE>;

Now, you’re managing FILE* file handles with shared ownership.

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