Function pointers, typedef a function pointer, and std::function | Modern Cpp Series Ep. 30

Published: 29 January 2022
on channel: Mike Shah

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►Lesson Description: In this lesson I show how to create a variable that can store a function address--this is called a function pointer. One common use of function pointers is to be used for 'callback' functions that can be reassigned at run-time to change the behavior associated with some object (e.g. in a graphical user interface when you press a button).

Later on in the video I'll show a few easier ways to work with function pointers, including using a 'typedef' (which you'll often see in C codebases), as well as the more modern std::function, which uses a much more forgiving syntax.

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