Tutorial information about function-pointers and callbacks. A function-pointer is a variable that points to the address of a function with a specific signature (calling argument and return type). They are used to implement callbacks: You pass a function-pointer as calling argument to another function/object and the function/object then uses the function-pointer to callback.
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Callbacks in C++: The OO Way
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By Jurgen Hermann. What are Callbacks? A simple Thread class. Thread implementation. A real Thread class.
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C++ Callback Solution
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A solution to the problem of passing class methods as Callbacks in the C++ language using a template pattern.
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Callbacks
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A short page about callbacks and functors.
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Callbacks in C++
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Information on implementing callbacks in C++, a free callback library, and sourcecode.