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Asked: 2026-05-14T15:28:48+00:00

I’m surprised this question wasn’t asked before on SO (well, at least I couldn’t

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I’m surprised this question wasn’t asked before on SO (well, at least I couldn’t find it).

Have you ever designed a method-callback pattern (something like a “pointer” to a class method) in C++ and, if so, how did you do it ?

I know a method is just a regular function with some hidden this parameter to serve as a context and I have a pretty simple design in mind. However, since things are often more complex than they seem to, I wonder how our C++ gurus would implement this, preferably in an elegant and standard way.

All suggestions are welcome !

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1 Answer

  1. Editorial Team

    boost::function for single callback, boost::signal or boost::signals2 when more than one callbacks can be registered, using boost::bind to bind member methods (or adapting the signatures in different ways).

    If you have access to a compiler with C++0x/C++11 support it may have std::function and std::bind that are the new standard version of boost::function and boost::bind

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