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Re: Event handler in c++

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在 2012年2月13日星期一UTC+8下午7时52分44秒，Robin Tucker写道：
> I'm using a templated method to describe, dispatch and handle events
> in an intuitive manner. For example, describing an event can be done
> with something like this:
> 
>     Event<void(std::shared_ptr<Observable>, double, double, double)>
> MyEvent;
> 
> , for an event that takes 4 parameters (the "sender" and three
> doubles). The handler looks like this:
> 
>     void OnEventHandler(std::shared_ptr<Observable> sender, double x,
> double y, double z)
>     {
>         // Handle the event.
>     }
> 
> And the event is dispatched in the following intuitive way:
> 
>     MyEvent(shared_from_this(), 3, 2, 1);
> 
> It's type-safe and you can dispatch any number of parameters (up to 9
> actually, in the absence of variadic templates in VS2010!). Anyway the
> code and blog about it can be found here:
> 
>     http://drrobsjournal.blogspot.com/
> 
> I hope this is useful to someone.

C++ is not very good to be usd as a language to 
write device drives to be called by the OS. 

People working on the linux kernal talked about this
problem for so long.

Unless functions in the C++ container and template libraries are incorporated into the OS kernal library
or system shared  linked libraries,  otherwise  C++ compiled  programs are too fat in the heap, too.

A device in the OS is an object that responds to messages from the OS or AP.

  

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Event handler in c++ pratik lala <pratik3558@gmail.com> - 2012-01-22 06:42 -0800
  Re: Event handler in c++ "Alf P. Steinbach" <alf.p.steinbach+usenet@gmail.com> - 2012-01-22 16:11 +0100
    Re: Event handler in c++ "osmium" <r124c4u102@comcast.net> - 2012-01-22 10:56 -0600
      Re: Event handler in c++ Robert Wessel <robertwessel2@yahoo.com> - 2012-01-22 21:32 -0600
      Re: Event handler in c++ Christopher <cpisz@austin.rr.com> - 2012-01-24 08:25 -0800
        Re: Event handler in c++ Robin Tucker <robinmjtucker@gmail.com> - 2012-02-13 03:52 -0800
          Re: Event handler in c++ 88888 Dihedral <dihedral88888@googlemail.com> - 2012-02-14 02:14 -0800
            Re: Event handler in c++ Ian Collins <ian-news@hotmail.com> - 2012-02-15 07:17 +1300
              Re: Event handler in c++ 88888 Dihedral <dihedral88888@googlemail.com> - 2012-02-14 11:51 -0800
                Re: Event handler in c++ Ian Collins <ian-news@hotmail.com> - 2012-02-15 16:59 +1300
                Re: Event handler in c++ MiB <michael.boehnisch@gmail.com> - 2012-02-15 02:11 -0800
                Re: Event handler in c++ Ian Collins <ian-news@hotmail.com> - 2012-02-16 07:46 +1300
                Re: Event handler in c++ Robert Wessel <robertwessel2@yahoo.com> - 2012-02-15 15:32 -0600
                Re: Event handler in c++ MiB <michael.boehnisch@gmail.com> - 2012-02-16 17:56 -0800
          Re: Event handler in c++ Rui Maciel <rui.maciel@gmail.com> - 2012-02-15 23:11 +0000
    Re: Event handler in c++ pratik lala <pratik3558@gmail.com> - 2012-01-22 16:14 -0800
      Re: Event handler in c++ "Alf P. Steinbach" <alf.p.steinbach+usenet@gmail.com> - 2012-01-23 03:54 +0100

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