Using Functors

Threads Module User's Guide
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8.3 Using Functors

To create a functor, you

Construct a handle
Construct and initialize a compatible body
Bind that body to the handle

The simplest way to do this is to use a global template function to create the body, such as the rwtMakeFunctor0() function in the following example.

Example 69 shows the minimal code required for building and using a functor.

Example 69: Creating and using a functor

#include <rw/functor/functor0.h>

void func(void);

// build a functor to encapsulate function func
RWFunctor0 functor = rwtMakeFunctor0((void(*)(void))0,func);

//invoke the functor
functor();

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