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#ifndef INVOKER_HPP_INCLUDED
#define INVOKER_HPP_INCLUDED
template <typename R>
struct Invoker0
{
template <class TDelegate>
R operator()(TDelegate const & d) {return d();}
};
template <typename R, typename A1>
struct Invoker1
{
A1 a1;
template <class TDelegate>
R operator()(TDelegate const & d) {return d(a1);}
};
template <typename R, typename A1, typename A2>
struct Invoker2
{
A1 a1;
A2 a2;
template <class TDelegate>
R operator()(TDelegate const & d) {return d(a1, a2);}
};
template <typename R, typename A1, typename A2, typename A3>
struct Invoker3
{
A1 a1;
A2 a2;
A3 a3;
template <class TDelegate>
R operator()(TDelegate const & d) {return d(a1, a2, a3);}
};
#endif//INVOKER_HPP_INCLUDED
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