IDelegate.h

#pragma once

template<typename R> class IDelegate0
{
public:
    IDelegate0() { }
    virtual ~IDelegate0() { }

    virtual R   operator()() = 0;
};

template<typename R, typename P1> class IDelegate1
{
public:
    IDelegate1() { }
    virtual ~IDelegate1() { }

    virtual R   operator()(P1) = 0;
};

template<typename R, typename P1, typename P2> class IDelegate2
{
public:
    IDelegate2() { }
    virtual ~IDelegate2() { }

    virtual R   operator()(P1, P2) = 0;
};

template<typename R, typename P1, typename P2, typename P3> class IDelegate3
{
public:
    IDelegate3() { }
    virtual ~IDelegate3() { }

    virtual R   operator()(P1, P2, P3) = 0;
};

template<typename R, typename P1, typename P2, typename P3, typename P4> class IDelegate4
{
public:
    IDelegate4() { }
    virtual ~IDelegate4() { }

    virtual R   operator()(P1, P2, P3, P4) = 0;
};

template<typename R, typename P1, typename P2, typename P3, typename P4, typename P5> class IDelegate5
{
public:
    IDelegate5() { }
    virtual ~IDelegate5() { }

    virtual R   operator()(P1, P2, P3, P4, P5) = 0;
};