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PO
primarykey
Id
3834886
data
AcceptedAnswerId
0
AnswerCount
0
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0
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CreationDate
2010-09-30T21:12:05.377
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0
LastActivityDate
2010-09-30T21:18:18.117
LastEditDate
2010-09-30T21:18:18.117
LastEditorUserId
257903
OwnerUserId
257903
ParentId
3834508
PostTypeId
2
Score
2
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0
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text
Body
Hm. I think I got something nasty. The code is not very pretty or good, but you probably get the idea. You should be able to use templates to recursively store objects of any type, and also recurse through them when calling the function. <pre><code>#include <iostream> template<typename first_arg, typename... args> class Event { public: Event(void (*fn)(first_arg, args...), first_arg first, args... in) : m_func(fn), var(first, in...) {} void operator()() { var(m_func); } private: void (*m_func)(first_arg, args...); template <typename t_arg, typename... t_args> struct storage; template <typename t_arg> struct storage<t_arg> { storage(t_arg t) : m_var(t) {} template<typename t_func, typename... tt_args> void operator()(t_func fn, tt_args... p) { fn(p..., m_var); } t_arg m_var; }; template <typename t_arg, typename t_arg2, typename... t_args> struct storage<t_arg, t_arg2, t_args...> { storage(t_arg t, t_arg2 t2, t_args... p) : m_var(t), m_storage(t2, p...) {} template<typename t_func, typename... tt_args> void operator()(t_func fn, tt_args... p) { m_storage(fn, p..., m_var); } t_arg m_var; storage<t_arg2, t_args...> m_storage; }; storage<first_arg, args...> var; }; void test(int a, float b) { std::cout << a << std::endl < event(test, 10, 100.0); event(); } </code></pre> Also, I think std::bind does something similar, but not sure :D
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