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December 23, 2015 08:29
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引数群を受け取る練習。index tuple idiomを使う練習。VC++12.0で書きました。gccで動かすには`_Make_arg_idx`を`_Build_index_tuple`に、`_Arg_idx`を`_Index_tuple`に置き換えば動くと思います多分(確認していない)
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#include <tuple> | |
#include <list> | |
#include <iostream> | |
using namespace std; | |
class hoge | |
{ | |
public: | |
template <class... T1, class... T2> | |
hoge(tuple<T1...> t1, tuple<T2...> t2) | |
: hoge(move(t1), move(t2), typename _Make_arg_idx<T1...>::type(), typename _Make_arg_idx<T2...>::type()) | |
{ | |
} | |
private: | |
template <class... T1, class... T2, unsigned... I1, unsigned... I2> | |
hoge(tuple<T1...> t1, tuple<T2...> t2, _Arg_idx<I1...>, _Arg_idx<I2...>) | |
: int_list_(forward<T1>(get<I1>(t1))...), | |
double_list_(forward<T2>(get<I2>(t2))...) | |
{ | |
} | |
//アクセサー書くの面倒臭かったので | |
public: | |
list<int> int_list_; | |
list<double> double_list_; | |
}; | |
int main() | |
{ | |
hoge h(forward_as_tuple(5, 10), forward_as_tuple(4, 3.14)); | |
for (const auto& i : h.int_list_) | |
{ | |
cout << i << endl; | |
} | |
cout << "----------------------\n"; | |
for (const auto& i : h.double_list_) | |
{ | |
cout << i << endl; | |
} | |
} |
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