模板参数错误,C ++
我使用相当复杂的数据结构:
第1类:
template <class T>
class Number
{
private:
T first;
T second;
};
第2课:
template <typename Item>
struct TList
{
typedef std::vector <Item> Type;
};
template <typename Item>
class GList
{
private:
typename TList <Item>::Type items;
public:
GList() : items (0) {}
public:
Item & operator [] (int index ) {return items[index];}
};
3级:
template <typename T, template <typename> class GList>
class sortIndices
{
private:
const GList <T> *l;
public:
sortIndices ( const GList <T> *l_ ) : l ( l_ ) {}
bool operator() ( const unsigned int &i_p1, const unsigned int &i_p2 ) const
{
return true;
}
};
第4类:
template <typename T, template <typename> class List>
struct TISet
{
typedef std::set <unsigned int, sortIndices <T, List> > Type;
};
template <typename T, template <typename> class List>
struct TSample
{
T res;
typename TISet <T, List> ::Type indices;
TSample ( const List <T> *nl ) : res(0), indices ( nl ) {}
};
第5课:
template <typename T, template <typename> class List>
struct TResults
{
typedef std::set < TSample <T, List>, sortIndices <T, List> > Type;
};
第6课:
class Test
{
public:
template <typename T, template <typename> class List>
static void function (List <T> *l, typename TResults <T, List> ::Type *result) {}
};
使用以下对象作为静态函数的参数是问题...
TResults <double, GList >::Type t_results;
我的第一个问题:如何正确传递结构的地址?
主程序:
int main()
{
GList <Number <double> *> plist; //Create list of numbers
TResults <double, GList >::Type t_results; //Create empty results
Test::function(&plist, &t_results); //ERROR, test function
}
错误代码:
Error 1 error C2664: 'void Test::function< Number <T> *, GList>( GList <Item> *,std::set<_Kty, _Pr> *)' :
cannot convert parameter 2 from 'std::set<_Kty,_Pr> *' to 'std::set<_Kty,_Pr> *'
with
[
T=double,
Item=Number<double> *,
_Kty=TSample<Number<double> *,GList>,
_Pr=sortIndices<Number<double> *,GList>
]
and
[
_Kty=TSample<double,GList>,
_Pr=sortIndices<double,GList>
]
and
[
_Kty=TSample<Number<double> *,GList>,
_Pr=sortIndices<Number<double> *,GList>
]
修改后
class Test
{
public:
template <typename T, template <typename> class List>
static void function (typename TResults <T, List> ::Type *result) {}
};
int main()
{
GList <Number <double> *> plist; //Create list of numbers
TResults <double, GList >::Type t_results; //Create empty results
Test::function(&t_results); //ERROR, test function
}
有以下错误:
错误1错误C2783:'void Test :: function(TResults :: Type *)':无法推断'T'的模板参数
谢谢你的时间和帮助......
没有找到相关结果
已邀请:
2 个回复
到街客核
要么
但你所拥有的论证类型并没有结合在一起。
貉骂
ctor。