Шаблоны, векторы и указатели на функции

template <typename T>
class A
{
public:
    A(std::vector<T>);
private:
    std::vector<T> func1();
    std::vector<T> func2();
    //...
    std::vector<T> func10();
    
        std::vector<T> data;
    std::vector<std::vector<T> (*)()> functions;
 
};
 
template <typename T>
A<T>::A(std::vector<T> insert) : data(insert)
{
    functions[0] = func1;
}

error: cannot convert 'A<T>::func1<int>' from type 'std::vector<int> (A<int>::)()' to type 'std::vector<int> (*)()'

std::vector<std::vector<T> (A<T>::*)()> functions(10);

error: cannot convert 'A<T>::func1<int>' from type 'std::vector<int> (A<int>::)()' to type 'std::vector<int> (A<int>::*)()'

#include <iostream>
#include <vector>
 
template <typename T>
class A
{
public:
    A(std::vector<T>);
private:
    std::vector<T> func1() { return std::vector<T>(); }
    std::vector<T> func2();
    //...
    std::vector<T> func10();
    
    std::vector<T> data;
 
    typedef std::vector<T> (A<T>::*p)();
 
    std::vector<p> functions;
 
};
 
template <typename T>
A<T>::A(std::vector<T> insert) : data(insert)
{
    functions.push_back( &A<T>::func1 );
}
 
int main()
{
    std::vector<int> v;
    A<int> a( v );
}