Re: Iterators and ints get confused in template parameter

Kai-Uwe Bux wrote:


  This seems to work. Does anyone have any objections (besides it
using tr1)?

//---------------------------------------------------------------------------
#include <iostream>
#include <list>
#include <tr1/type_traits>

template<typename T>
class MyClass
{
    template<typename ValueType>
    void dispatchAssign(ValueType amount, ValueType value,
                        std::tr1::true_type)
    {
        std::cout << amount << " " << value << std::endl;
    }

    template<typename InputIterator>
    void dispatchAssign(InputIterator first, InputIterator last,
                        std::tr1::false_type)
    {
        while(first != last)
        {
            std::cout << *first << std::endl;
            ++first;
        }
    }

 public:
    void assign(size_t amount, const T& value)
    {
        dispatchAssign(amount, value, std::tr1::true_type());
    }

    template<typename InputIterator>
    void assign(InputIterator first, InputIterator last)
    {
        dispatchAssign(first, last,
                       std::tr1::is_integral<InputIterator>());
    }
};

int main()
{
    std::list<int> l1, l2;
    l1.assign(10, 5);
    l2.assign(l1.begin(), l1.end());

    MyClass<int> mc;
    mc.assign(l1.begin(), l1.end());
    mc.assign(10, 5);
}
//---------------------------------------------------------------------------