#include <functional>
template <
typename InputIterator,
typename OutputIterator,
typename UnaryOperation,
typename UnaryPredicate
>
OutputIterator transform_if(
InputIterator first, InputIterator last,
OutputIterator result, UnaryPredicate pred,
UnaryOperation op)
{
while (first != last)
{
if (pred(*first))
*result = op(*first);
++first;
++result;
}
return (result);
}
template<class _Ty>
struct binary_and : public std::binary_function<_Ty, _Ty, bool>
{
result_type operator()(const first_argument_type& _Left, const second_argument_type& _Right) const
{ return (_Left & _Right) ? true : false; }
};
int main()
{
const size_t N = 10;
int A[N] = {0,1,2,3,4,5,6,7,8,9};
transform_if(A, A+N, A,
std::bind2nd(binary_and<int>(), 1),
std::bind2nd(std::plus<int>(), 1));
return (0);
} |
