typename iterators::enable_if<
is_class<UnaryFunction> // We should probably find a cheaper test than is_class<>
, transform_iterator<UnaryFunction, Iterator>
>::type
make_transform_iterator(Iterator it)
{
return transform_iterator<UnaryFunction, Iterator>(it, UnaryFunction());
}
struct my_function_s : public ConcreteUnaryFunction<T>
{
T operator()(const T& x) const
{
operation_on_x();
}
}
UnaryFunction my_function()
{
return UnaryFunction(new my_function_s<doubleint>());
}
explicit transform_iterator(const Iterator &it, const UnaryFunction &f = UnaryFunction())
: UnaryFunction(f), m_it(it)
{}
inline function_output_iterator<UnaryFunction>
make_function_output_iterator(const UnaryFunction& f = UnaryFunction()) {
return function_output_iterator<UnaryFunction>(f);
}
explicit function_output_iterator(const UnaryFunction& f = UnaryFunction())
: m_f(f) {}
explicit transform_iterator(const Iterator &it, const UnaryFunction &f = UnaryFunction())
: members_(it, f)
{}
PropertyUnaryFunction(Property property, UnaryFunction unary_function = UnaryFunction())
: property(property), unary_function(unary_function) { }