Hi
how I have complete the following code ?
I could not write function member.
Code:
template<class Container>
Back_insert_iterator3<Container> backinserter3(Container &r)
{
return Back_insert_iterator3<Container>(r);
}
template<class Ch>
class Basic_Substring{
public:
typedef typename basic_string<Ch>::size_type size_type;
Basic_Substring (basic_string<Ch> &s, size_type i, size_type n)İ // s[i]..s[i+n– 1]
Basic_Substring (basic_string<Ch> &s const (basic_string<Ch> &s2):ps(s), n(s2.length()) // s2 in s
{
pos = s.find(s2);
}
Basic_Substring (basic_string<Ch> &s, const Ch *p); // *p in s
Basic_Substring &operator =(const basic_string<Ch> &s) // write through to *ps
{
ps->replace(pos, n, s);
return *this;
}
Basic_Substring &operator =(const Basic_Substring<Ch> &s);
Basic_Substring &operator =(const Ch *);
Basic_Substring &operator =(Ch);
operator basic_string<Ch>()const; // read from *ps
{
return basic_string<Ch>(*ps, pos, n);
}
operator Ch*()const;
private:
basic_string<Ch> *ps;
size_type pos;
size_type n;
};