Re: vectors and template types

From:

"Jim Langston" <tazmaster@rocketmail.com>

Newsgroups:

comp.lang.c++

Date:

Wed, 26 Mar 2008 00:19:57 -0700

Message-ID:

<AOmGj.77$W83.68@newsfe02.lga>

aryan wrote:

I need to iterate thru a vector which holds an unknown type. I am
using templates and it looks like this after details are removed.

template <class T>
class set

Bad naming choice. There is already a std::set template in the STL. Watch
out for name collision. using namespace std; and having anything #include
<set> with cause lots of problems. You might want to pick another name.

{
   vector<T> set_v;
   public:
   void insert(const T&);
};

template <class T>
void set<T>::insert(const T &t)
{
   vector<T>::iterator itr; //This line does not
compile. error: expected `;' before "itr"
   //......
   //......
};

This compiles for me:

#include <vector>

using std::vector;

template <class T>
class set
{
    vector<T> set_v;
    public:
    void insert(const T&);
};

template <class T>
void set<T>::insert(const T &t)
{
    vector<T>::iterator itr; //This line does not compile. error: expected
`;' before "itr"

    //......
    //......
};

int main()
{
    set<int> Data;

    Data.insert( 10 );
}

so it's difficult to say what your problem is. Does this code compile for
you?

Again, though, there is already a std::set which is most likely already
doing what you are attempting to do here.

--
Jim Langston
tazmaster@rocketmail.com