member functions of vector?

[DrJones]

Why can't member function of vector be used, when i am using them on vector a class..

for instance

I have this class.

Class Test
{

public:
vector<pair<int,int>> limeJuice;
~Test()
void merge(test &B)
{
      limeJuice.insert(limeJuice.end(),B.limeJuice.begin(),B.limeJuice.end());

};

};

In my main i have a vector <TEST> test_Objects;
when i call test_Objects.insert, or test_Objects.erase, i get the message that there is no member function to call..

[AbstractionAnon]

Line 1: class must not be capitalized.

Line 6: missing ;

Line 7: Test must be capitalized.

In my main i have a vector <TEST> test_Objects;

I assume you mean: vector <Test> test_Objects;
C++ is case sensitive.

When you post a problem, a compilable snippet is appreciated, along with the exact text of the error you're getting. After making the above corrections, this compiles for me:

#include <vector>
using namespace std;

class Test
{

public:
    vector<pair<int,int>> limeJuice;
    ~Test();
    void merge(Test &B)
    {   limeJuice.insert(limeJuice.end(),B.limeJuice.begin(),B.limeJuice.end());

    };

};

int main ()
{   vector <Test> test_Objects;
    Test    a;

    test_Objects.insert (test_Objects.begin(), a);
}

However, I don't know if my main represents what you're trying to do, since you didn't post anything for main.

[DrJones]

it is exactly as you have written it exerts that

int main ()
{   vector <Test> test_Objects;
    Test    a;
int j = 1
int i = 5
 test_Objects.insert(j+1,i+1,test_Objects.end())
}

[AbstractionAnon]

What are i and j? You don't show them.
I'm not a mind reader. You might think your snippet is obvious, but it's not.

[DrJones]

Look again..

[ne555]

http://www.cplusplus.com/reference/vector/vector/insert/
those are the prototypes for `std::vector::insert()'
¿which one do you think you are using in test_Objects.insert(j+1,i+1,test_Objects.end())?

[DrJones]

I hope it is this one
void insert (iterator position, InputIterator first, InputIterator last);

[ne555]

j is an integer
i is an integer
you are doing insert( int, int, iterator ) which does not exist

[DrJones]

but the iterator itself isn't it an integer?... If not it it then possible to make it an iterator in some way?

[shadowCODE]

to get integer from iterator subtract one iterator from anther. Most likely from begin .

[ne555]

> but the iterator itself isn't it an integer?
no. Iterators are used to traverse a container, and for that they have operations like getelement() and advance() ¿how do you expect 42.next() to work? ¿which container would be related to?


> possible to make it an iterator in some way?
yes, there are a lot of way.
¿what are you trying to accomplish?
¿what would be the result of doing test_Objects.insert(j+1,i+1,test_Objects.end())?