Declaring a variable in is stream?

[t009]

My question is at line 22-26

I created an is stream and want char c1, c2, c3; to be inputted by the user... what did I miss?

 #include <iostream>
#include "std_lib_facilities.h"

using namespace std;

struct Point{
 int x;
 int y;

Point() :x(0), y(0) { }
Point(int xx, int yy) :x(xx), y(yy) { }

};

ostream& operator<<(ostream& os,Point& p)
{
   os << "(" << p.x << "," << p.y << ")"<<endl;
   return os;
}


istream& operator>>(istream& is, Point& p)
{
   int x;
   int y
   char c1, c2,c3;

    is >> c1 >> x >> c2 >> y >>c3;
    for( c1!= '('|| c2!=','|| c3!= ')')
        {is.clear(ios_base::failbit);
        return is;}
    p =Point(x,y);
    return is;

}


void printv(const vector<Point>& points)
{
    for (int i=0;i<points.size();++i)
    {
        cout<< points[i]<<endl;
    }
}

int main()
try{
    vector<Point>points;
    cout<<"Enter 7 coordinates (x,y) /n";
    for(int i=0;i <7; ++i)
    {
        Point p;
        cin>>p;
        points.push_back(p);
    };

    printv(points);
}

[lastchance]

Semicolon at the end of line 25.

Line 29: if, not for

Remove the 'try' on line 47.

Rather than the non-standard #include "std_lib_facilities.h" it would make it easier for others to help you if you used the standard headers: in this case #include <vector>

I also had to make line 15
ostream& operator<<(ostream& os, const Point& p)
but I'm not sure why.



On a further note ...
The more natural thing, if asking for interactive input, is just to input two numbers, not require the user to punctuate them with brackets and commas.

[t009]

I was trying to practice this exercise form a learn c++ book by stroustrup. That is why I am trying to use I(o)stream.

I'll just skip the chapter if its too complicated. No point in sturggling over this.

[lastchance]

Not sure what you are saying, @t009. There's nothing much wrong with your use of streamed input/output per se. If you still have compile-time or run-time errors after addressing those in my post, please state exactly what they are (and show the code that elicits them).

[t009]

Yeah it works great thank you. I thought it was not working but I had something interfere with compiler and give me error.

I read that it was good practice to skip over things and come back to them later.