Question

I am reading in data to a struct array. the data is separated by possible blank lines which i must ignore. my code is not working im wondering why

struct Location
{
string state;
string city;
int zipcode;
}

and heres the reading in im getting trouble with.

while (!fin.eof() && size < 50)
{
getline (fin, location[size].state);
getline (fin, location[size].city);
fin >> location[size].zipcode;

if (location[size].empty()) //to ignore blank lines but its not working?
continue;
size++;
    }

any ideas? could it be the compiler?

Answer 1

It looks like you are trying to check for an empty string but are unintentionally trying to call empty() on a Location.

Did you mean

if (location[size].state.empty() && location[size].city.empty())
    continue;

Edit:
If you would like for your code example to work as is and you are able to modify struct Loaction you could do the following.

struct Location
{
    std::string state;
    std::string city;
    int zipcode; //who cares about zip+4

    Location():zipcode(0){};
    bool empty()
    {
        return state.empty() && city.empty() && !zipcode;
    }
};