Overloading the >> Operator for Your Own Classes

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Input streams use the extraction (>>) operator for the standard types. You can write similar extraction operators for your own types; your success depends on using white space precisely.

Here is an example of an extraction operator for the Date class presented earlier:

istream& operator>> (istream& is, Date& dt)
{
    is>> dt.mo>> dt.da>> dt.yr;
    return is;
}

See also

Input Streams