//This file is field.C.
#include "field.h"

istream& operator>>(istream& istr, field& f)
{
	char c;        //uninitialized variable

	if (istr.get(c)) {     //Let f.s remain unchanged if input error.
		f.s.erase();       //Let f.s be the empty string.
		while (c != ':' && c != '\n') {
			f.s += c;
			if (!istr.get(c)) {
				break;
			}
		}
	}

	return istr;
}