read_int
if (read_int(*this, val, neg)) {\
n = read_int (&format);
int n = read_int (&format);
n = read_int (&format);
int n = read_int (&format);
n = read_int (&format);
int pos = read_int (&tmp);
width = read_int (&f);
int pos = read_int (&tmp);
prec = read_int (&f);