```
if (GET_VM()->coverage_mode & COVERAGE_TARGET_ONESHOT_LINES) {
    rb_ary_clear(lines);
}
else {
    int i;
    for (i = 0; i < RARRAY_LEN(lines); i++) {
        if (RARRAY_AREF(lines, i) != Qnil)
            RARRAY_ASET(lines, i, INT2FIX(0));
    }
}

```