rust/tests/ui/iterators/skip-count-overflow.rs

//@ run-pass
//@ only-32bit too impatient for 2⁶⁴ items
//@ compile-flags: -C overflow-checks -C opt-level=3

fn main() {
    let i = (0..usize::MAX).chain(0..10).skip(usize::MAX);
    assert_eq!(i.count(), 10);
}
Avoid overflow in `std::iter::Skip::count` The call to `count` on the inner iterator can overflow even if `Skip` itself would return less that `usize::max_value()` items. 2020-01-22 14:28:28 -06:00			`//@ run-pass`
			`//@ only-32bit too impatient for 2⁶⁴ items`
			`//@ compile-flags: -C overflow-checks -C opt-level=3`

			`fn main() {`
Migrate to numeric associated consts 2020-06-02 02:59:11 -05:00			`let i = (0..usize::MAX).chain(0..10).skip(usize::MAX);`
Avoid overflow in `std::iter::Skip::count` The call to `count` on the inner iterator can overflow even if `Skip` itself would return less that `usize::max_value()` items. 2020-01-22 14:28:28 -06:00			`assert_eq!(i.count(), 10);`
			`}`