| 1 | pub(crate) const fn max_usize(l: usize, r: usize) -> usize { |
| 2 | if l > r { |
| 3 | l |
| 4 | } else { |
| 5 | r |
| 6 | } |
| 7 | } |
| 8 | pub(crate) const fn saturating_add(l: usize, r: usize) -> usize { |
| 9 | let (sum: usize, overflowed: bool) = l.overflowing_add(r); |
| 10 | if overflowed { |
| 11 | usize::MAX |
| 12 | } else { |
| 13 | sum |
| 14 | } |
| 15 | } |
| 16 | |
| 17 | pub(crate) const fn is_char_boundary_no_len_check(str: &[u8], index: usize) -> bool { |
| 18 | index == str.len() || (str[index] as i8) >= -0x40 |
| 19 | } |
| 20 | |
| 21 | #[repr (C)] |
| 22 | pub union PtrToRef<'a, T: ?Sized> { |
| 23 | pub ptr: *const T, |
| 24 | pub reff: &'a T, |
| 25 | } |
| 26 | |