1 error: `0 as *const _` detected. Consider using `ptr::null()`
4 6 | let x = 0 as *const usize;
7 = note: `-D zero-ptr` implied by `-D warnings`
9 error: `0 as *mut _` detected. Consider using `ptr::null_mut()`
12 7 | let y = 0 as *mut f64;
15 = note: `-D zero-ptr` implied by `-D warnings`
17 error: aborting due to previous error(s)
20 To learn more, run the command again with --verbose.