1 // unit-test: NormalizeArrayLen
2 // compile-flags: -Zmir-enable-passes=+LowerSliceLenCalls
4 // EMIT_MIR lower_array_len.array_bound.NormalizeArrayLen.diff
5 pub fn array_bound<const N: usize>(index: usize, slice: &[u8; N]) -> u8 {
6 if index < slice.len() {
13 // EMIT_MIR lower_array_len.array_bound_mut.NormalizeArrayLen.diff
14 pub fn array_bound_mut<const N: usize>(index: usize, slice: &mut [u8; N]) -> u8 {
15 if index < slice.len() {
24 // EMIT_MIR lower_array_len.array_len.NormalizeArrayLen.diff
25 pub fn array_len<const N: usize>(arr: &[u8; N]) -> usize {
29 // EMIT_MIR lower_array_len.array_len_by_value.NormalizeArrayLen.diff
30 pub fn array_len_by_value<const N: usize>(arr: [u8; N]) -> usize {
34 // EMIT_MIR lower_array_len.array_len_reborrow.NormalizeArrayLen.diff
35 pub fn array_len_reborrow<const N: usize>(mut arr: [u8; N]) -> usize {
36 let arr: &mut [_] = &mut arr;
41 // EMIT_MIR lower_array_len.array_len_raw.NormalizeArrayLen.diff
42 pub fn array_len_raw<const N: usize>(arr: [u8; N]) -> usize {
44 let arr = std::ptr::addr_of!(*arr);
45 unsafe { &*arr }.len()
49 let _ = array_bound(3, &[0, 1, 2, 3]);
50 let mut tmp = [0, 1, 2, 3, 4];
51 let _ = array_bound_mut(3, &mut [0, 1, 2, 3]);
52 let _ = array_len(&[0]);
53 let _ = array_len_by_value([0, 2]);
54 let _ = array_len_reborrow([0, 2]);
55 let _ = array_len_raw([0, 2]);