1 fn nop(_s: &[& i32]) {}
2 fn nop_subslice(_s: &[i32]) {}
4 fn const_index_err(s: &mut [i32; 4]) {
5 let [ref first, ref second, ..] = *s;
6 let [_, ref mut second2, ref mut third, ..] = *s; //~ERROR
7 nop(&[first, second, second2, third]);
10 fn const_index_from_end_err(s: &mut [i32; 4]) {
11 let [.., ref fourth, ref third, _, ref first] = *s;
12 let [.., ref mut third2, _, _] = *s; //~ERROR
13 nop(&[first, third, third2, fourth]);
16 fn const_index_mixed(s: &mut [i32; 6]) {
17 let [.., _, ref from_end4, ref from_end3, _, ref from_end1] = *s;
19 let [_, _, ref mut from_begin2, ..] = *s; //~ERROR
20 nop(&[from_begin2, from_end1, from_end3, from_end4]);
21 let [_, _, _, ref mut from_begin3, ..] = *s; //~ERROR
22 nop(&[from_begin3, from_end1, from_end3, from_end4]);
24 let [ref from_begin0, ref from_begin1, _, ref from_begin3, _, ..] = *s;
26 let [.., ref mut from_end3, _, _] = *s; //~ERROR
27 nop(&[from_begin0, from_begin1, from_begin3, from_end3]);
30 fn const_index_and_subslice_err(s: &mut [i32; 4]) {
31 let [ref first, ref second, ..] = *s;
32 let [_, ref mut tail @ ..] = *s; //~ERROR
33 nop(&[first, second]);
37 fn const_index_and_subslice_from_end_err(s: &mut [i32; 4]) {
38 let [.., ref second, ref first] = *s;
39 let [ref mut tail @ .., _] = *s; //~ERROR
40 nop(&[first, second]);
44 fn subslices_overlap(s: &mut [i32; 4]) {
45 let [_, ref s1 @ ..] = *s;
46 let [ref mut s2 @ .., _, _] = *s; //~ERROR
52 let mut v = [1,2,3,4];
53 const_index_err(&mut v);
54 const_index_from_end_err(&mut v);
55 const_index_and_subslice_err(&mut v);
56 const_index_and_subslice_from_end_err(&mut v);
57 subslices_overlap(&mut v);