1 fn nop(_s: &[& i32]) {}
2 fn nop_subslice(_s: &[i32]) {}
4 fn const_index_err(s: &mut [i32]) {
5 if let [ref first, ref second, ..] = *s {
6 if let [_, ref mut second2, ref mut third, ..] = *s { //~ERROR
7 nop(&[first, second, second2, third]);
12 fn const_index_from_end_err(s: &mut [i32]) {
13 if let [.., ref fourth, ref third, _, ref first] = *s {
14 if let [.., ref mut third2, _, _] = *s { //~ERROR
15 nop(&[first, third, third2, fourth]);
20 fn const_index_mixed(s: &mut [i32]) {
21 if let [.., _, ref from_end4, ref from_end3, _, ref from_end1] = *s {
22 if let [_, ref mut from_begin1, ..] = *s { //~ERROR
23 nop(&[from_begin1, from_end1, from_end3, from_end4]);
25 if let [_, _, ref mut from_begin2, ..] = *s { //~ERROR
26 nop(&[from_begin2, from_end1, from_end3, from_end4]);
28 if let [_, _, _, ref mut from_begin3, ..] = *s { //~ERROR
29 nop(&[from_begin3, from_end1, from_end3, from_end4]);
32 if let [ref from_begin0, ref from_begin1, _, ref from_begin3, _, ..] = *s {
33 if let [.., ref mut from_end2, _] = *s { //~ERROR
34 nop(&[from_begin0, from_begin1, from_begin3, from_end2]);
36 if let [.., ref mut from_end3, _, _] = *s { //~ERROR
37 nop(&[from_begin0, from_begin1, from_begin3, from_end3]);
39 if let [.., ref mut from_end4, _, _, _] = *s { //~ERROR
40 nop(&[from_begin0, from_begin1, from_begin3, from_end4]);
45 fn const_index_and_subslice_err(s: &mut [i32]) {
46 if let [ref first, ref second, ..] = *s {
47 if let [_, ref mut tail @ ..] = *s { //~ERROR
48 nop(&[first, second]);
54 fn const_index_and_subslice_from_end_err(s: &mut [i32]) {
55 if let [.., ref second, ref first] = *s {
56 if let [ref mut tail @ .., _] = *s { //~ERROR
57 nop(&[first, second]);
63 fn subslices(s: &mut [i32]) {
64 if let [_, _, _, ref s1 @ ..] = *s {
65 if let [ref mut s2 @ .., _, _, _] = *s { //~ERROR
73 let mut v = [1,2,3,4];
74 const_index_err(&mut v);
75 const_index_from_end_err(&mut v);
76 const_index_and_subslice_err(&mut v);
77 const_index_and_subslice_from_end_err(&mut v);