rust/src/test/ui/pattern/usefulness/slice-patterns-exhaustiveness.rs

86 lines
1.7 KiB
Rust

#![feature(slice_patterns)]
fn main() {
let s: &[bool] = &[true; 0];
let s1: &[bool; 1] = &[false; 1];
let s2: &[bool; 2] = &[false; 2];
let s3: &[bool; 3] = &[false; 3];
let s10: &[bool; 10] = &[false; 10];
match s2 {
//~^ ERROR `&[false, _]` not covered
[true, .., true] => {}
}
match s3 {
//~^ ERROR `&[false, ..]` not covered
[true, .., true] => {}
}
match s10 {
//~^ ERROR `&[false, ..]` not covered
[true, .., true] => {}
}
match s1 {
[true, ..] => {}
[.., false] => {}
}
match s2 {
//~^ ERROR `&[false, true]` not covered
[true, ..] => {}
[.., false] => {}
}
match s3 {
//~^ ERROR `&[false, .., true]` not covered
[true, ..] => {}
[.., false] => {}
}
match s {
//~^ ERROR `&[false, .., true]` not covered
[] => {}
[true, ..] => {}
[.., false] => {}
}
match s {
//~^ ERROR `&[_, ..]` not covered
[] => {}
}
match s {
//~^ ERROR `&[_, _, ..]` not covered
[] => {}
[_] => {}
}
match s {
//~^ ERROR `&[false, ..]` not covered
[] => {}
[true, ..] => {}
}
match s {
//~^ ERROR `&[false, _, ..]` not covered
[] => {}
[_] => {}
[true, ..] => {}
}
match s {
//~^ ERROR `&[_, .., false]` not covered
[] => {}
[_] => {}
[.., true] => {}
}
match s {
//~^ ERROR `&[_, _, .., true]` not covered
[] => {}
[_] => {}
[_, _] => {}
[.., false] => {}
}
match s {
//~^ ERROR `&[true, _, .., _]` not covered
[] => {}
[_] => {}
[_, _] => {}
[false, .., false] => {}
}
}