blob: 82ee68687ed00b12127aeb4a13ce707f080f1e4f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
// Test that the `non_exhaustive_omitted_patterns` lint is triggered correctly with variants
// marked stable and unstable.
#![feature(non_exhaustive_omitted_patterns_lint)]
// aux-build:unstable.rs
extern crate unstable;
use unstable::{UnstableEnum, OnlyUnstableEnum, UnstableStruct, OnlyUnstableStruct};
fn main() {
// OK: this matches all the stable variants
match UnstableEnum::Stable {
UnstableEnum::Stable => {}
UnstableEnum::Stable2 => {}
#[deny(non_exhaustive_omitted_patterns)]
_ => {}
}
match UnstableEnum::Stable {
UnstableEnum::Stable => {}
#[deny(non_exhaustive_omitted_patterns)]
_ => {}
}
//~^^ some variants are not matched explicitly
// Ok: although this is a bit odd, we don't have anything to report
// since there is no stable variants and the feature is off
#[deny(non_exhaustive_omitted_patterns)]
match OnlyUnstableEnum::new() {
_ => {}
}
// Ok: Same as the above enum (no fields can be matched on)
#[warn(non_exhaustive_omitted_patterns)]
let OnlyUnstableStruct { .. } = OnlyUnstableStruct::new();
#[warn(non_exhaustive_omitted_patterns)]
let UnstableStruct { stable, .. } = UnstableStruct::default();
//~^ some fields are not explicitly listed
// OK: stable field is matched
#[warn(non_exhaustive_omitted_patterns)]
let UnstableStruct { stable, stable2, .. } = UnstableStruct::default();
}
|