mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-11 16:15:03 +00:00
90 lines
2.3 KiB
Rust
90 lines
2.3 KiB
Rust
struct Foo {
|
|
first: bool,
|
|
second: Option<[usize; 4]>
|
|
}
|
|
|
|
fn struct_with_a_nested_enum_and_vector() {
|
|
match (Foo { first: true, second: None }) {
|
|
//~^ ERROR non-exhaustive patterns: `Foo { first: false, second: Some([_, _, _, _]) }` not covered
|
|
Foo { first: true, second: None } => (),
|
|
Foo { first: true, second: Some(_) } => (),
|
|
Foo { first: false, second: None } => (),
|
|
Foo { first: false, second: Some([1, 2, 3, 4]) } => ()
|
|
}
|
|
}
|
|
|
|
enum Color {
|
|
Red,
|
|
Green,
|
|
CustomRGBA { a: bool, r: u8, g: u8, b: u8 }
|
|
}
|
|
|
|
fn enum_with_single_missing_variant() {
|
|
match Color::Red {
|
|
//~^ ERROR non-exhaustive patterns: `Color::Red` not covered
|
|
Color::CustomRGBA { .. } => (),
|
|
Color::Green => ()
|
|
}
|
|
}
|
|
|
|
enum Direction {
|
|
North, East, South, West
|
|
}
|
|
|
|
fn enum_with_multiple_missing_variants() {
|
|
match Direction::North {
|
|
//~^ ERROR non-exhaustive patterns: `Direction::East`, `Direction::South` and `Direction::West` not covered
|
|
Direction::North => ()
|
|
}
|
|
}
|
|
|
|
enum ExcessiveEnum {
|
|
First, Second, Third, Fourth, Fifth, Sixth, Seventh, Eighth, Ninth, Tenth, Eleventh, Twelfth
|
|
}
|
|
|
|
fn enum_with_excessive_missing_variants() {
|
|
match ExcessiveEnum::First {
|
|
//~^ ERROR `ExcessiveEnum::Second`, `ExcessiveEnum::Third`, `ExcessiveEnum::Fourth` and 8 more not covered
|
|
|
|
ExcessiveEnum::First => ()
|
|
}
|
|
}
|
|
|
|
fn enum_struct_variant() {
|
|
match Color::Red {
|
|
//~^ ERROR non-exhaustive patterns: `Color::CustomRGBA { a: true, .. }` not covered
|
|
Color::Red => (),
|
|
Color::Green => (),
|
|
Color::CustomRGBA { a: false, r: _, g: _, b: 0 } => (),
|
|
Color::CustomRGBA { a: false, r: _, g: _, b: _ } => ()
|
|
}
|
|
}
|
|
|
|
enum Enum {
|
|
First,
|
|
Second(bool)
|
|
}
|
|
|
|
fn vectors_with_nested_enums() {
|
|
let x: &'static [Enum] = &[Enum::First, Enum::Second(false)];
|
|
match *x {
|
|
//~^ ERROR non-exhaustive patterns: `[Enum::Second(true), Enum::Second(false)]` not covered
|
|
[] => (),
|
|
[_] => (),
|
|
[Enum::First, _] => (),
|
|
[Enum::Second(true), Enum::First] => (),
|
|
[Enum::Second(true), Enum::Second(true)] => (),
|
|
[Enum::Second(false), _] => (),
|
|
[_, _, ref tail @ .., _] => ()
|
|
}
|
|
}
|
|
|
|
fn missing_nil() {
|
|
match ((), false) {
|
|
//~^ ERROR non-exhaustive patterns: `((), false)` not covered
|
|
((), true) => ()
|
|
}
|
|
}
|
|
|
|
fn main() {}
|