36 lines
638 B
Rust
36 lines
638 B
Rust
//@ run-pass
|
|
enum Abc {
|
|
A(#[allow(dead_code)] u8),
|
|
B(#[allow(dead_code)] i8),
|
|
C,
|
|
D,
|
|
}
|
|
|
|
fn foo(x: Abc) -> i32 {
|
|
match x {
|
|
Abc::C => 3,
|
|
Abc::D => 4,
|
|
Abc::B(_) => 2,
|
|
Abc::A(_) => 1,
|
|
}
|
|
}
|
|
|
|
fn foo2(x: Abc) -> bool {
|
|
match x {
|
|
Abc::D => true,
|
|
_ => false
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
assert_eq!(1, foo(Abc::A(42)));
|
|
assert_eq!(2, foo(Abc::B(-100)));
|
|
assert_eq!(3, foo(Abc::C));
|
|
assert_eq!(4, foo(Abc::D));
|
|
|
|
assert_eq!(false, foo2(Abc::A(1)));
|
|
assert_eq!(false, foo2(Abc::B(2)));
|
|
assert_eq!(false, foo2(Abc::C));
|
|
assert_eq!(true, foo2(Abc::D));
|
|
}
|