rust/tests/ui/binding/pat-tuple-1.rs
2023-01-11 09:32:08 +00:00

94 lines
1.7 KiB
Rust

// run-pass
fn tuple() {
let x = (1, 2, 3);
match x {
(a, b, ..) => {
assert_eq!(a, 1);
assert_eq!(b, 2);
}
}
match x {
(.., b, c) => {
assert_eq!(b, 2);
assert_eq!(c, 3);
}
}
match x {
(a, .., c) => {
assert_eq!(a, 1);
assert_eq!(c, 3);
}
}
match x {
(a, b, c) => {
assert_eq!(a, 1);
assert_eq!(b, 2);
assert_eq!(c, 3);
}
}
match x {
(a, b, c, ..) => {
assert_eq!(a, 1);
assert_eq!(b, 2);
assert_eq!(c, 3);
}
}
match x {
(.., a, b, c) => {
assert_eq!(a, 1);
assert_eq!(b, 2);
assert_eq!(c, 3);
}
}
}
fn tuple_struct() {
struct S(u8, u8, u8);
let x = S(1, 2, 3);
match x {
S(a, b, ..) => {
assert_eq!(a, 1);
assert_eq!(b, 2);
}
}
match x {
S(.., b, c) => {
assert_eq!(b, 2);
assert_eq!(c, 3);
}
}
match x {
S(a, .., c) => {
assert_eq!(a, 1);
assert_eq!(c, 3);
}
}
match x {
S(a, b, c) => {
assert_eq!(a, 1);
assert_eq!(b, 2);
assert_eq!(c, 3);
}
}
match x {
S(a, b, c, ..) => {
assert_eq!(a, 1);
assert_eq!(b, 2);
assert_eq!(c, 3);
}
}
match x {
S(.., a, b, c) => {
assert_eq!(a, 1);
assert_eq!(b, 2);
assert_eq!(c, 3);
}
}
}
fn main() {
tuple();
tuple_struct();
}