mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-23 23:34:48 +00:00
31 lines
688 B
Rust
31 lines
688 B
Rust
// run-pass
|
|
|
|
use std::ops::Add;
|
|
|
|
fn foo<T: Add<Output=T> + Clone>([x, y, z]: [T; 3]) -> (T, T, T) {
|
|
(x.clone(), x.clone() + y.clone(), x + y + z)
|
|
}
|
|
fn bar(a: &'static str, b: &'static str) -> [&'static str; 4] {
|
|
[a, b, b, a]
|
|
}
|
|
|
|
fn main() {
|
|
assert_eq!(foo([1, 2, 3]), (1, 3, 6));
|
|
|
|
let [a, b, c, d] = bar("foo", "bar");
|
|
assert_eq!(a, "foo");
|
|
assert_eq!(b, "bar");
|
|
assert_eq!(c, "bar");
|
|
assert_eq!(d, "foo");
|
|
|
|
let [a, _, _, d] = bar("baz", "foo");
|
|
assert_eq!(a, "baz");
|
|
assert_eq!(d, "baz");
|
|
|
|
let out = bar("baz", "foo");
|
|
let [a, xs @ .., d] = out;
|
|
assert_eq!(a, "baz");
|
|
assert_eq!(xs, ["foo", "foo"]);
|
|
assert_eq!(d, "baz");
|
|
}
|