22 lines
350 B
Rust
22 lines
350 B
Rust
trait Reverser {
|
|
fn reverse(&self);
|
|
}
|
|
|
|
impl<'self> Reverser for &'self mut [uint] {
|
|
fn reverse(&self) {
|
|
vec::reverse(*self);
|
|
}
|
|
}
|
|
|
|
fn bar(v: &mut [uint]) {
|
|
v.reverse();
|
|
v.reverse();
|
|
v.reverse();
|
|
}
|
|
|
|
pub fn main() {
|
|
let mut the_vec = ~[1, 2, 3, 100];
|
|
bar(the_vec);
|
|
fail_unless!(the_vec == ~[100, 3, 2, 1]);
|
|
}
|