16 lines
No EOL
261 B
Rust
16 lines
No EOL
261 B
Rust
trait Pushable<T> {
|
|
fn push_val(&mut self, +t: T);
|
|
}
|
|
|
|
impl<T> ~[T]: Pushable<T> {
|
|
fn push_val(&mut self, +t: T) {
|
|
vec::push(*self, t);
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
let mut v = ~[1];
|
|
v.push_val(2);
|
|
v.push_val(3);
|
|
assert v == ~[1, 2, 3];
|
|
} |