rust/src/test/run-pass/impl-variance.rs

12 lines
238 B
Rust

impl extensions<T> for [const T]/~ {
fn foo() -> uint { vec::len(self) }
}
fn main() {
let v = [const 0]/~;
assert v.foo() == 1u;
let v = [0]/~;
assert v.foo() == 1u;
let v = [mut 0]/~;
assert v.foo() == 1u;
}