rust/src/test/run-pass/mutable-huh-variance-vec1.rs

14 lines
271 B
Rust

// error-pattern: mismatched types
fn main() {
let v = ~[~[0]];
// This is ok because the outer vec is covariant with respect
// to the inner vec. If the outer vec was mut then we
// couldn't do this.
fn f(&&v: ~[~[const int]]) {
}
f(v);
}