rust/src/test/compile-fail/mutable-huh-variance-vec1.rs
2012-03-26 18:35:18 -07:00

13 lines
314 B
Rust

fn main() {
// Note: explicit type annot is required here
// because otherwise the inference gets smart
// and assigns a type of [mut [const int]].
let v: [mut [int]] = [mut [0]];
fn f(&&v: [mut [const int]]) {
v[0] = [mut 3]
}
f(v); //! ERROR (values differ in mutability)
}