rust/tests/ui/variance/variance-object-types.rs

13 lines
244 B
Rust

#![feature(rustc_attrs)]
// For better or worse, associated types are invariant, and hence we
// get an invariant result for `'a`.
#[rustc_variance]
struct Foo<'a> { //~ ERROR [o]
x: Box<dyn Fn(i32) -> &'a i32 + 'static>
}
fn main() {
}