// compile-flags: -Zsave-analysis #![feature(type_alias_impl_trait)] type Closure = impl FnOnce(); fn c() -> Closure { //~^ ERROR: expected a `FnOnce<()>` closure, found `()` || -> Closure { || () } //~^ ERROR: mismatched types //~| ERROR: mismatched types //~| ERROR: expected a `FnOnce<()>` closure, found `()` } fn main() {}