tests/ui/type-alias-impl-trait/issue-63279.rs


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#![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() {}