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#![feature(type_alias_impl_trait)]
type Closure = impl Fn() -> u64;
struct Anonymous(Closure);
#[define_opaque(Closure)]
fn bop() {
let y = || -> Closure { || 3 };
Anonymous(|| {
//~^ ERROR mismatched types
3 //~^^ ERROR mismatched types
})
}
fn main() {}
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