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#![feature(type_alias_impl_trait)]
// check-pass
type Foo = impl std::fmt::Debug;
fn foo(b: bool) -> Foo {
if b {
return vec![];
}
let x: Vec<i32> = foo(false);
std::iter::empty().collect()
}
fn bar(b: bool) -> impl std::fmt::Debug {
if b {
return vec![]
}
let x: Vec<i32> = bar(false);
std::iter::empty().collect()
}
fn main() {}
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