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Test that type alias impl trait happens in a submodule #88172

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Aug 22, 2021
Merged

Test that type alias impl trait happens in a submodule #88172

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23 changes: 23 additions & 0 deletions src/test/ui/type-alias-impl-trait/defining-use-submodule.rs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,23 @@
// check-pass

#![feature(type_alias_impl_trait)]
#![allow(dead_code)]

// test that the type alias impl trait defining use is in a submodule

fn main() {}

type Foo = impl std::fmt::Display;
type Bar = impl std::fmt::Display;

mod foo {
pub fn foo() -> super::Foo {
"foo"
}

pub mod bar {
pub fn bar() -> crate::Bar {
1
}
}
}
10 changes: 0 additions & 10 deletions src/test/ui/type-alias-impl-trait/type-alias-impl-trait.rs
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Expand Up @@ -11,7 +11,6 @@ fn main() {
assert_eq!(bar2().to_string(), "bar2");
let mut x = bar1();
x = bar2();
assert_eq!(boo::boo().to_string(), "boo");
assert_eq!(my_iter(42u8).collect::<Vec<u8>>(), vec![42u8]);
}

Expand All @@ -33,15 +32,6 @@ fn bar2() -> Bar {
"bar2"
}

// definition in submodule
type Boo = impl std::fmt::Display;

mod boo {
pub fn boo() -> super::Boo {
"boo"
}
}

type MyIter<T> = impl Iterator<Item = T>;

fn my_iter<T>(t: T) -> MyIter<T> {
Expand Down