From 4653bbfaee990326a95d3dc24e60cf6827aca567 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez <guillaume.gomez@huawei.com> Date: Mon, 16 Jan 2023 15:19:18 +0100 Subject: [PATCH] Add ui test for projection used as union field type --- tests/ui/union/projection-as-union-type.rs | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 tests/ui/union/projection-as-union-type.rs diff --git a/tests/ui/union/projection-as-union-type.rs b/tests/ui/union/projection-as-union-type.rs new file mode 100644 index 00000000000..143434c96f8 --- /dev/null +++ b/tests/ui/union/projection-as-union-type.rs @@ -0,0 +1,19 @@ +// Ensures that we can use projections as union field's type. +// check-pass + +#![crate_type = "lib"] + +pub trait Identity { + type Identity; +} + +impl<T> Identity for T { + type Identity = Self; +} + +pub type Foo = u8; + +pub union Bar { + pub a: <Foo as Identity>::Identity, + pub b: u8, +}