From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- .../ui/specialization/defaultimpl/projection.rs | 42 ++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 src/test/ui/specialization/defaultimpl/projection.rs (limited to 'src/test/ui/specialization/defaultimpl/projection.rs') diff --git a/src/test/ui/specialization/defaultimpl/projection.rs b/src/test/ui/specialization/defaultimpl/projection.rs new file mode 100644 index 000000000..f19c55b04 --- /dev/null +++ b/src/test/ui/specialization/defaultimpl/projection.rs @@ -0,0 +1,42 @@ +// run-pass +#![allow(dead_code)] + +#![feature(specialization)] //~ WARN the feature `specialization` is incomplete + +// Make sure we *can* project non-defaulted associated types +// cf ui/specialization/specialization-default-projection.rs + +// First, do so without any use of specialization + +trait Foo { + type Assoc; +} + +impl Foo for T { + type Assoc = (); +} + +fn generic_foo() -> ::Assoc { + () +} + +// Next, allow for one layer of specialization + +trait Bar { + type Assoc; +} + +default impl Bar for T { + type Assoc = (); +} + +impl Bar for T { + type Assoc = u8; +} + +fn generic_bar_clone() -> ::Assoc { + 0u8 +} + +fn main() { +} -- cgit v1.2.3