From ad5fc2a313ed09d34304d8700271447431b6cb04 Mon Sep 17 00:00:00 2001 From: Matt Ickstadt Date: Sat, 2 Sep 2017 12:38:25 -0500 Subject: [PATCH] Add test for #35676 Closes #35676 --- src/test/run-pass/issue-35376.rs | 51 ++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 src/test/run-pass/issue-35376.rs diff --git a/src/test/run-pass/issue-35376.rs b/src/test/run-pass/issue-35376.rs new file mode 100644 index 0000000000000..25895cd0753e4 --- /dev/null +++ b/src/test/run-pass/issue-35376.rs @@ -0,0 +1,51 @@ +// Copyright 2016 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 or the MIT license +// , at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +#![feature(specialization)] + +fn main() {} + +pub trait Alpha { } + +pub trait Beta { + type Event; +} + +pub trait Delta { + type Handle; + fn process(&self); +} + +pub struct Parent(A, T); + +impl Delta for Parent +where A: Alpha, + T: Delta, + T::Handle: Beta::Event> { + type Handle = Handle; + default fn process(&self) { + unimplemented!() + } +} + +impl Delta for Parent +where A: Alpha + Alpha, + T: Delta, + T::Handle: Beta::Event> { + fn process(&self) { + unimplemented!() + } +} + +pub struct Handle; + +impl Beta for Handle { + type Event = (); +} \ No newline at end of file