-
Notifications
You must be signed in to change notification settings - Fork 12.1k
/
issue-43355.rs
36 lines (29 loc) · 980 Bytes
/
issue-43355.rs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
// Copyright 2017 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 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// Check that the code for issue #43355 can run without an ICE, please remove
// this test when it becomes an hard error.
pub trait Trait1<X> {
type Output;
}
pub trait Trait2<X> {}
impl<X, T> Trait1<X> for T where T: Trait2<X> {
type Output = ();
}
impl<X> Trait1<Box<X>> for A {
type Output = i32;
}
pub struct A;
fn f<X, T: Trait1<Box<X>>>() {
println!("k: {}", ::std::mem::size_of::<<T as Trait1<Box<X>>>::Output>());
}
pub fn g<X, T: Trait2<Box<X>>>() {
f::<X, T>();
}
fn main() {}