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
37
38
39
40
41
42
43
44
45
|
// run-pass
#![allow(dead_code)]
#![allow(unused_variables)]
// Test that when there is a conditional (but blanket) impl and a
// where clause, we don't get confused in trait resolution.
//
// Issue #18453.
// pretty-expanded FIXME #23616
use std::rc::Rc;
pub trait Foo<M> {
fn foo(&mut self, msg: M);
}
pub trait Bar<M> {
fn dummy(&self) -> M;
}
impl<M, F: Bar<M>> Foo<M> for F {
fn foo(&mut self, msg: M) {
}
}
pub struct Both<M, F> {
inner: Rc<(M, F)>,
}
impl<M, F: Foo<M>> Clone for Both<M, F> {
fn clone(&self) -> Both<M, F> {
Both { inner: self.inner.clone() }
}
}
fn repro1<M, F: Foo<M>>(_both: Both<M, F>) {
}
fn repro2<M, F: Foo<M>>(msg: M, foo: F) {
let both = Both { inner: Rc::new((msg, foo)) };
repro1(both.clone()); // <--- This clone causes problem
}
pub fn main() {
}
|
