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
|
// Tests that using fulfillment in the trait solver means that we detect that a
// method is impossible, leading to no ambiguity.
//@ check-pass
//@ revisions: current next
//@ ignore-compare-mode-next-solver (explicit revisions)
//@[next] compile-flags: -Znext-solver
struct W<T, U>(Option<T>, Option<U>);
impl<'a> W<fn(&'a ()), u32> {
fn method(&self) {}
}
trait Leak {}
impl<T: Fn(&())> Leak for T {}
impl<T: Leak> W<T, i32> {
fn method(&self) {}
}
fn test<'a>() {
let x: W<fn(&'a ()), _> = W(None, None);
x.method();
}
fn main() {}
|
