35 lines
584 B
Rust
35 lines
584 B
Rust
|
//@ revisions: current next
|
||
|
//@[next] compile-flags: -Znext-solver
|
||
|
|
||
|
trait MyDebug {
|
||
|
fn my_debug(&self);
|
||
|
}
|
||
|
|
||
|
impl<T> MyDebug for &T
|
||
|
where
|
||
|
T: std::fmt::Debug,
|
||
|
{
|
||
|
fn my_debug(&self) {}
|
||
|
}
|
||
|
|
||
|
fn my_foo() -> impl std::fmt::Debug {
|
||
|
if false {
|
||
|
let x = my_foo();
|
||
|
//[next]~^ type annotations needed
|
||
|
x.my_debug();
|
||
|
//[current]~^ no method named `my_debug` found
|
||
|
}
|
||
|
()
|
||
|
}
|
||
|
|
||
|
fn my_bar() -> impl std::fmt::Debug {
|
||
|
if false {
|
||
|
let x = &my_bar();
|
||
|
//[next]~^ type annotations needed
|
||
|
x.my_debug();
|
||
|
}
|
||
|
()
|
||
|
}
|
||
|
|
||
|
fn main() {}
|