rust/tests/ui/async-await/pin-reborrow-self.rs
Eric Holk 7b7992fbcf
Begin experimental support for pin reborrowing
This commit adds basic support for reborrowing `Pin` types in argument
position. At the moment it only supports reborrowing `Pin<&mut T>` as
`Pin<&mut T>` by inserting a call to `Pin::as_mut()`, and only in
argument position (not as the receiver in a method call).
2024-09-18 12:36:31 -07:00

25 lines
442 B
Rust

//@ check-pass
//@ignore-test
// Currently ignored due to self reborrowing not being implemented for Pin
#![feature(pin_ergonomics)]
#![allow(incomplete_features)]
use std::pin::Pin;
struct Foo;
impl Foo {
fn foo(self: Pin<&mut Self>) {
}
}
fn bar(x: Pin<&mut Foo>) {
x.foo();
x.foo(); // for this to work we need to automatically reborrow,
// as if the user had written `x.as_mut().foo()`.
}
fn main() {}