tests/pretty/pin-ergonomics.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
37

//@ pp-exact

#![feature(pin_ergonomics)]
#![allow(dead_code, incomplete_features)]

use std::pin::Pin;

struct Foo;

impl Foo {
    fn baz(&pin mut self) {}

    fn baz_const(&pin const self) {}

    fn baz_lt<'a>(&'a pin mut self) {}

    fn baz_const_lt(&'_ pin const self) {}
}

fn foo(_: &pin mut Foo) {}
fn foo_lt<'a>(_: &'a pin mut Foo) {}

fn foo_const(_: &pin const Foo) {}
fn foo_const_lt(_: &'_ pin const Foo) {}

fn bar() {
    let mut x: Pin<&mut _> = &pin mut Foo;
    foo(x.as_mut());
    foo(x.as_mut());
    foo_const(x);

    let x: Pin<&_> = &pin const Foo;
    foo_const(x);
    foo_const(x);
}

fn main() {}