//@ pretty-compare-only
//@ pretty-mode:hir
//@ pp-exact:pin-ergonomics-hir.pp

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

use std::pin::Pin;

struct Foo;

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

    fn baz_const(&self) { }

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

    fn baz_const_lt(&self) { }
}

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

fn foo_const(_: Pin<&'_ Foo>) { }
fn foo_const_lt(_: Pin<&'_ 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 patterns<'a>(
    &pin mut x: Pin<&mut i32>,
    &pin const y: Pin<&'a i32>,
    ref pin mut z: i32,
    ref pin const w: i32,
) {}

fn main() { }