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//@ edition:2018
#![allow(non_snake_case)]
#![feature(arbitrary_self_types)]
use std::marker::PhantomData;
use std::ops::Deref;
use std::pin::Pin;
struct Struct { }
struct Wrap<T, P>(T, PhantomData<P>);
impl<T, P> Deref for Wrap<T, P> {
type Target = T;
fn deref(&self) -> &T { &self.0 }
}
impl Struct {
// Test using `&self` sugar:
async fn ref_self(&self, f: &u32) -> &u32 {
f
//~^ ERROR lifetime may not live long enough
}
// Test using `&Self` explicitly:
async fn ref_Self(self: &Self, f: &u32) -> &u32 {
f
//~^ ERROR lifetime may not live long enough
}
async fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 {
f
//~^ ERROR lifetime may not live long enough
}
async fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 {
f
//~^ ERROR lifetime may not live long enough
}
async fn box_box_ref_Self(self: Box<Box<&Self>>, f: &u32) -> &u32 {
f
//~^ ERROR lifetime may not live long enough
}
async fn box_pin_ref_Self(self: Box<Pin<&Self>>, f: &u32) -> &u32 {
f
//~^ ERROR lifetime may not live long enough
}
async fn wrap_ref_Self_Self(self: Wrap<&Self, Self>, f: &u8) -> &u8 {
f
//~^ ERROR lifetime may not live long enough
}
}
fn main() { }
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