//@ edition:2018 #![feature(arbitrary_self_types)] #![allow(non_snake_case)] use std::marker::PhantomData; use std::ops::Deref; use std::pin::Pin; struct Struct { } struct Wrap(T, PhantomData

); impl Deref for Wrap { type Target = T; fn deref(&self) -> &T { &self.0 } } impl Struct { // Test using multiple `&Self`: async fn wrap_ref_Self_ref_Self(self: Wrap<&Self, &Self>, f: &u8) -> &u8 { //~^ ERROR missing lifetime specifier f } async fn box_wrap_ref_Self_ref_Self(self: Box>, f: &u32) -> &u32 { //~^ ERROR missing lifetime specifier f } async fn pin_wrap_ref_Self_ref_Self(self: Pin>, f: &u32) -> &u32 { //~^ ERROR missing lifetime specifier f } async fn box_box_wrap_ref_Self_ref_Self(self: Box>>, f: &u32) -> &u32 { //~^ ERROR missing lifetime specifier f } async fn box_pin_wrap_ref_Self_ref_Self(self: Box>>, f: &u32) -> &u32 { //~^ ERROR missing lifetime specifier f } } fn main() { }