| //@ run-rustfix | |
| //@ edition:2018 | |
| #![feature(arbitrary_self_types)] | |
| #![allow(non_snake_case, dead_code)] | |
| 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: | |
| fn ref_self<'a>(&self, f: &'a u32) -> &'a u32 { | |
| f | |
| //~^ ERROR lifetime may not live long enough | |
| } | |
| // Test using `&Self` explicitly: | |
| fn ref_Self<'a>(self: &Self, f: &'a u32) -> &'a u32 { | |
| f | |
| //~^ ERROR lifetime may not live long enough | |
| } | |
| fn box_ref_Self<'a>(self: Box<&Self>, f: &'a u32) -> &'a u32 { | |
| f | |
| //~^ ERROR lifetime may not live long enough | |
| } | |
| fn pin_ref_Self<'a>(self: Pin<&Self>, f: &'a u32) -> &'a u32 { | |
| f | |
| //~^ ERROR lifetime may not live long enough | |
| } | |
| fn box_box_ref_Self<'a>(self: Box<Box<&Self>>, f: &'a u32) -> &'a u32 { | |
| f | |
| //~^ ERROR lifetime may not live long enough | |
| } | |
| fn box_pin_ref_Self<'a>(self: Box<Pin<&Self>>, f: &'a u32) -> &'a u32 { | |
| f | |
| //~^ ERROR lifetime may not live long enough | |
| } | |
| fn wrap_ref_Self_Self<'a>(self: Wrap<&Self, Self>, f: &'a u8) -> &'a u8 { | |
| f | |
| //~^ ERROR lifetime may not live long enough | |
| } | |
| fn ref_box_Self<'a>(self: &Box<Self>, f: &'a u32) -> &'a u32 { | |
| f | |
| //~^ ERROR lifetime may not live long enough | |
| } | |
| } | |
| fn main() {} |