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