| #![feature(no_core, lang_items)] |
| #![no_core] |
| #[lang = "sized"] |
| pub trait Sized {} |
| #[lang = "deref"] |
| pub trait Deref { |
| type Target: ?Sized; |
| fn deref(&self) -> &Self::Target; |
| } |
| pub struct VaList { |
| pub inner: i32, |
| } |
| impl Deref for VaList { |
| type Target = i32; |
| fn deref(&self) -> &i32 { |
| &self.inner |
| } |
| } |
| pub struct Pin<P> { |
| pub pointer: P, |
| } |
| impl<P: Deref> Pin<P> { |
| pub const unsafe fn new_unchecked(pointer: P) -> Pin<P> { |
| Pin { pointer } |
| } |
| pub fn as_ref(&self) -> Pin<&P::Target> { |
| unsafe { Pin::new_unchecked(&*self.pointer) } |
| } |
| } |
| impl<T: ?Sized> Deref for &T { |
| type Target = T; |
| fn deref(&self) -> &T { |
| *self |
| } |
| } |
