| // { dg-additional-options "-w" } |
| #![feature(no_core)] |
| #![no_core] |
| |
| #![feature(intrinsics)] |
| |
| #![feature(lang_items)] |
| #[lang = "sized"] |
| pub trait Sized {} |
| |
| mod mem { |
| extern "rust-intrinsic" { |
| fn size_of<T>() -> usize; |
| fn transmute<U, V>(_: U) -> V; |
| } |
| } |
| |
| impl u16 { |
| fn to_ne_bytes(self) -> [u8; mem::size_of::<Self>()] { |
| unsafe { mem::transmute(self) } |
| } |
| } |
| |
| pub trait Hasher { |
| fn finish(&self) -> u64; |
| |
| fn write(&mut self, bytes: &[u8]); |
| |
| fn write_u8(&mut self, i: u8) { |
| self.write(&[i]) |
| } |
| |
| fn write_i8(&mut self, i: i8) { |
| self.write_u8(i as u8) |
| } |
| |
| fn write_u16(&mut self, i: u16) { |
| self.write(&i.to_ne_bytes()) |
| } |
| |
| fn write_i16(&mut self, i: i16) { |
| self.write_u16(i as u16) |
| } |
| } |
| |
| pub struct SipHasher; |
| |
| impl Hasher for SipHasher { |
| #[inline] |
| fn write(&mut self, msg: &[u8]) {} |
| |
| #[inline] |
| fn finish(&self) -> u64 { |
| 0 |
| } |
| } |
