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proc_macro/bridge: Remove dead code Slice type

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See https://github.com/rust-lang/rust/pull/85390#discussion_r662464868
This commit is contained in:
Jade 2021-07-01 10:20:57 -07:00
parent 64de4979e8
commit 0b3fedc8df
1 changed files with 0 additions and 29 deletions
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29
library/proc_macro/src/bridge/buffer.rs
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@ -5,35 +5,6 @@
use std::ops::{Deref, DerefMut};
use std::slice;
#[repr(C)]
struct Slice<'a, T> {
data: &'a [T; 0],
len: usize,
}
unsafe impl<'a, T: Sync> Sync for Slice<'a, T> {}
unsafe impl<'a, T: Sync> Send for Slice<'a, T> {}
impl<T> Copy for Slice<'a, T> {}
impl<T> Clone for Slice<'a, T> {
fn clone(&self) -> Self {
*self
}
}
impl<T> From<&'a [T]> for Slice<'a, T> {
fn from(xs: &'a [T]) -> Self {
Slice { data: unsafe { &*(xs.as_ptr() as *const [T; 0]) }, len: xs.len() }
}
}
impl<T> Deref for Slice<'a, T> {
type Target = [T];
fn deref(&self) -> &[T] {
unsafe { slice::from_raw_parts(self.data.as_ptr(), self.len) }
}
}
#[repr(C)]
pub struct Buffer<T: Copy> {
data: *mut T,