Skip to content

proc_macro/bridge: Remove dead code Slice type #86785

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Jul 2, 2021
Merged

proc_macro/bridge: Remove dead code Slice type #86785

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
29 changes: 0 additions & 29 deletions library/proc_macro/src/bridge/buffer.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -5,35 +5,6 @@ use std::mem;
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,
Expand Down