1 // Copyright 2017 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
16 pub struct RcSlice<T> {
23 pub fn new(vec: Vec<T>) -> Self {
26 len: vec.len() as u32,
27 data: Rc::new(vec.into_boxed_slice()),
32 impl<T> Deref for RcSlice<T> {
34 fn deref(&self) -> &[T] {
35 &self.data[self.offset as usize .. (self.offset + self.len) as usize]
39 impl<T: fmt::Debug> fmt::Debug for RcSlice<T> {
40 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
41 fmt::Debug::fmt(self.deref(), f)