xd_slice/
lib.rs

1#![no_std]
2
3use core::fmt::{self, Write};
4use core::mem;
5
6pub struct Slice<T>([T]);
7
8impl<'a, T> From<&'a [T]> for &'a Slice<T> {
9    #[inline]
10    fn from(xs: &'a [T]) -> &'a Slice<T> { unsafe { mem::transmute(xs) } }
11}
12
13impl<'a, T> From<&'a mut [T]> for &'a mut Slice<T> {
14    #[inline]
15    fn from(xs: &'a mut [T]) -> &'a mut Slice<T> { unsafe { mem::transmute(xs) } }
16}
17
18impl<T: fmt::LowerHex> fmt::LowerHex for Slice<T> {
19    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
20        f.write_char('[')?;
21        for (k, x) in self.0.iter().enumerate() {
22            if k > 0 { f.write_str(", ")?; }
23            fmt::LowerHex::fmt(x, f)?;
24        }
25        f.write_char(']')?;
26        Ok(())
27    }
28}
29
30impl<T: fmt::UpperHex> fmt::UpperHex for Slice<T> {
31    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
32        f.write_char('[')?;
33        for (k, x) in self.0.iter().enumerate() {
34            if k > 0 { f.write_str(", ")?; }
35            fmt::UpperHex::fmt(x, f)?;
36        }
37        f.write_char(']')?;
38        Ok(())
39    }
40}
xd_slice/lib.rs

xd_slice/
lib.rs
