Merge #5

5: improve DST support r=japaric a=japaric



Co-authored-by: Jorge Aparicio <jorge@japaric.io>

Author: bors[bot]

CHANGELOG.md

@@ -5,6 +5,12 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+## [v0.3.1] - 2018-11-07
+
+### Changed
+
+- Make deref work on Aligned<Ax, $DST>.
+
 ## [v0.3.0] - 2018-11-05
 
 ### Changed

Cargo.toml

@@ -8,7 +8,7 @@ keywords = ["alignment", "aligned", "array", "static"]
 license = "MIT OR Apache-2.0"
 name = "aligned"
 repository = "https://github.com/japaric/aligned"
-version = "0.3.0"
+version = "0.3.1"
 
 [dependencies]
 as-slice = "0.1.0"

src/lib.rs

@@ -72,6 +72,7 @@ pub const fn Aligned<A, T>(value: T) -> Aligned<A, T> {
 impl<A, T> ops::Deref for Aligned<A, T>
 where
     A: sealed::Alignment,
+    T: ?Sized,
 {
     type Target = T;
 
@@ -83,6 +84,7 @@ where
 impl<A, T> ops::DerefMut for Aligned<A, T>
 where
     A: sealed::Alignment,
+    T: ?Sized,
 {
     fn deref_mut(&mut self) -> &mut T {
         &mut self.value
@@ -147,4 +149,9 @@ fn sanity() {
     assert_eq!(mem::align_of_val(&*y), 4);
     assert_eq!(mem::align_of_val(&*z), 8);
     assert_eq!(mem::align_of_val(&*w), 16);
+
+    // test deref-ing
+    let x: Aligned<A2, _> = Aligned([0u8; 3]);
+    let y: &Aligned<A2, [u8]> = &x;
+    let _: &[u8] = y;
 }