Merge #55

55: impl [Try]AllocSliceDst for [A]RcBox r=CAD97 a=CAD97



Co-authored-by: CAD97 <cad97@cad97.com>

Author: bors[bot]

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "rc-box"
-version = "1.0.0"
+version = "1.1.0"
 edition = "2018"
 
 authors = ["Christopher Durham (cad97) <cad97@cad97.com>"]
@@ -17,6 +17,9 @@ maintenance = { status = "passively-maintained" }
 [features]
 default = ["erasable"]
 
+[dependencies]
+slice-dst = { version = "1.4.0", optional = true }
+
 [dependencies.erasable]
 version = "1.0.0"
 path = "../erasable"

crates/rc-box/Cargo.toml

@@ -18,6 +18,8 @@ extern crate std;
 
 #[cfg(feature = "erasable")]
 use erasable::{Erasable, ErasablePtr, ErasedPtr};
+#[cfg(feature = "slice-dst")]
+use slice_dst::{AllocSliceDst, SliceDst, TryAllocSliceDst};
 #[cfg(feature = "std")]
 use std::panic::UnwindSafe;
 use {
@@ -352,6 +354,25 @@ then the data will be pinned in memory and unable to be moved."),
             }
         }
 
+        #[cfg(feature = "slice-dst")]
+        unsafe impl<S: ?Sized + SliceDst> AllocSliceDst<S> for $RcBox<S> {
+            unsafe fn new_slice_dst<I>(len: usize, init: I) -> Self
+            where
+                I: FnOnce(ptr::NonNull<S>),
+            {
+                Self::from_unchecked($Rc::new_slice_dst(len, init))
+            }
+        }
+        #[cfg(feature = "slice-dst")]
+        unsafe impl<S: ?Sized + SliceDst> TryAllocSliceDst<S> for $RcBox<S> {
+            unsafe fn try_new_slice_dst<I, E>(len: usize, init: I) -> Result<Self, E>
+            where
+                I: FnOnce(ptr::NonNull<S>) -> Result<(), E>,
+            {
+                $Rc::try_new_slice_dst(len, init).map(|x| Self::from_unchecked(x))
+            }
+        }
+
         impl<T: ?Sized> AsMut<T> for $RcBox<T> {
             fn as_mut(&mut self) -> &mut T {
                 &mut **self