The collections crate was merged into the alloc crate

.travis.yml

@@ -10,11 +10,7 @@ matrix:
     - rust: nightly
       env: FEATURES='alloc'
     - rust: nightly
-      env: FEATURES='collections'
-    - rust: nightly
-      env: FEATURES='alloc collections'
-    - rust: nightly
-      env: FEATURES='std alloc collections'
+      env: FEATURES='std alloc'
 script:
    - cargo build --no-default-features --features "$FEATURES"
 notifications:

Cargo.toml

@@ -14,5 +14,4 @@ license = "0BSD"
 [features]
 std = []
 alloc = []
-collections = []
 default = ["std"]

README.md

@@ -72,14 +72,9 @@ The `std` feature enables use of `Box` and `Vec` through a dependency on the `st
 
 ### Feature `alloc`
 
-The `alloc` feature enables use of `Box` through a dependency on the `alloc` crate.
+The `alloc` feature enables use of `Box` and `Vec` through a dependency on the `alloc` crate.
 This only works on nightly rustc.
 
-### Feature `collections`
-
-The `collections` feature enables use of `Vec` through a dependency on
-the `collections` crate. This only works on nightly rustc.
-
 Usage
 -----
 

src/lib.rs

@@ -1,6 +1,5 @@
 #![no_std]
 #![cfg_attr(all(feature = "alloc", not(feature = "std")), feature(alloc))]
-#![cfg_attr(all(feature = "collections", not(feature = "std")), feature(collections))]
 
 //! A library that provides a way to logically own objects, whether or not
 //! heap allocation is available.
@@ -9,8 +8,6 @@
 extern crate std;
 #[cfg(all(feature = "alloc", not(feature = "std")))]
 extern crate alloc;
-#[cfg(all(feature = "collections", not(feature = "std")))]
-extern crate collections;
 
 mod object;
 mod slice;

src/object.rs

@@ -7,8 +7,8 @@ use std::boxed::Box;
 use alloc::boxed::Box;
 #[cfg(feature = "std")]
 use std::vec::Vec;
-#[cfg(all(feature = "alloc", feature = "collections", not(feature = "std")))]
-use collections::vec::Vec;
+#[cfg(all(feature = "alloc", not(feature = "std")))]
+use alloc::vec::Vec;
 
 /// A managed object.
 ///
@@ -61,7 +61,7 @@ impl<T: ?Sized + 'static> From<Box<T>> for Managed<'static, T> {
     }
 }
 
-#[cfg(any(feature = "std", all(feature = "alloc", feature = "collections")))]
+#[cfg(any(feature = "std", feature = "alloc"))]
 impl<T: 'static> From<Vec<T>> for Managed<'static, [T]> {
     fn from(value: Vec<T>) -> Self {
         Managed::Owned(value.into_boxed_slice())

src/slice.rs

@@ -7,8 +7,8 @@ use std::boxed::Box;
 use alloc::boxed::Box;
 #[cfg(feature = "std")]
 use std::vec::Vec;
-#[cfg(all(feature = "collections", not(feature = "std")))]
-use collections::vec::Vec;
+#[cfg(all(feature = "alloc", not(feature = "std")))]
+use alloc::vec::Vec;
 
 /// A managed slice.
 ///
@@ -29,8 +29,8 @@ use collections::vec::Vec;
 pub enum ManagedSlice<'a, T: 'a> {
     /// Borrowed variant.
     Borrowed(&'a mut [T]),
-    /// Owned variant, only available with the `std` or `collections` feature enabled.
-    #[cfg(any(feature = "std", feature = "collections"))]
+    /// Owned variant, only available with the `std` or `alloc` feature enabled.
+    #[cfg(any(feature = "std", feature = "alloc"))]
     Owned(Vec<T>)
 }
 
@@ -39,7 +39,7 @@ impl<'a, T: 'a> fmt::Debug for ManagedSlice<'a, T>
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         match self {
             &ManagedSlice::Borrowed(ref x) => write!(f, "Borrowed({:?})", x),
-            #[cfg(any(feature = "std", feature = "collections"))]
+            #[cfg(any(feature = "std", feature = "alloc"))]
             &ManagedSlice::Owned(ref x)    => write!(f, "Owned({:?})", x)
         }
 
@@ -67,11 +67,11 @@ macro_rules! from_unboxed_slice {
     )
 }
 
-#[cfg(any(feature = "std", all(feature = "alloc", feature = "collections")))]
+#[cfg(any(feature = "std", feature = "alloc"))]
 from_unboxed_slice!(0,  1,   2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
                     16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31);
 
-#[cfg(any(feature = "std", feature = "collections"))]
+#[cfg(any(feature = "std", feature = "alloc"))]
 impl<T: 'static> From<Vec<T>> for ManagedSlice<'static, T> {
     fn from(value: Vec<T>) -> Self {
         ManagedSlice::Owned(value)
@@ -84,7 +84,7 @@ impl<'a, T: 'a> Deref for ManagedSlice<'a, T> {
     fn deref(&self) -> &Self::Target {
         match self {
             &ManagedSlice::Borrowed(ref value) => value,
-            #[cfg(any(feature = "std", feature = "collections"))]
+            #[cfg(any(feature = "std", feature = "alloc"))]
             &ManagedSlice::Owned(ref value) => value
         }
     }
@@ -94,7 +94,7 @@ impl<'a, T: 'a> DerefMut for ManagedSlice<'a, T> {
     fn deref_mut(&mut self) -> &mut Self::Target {
         match self {
             &mut ManagedSlice::Borrowed(ref mut value) => value,
-            #[cfg(any(feature = "std", feature = "collections"))]
+            #[cfg(any(feature = "std", feature = "alloc"))]
             &mut ManagedSlice::Owned(ref mut value) => value
         }
     }