Use Alloc and Layout from core::heap.

94d1970bba87f2d2893f6e934e4c3f02ed50604d moved the alloc::allocator
module to core::heap, moving e.g. Alloc and Layout out of the alloc
crate. While alloc::heap reexports them, it's better to use them from
where they really come from.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/liballoc/btree/node.rs b/src/liballoc/btree/node.rs
index 464f8f2f4ec..49109d522e9 100644
--- a/src/liballoc/btree/node.rs
+++ b/src/liballoc/btree/node.rs
@@ -41,13 +41,14 @@
 // - A node of length `n` has `n` keys, `n` values, and (in an internal node) `n + 1` edges.
 //   This implies that even an empty internal node has at least one edge.
 
+use core::heap::{Alloc, Layout};
 use core::marker::PhantomData;
 use core::mem;
 use core::ptr::{self, Unique, NonNull};
 use core::slice;
 
 use boxed::Box;
-use heap::{Heap, Alloc, Layout};
+use heap::Heap;
 
 const B: usize = 6;
 pub const MIN_LEN: usize = B - 1;