Fix build on nightly 1.43.0 (05-03-2020). (#25)

Darksecond · web-flow · commit f63cb88bae83 · 2020-03-06T11:03:55.000+01:00
The AllocRef trait has been changed slightly. See https://doc.rust-lang.org/nightly/std/alloc/trait.AllocRef.html#tymethod.alloc
diff --git a/src/lib.rs b/src/lib.rs
@@ -130,8 +130,8 @@ impl Heap {
 }
 
 unsafe impl AllocRef for Heap {
-    unsafe fn alloc(&mut self, layout: Layout) -> Result<NonNull<u8>, AllocErr> {
-        self.allocate_first_fit(layout)
+    unsafe fn alloc(&mut self, layout: Layout) -> Result<(NonNull<u8>, usize), AllocErr> {
+        Ok((self.allocate_first_fit(layout)?, layout.size()))
     }
 
     unsafe fn dealloc(&mut self, ptr: NonNull<u8>, layout: Layout) {

Original file line number	Diff line number	Diff line change
`@@ -130,8 +130,8 @@ impl Heap {`
`130`	`130`	`}`
`131`	`131`
`132`	`132`	`unsafe impl AllocRef for Heap {`
`133`		`- unsafe fn alloc(&mut self, layout: Layout) -> Result<NonNull<u8>, AllocErr> {`
`134`		`- self.allocate_first_fit(layout)`
	`133`	`+ unsafe fn alloc(&mut self, layout: Layout) -> Result<(NonNull<u8>, usize), AllocErr> {`
	`134`	`+ Ok((self.allocate_first_fit(layout)?, layout.size()))`
`135`	`135`	`}`
`136`	`136`
`137`	`137`	`unsafe fn dealloc(&mut self, ptr: NonNull<u8>, layout: Layout) {`