use more miri-friendly way to get pointer to slice data

dwrensha · dwrensha · commit 72480efb3514 · 2020-01-16T07:12:43.000-05:00
diff --git a/capnp/src/constant.rs b/capnp/src/constant.rs
@@ -42,6 +42,6 @@ pub struct Reader<T> {
 impl <T> Reader<T> where T: for<'a> Owned<'a> {
     /// Retrieve the value.
     pub fn get(&self) -> Result<<T as Owned<'static>>::Reader> {
-        any_pointer::Reader::new(PointerReader::get_root_unchecked(&self.words[0] as *const Word)).get_as()
+        any_pointer::Reader::new(PointerReader::get_root_unchecked(self.words.as_ptr())).get_as()
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -42,6 +42,6 @@ pub struct Reader<T> {`
`42`	`42`	`impl <T> Reader<T> where T: for<'a> Owned<'a> {`
`43`	`43`	`/// Retrieve the value.`
`44`	`44`	`pub fn get(&self) -> Result<<T as Owned<'static>>::Reader> {`
`45`		`- any_pointer::Reader::new(PointerReader::get_root_unchecked(&self.words[0] as *const Word)).get_as()`
	`45`	`+ any_pointer::Reader::new(PointerReader::get_root_unchecked(self.words.as_ptr())).get_as()`
`46`	`46`	`}`
`47`	`47`	`}`