Implement From, not Into

CHANGELOG.md

@@ -21,6 +21,9 @@
 
 - Implement `Default` on `Map` (not just on `RawMap`)
 
+- The implementation of `Into<RawMap<A>>` for `Map<A>` has been
+  replaced with the more general `From<Map<A>>` for `RawMap<A>`.
+
 - Worked around the spurious `where_clauses_object_safety` future-compatibility lint that has been raised since mid-2018.
   If you put `#![allow(where_clauses_object_safety)]` on your binary crates for this reason, you can remove it.
 

src/lib.rs

@@ -236,10 +236,10 @@ impl<A: ?Sized + UncheckedAnyExt> AsMut<RawMap<A>> for Map<A> {
     }
 }
 
-impl<A: ?Sized + UncheckedAnyExt> Into<RawMap<A>> for Map<A> {
+impl<A: ?Sized + UncheckedAnyExt> From<Map<A>> for RawMap<A> {
     #[inline]
-    fn into(self) -> RawMap<A> {
-        self.raw
+    fn from(map: Map<A>) -> RawMap<A> {
+        map.raw
     }
 }