add VolatilePtr::iter & VolatilePtr::iter_mut

Author: Freax13

src/lib.rs

@@ -479,6 +479,30 @@ impl<'a, T, R, W> VolatilePtr<'a, [T], Access<R, W>> {
         }
     }
 
+    /// Returns an iterator over the slice.
+    pub fn iter<'b>(
+        self,
+    ) -> impl Iterator<Item = VolatilePtr<'a, T, Access<R, access::NoAccess>>> + 'b
+    where
+        'a: 'b,
+        R: 'b,
+        W: 'b,
+    {
+        let len = self.len();
+        (0..len).map(move |i| self.index(i))
+    }
+
+    /// Returns an iterator that allows modifying each value.
+    pub fn iter_mut<'b>(self) -> impl Iterator<Item = VolatilePtr<'a, T, Access<R, W>>> + 'b
+    where
+        'a: 'b,
+        R: 'b,
+        W: 'b,
+    {
+        let len = self.len();
+        (0..len).map(move |i| self.index_mut(i))
+    }
+
     /// Copies all elements from `self` into `dst`, using a volatile memcpy.
     ///
     /// The length of `dst` must be the same as `self`.