Generate data accessor for Vec
diff --git a/src/rust_vec.rs b/src/rust_vec.rs
index 1c0c64f..32db8cc 100644
--- a/src/rust_vec.rs
+++ b/src/rust_vec.rs
@@ -29,6 +29,10 @@
     pub fn len(&self) -> usize {
         self.repr.len()
     }
+
+    pub fn as_ptr(&self) -> *const T {
+        self.repr.as_ptr()
+    }
 }
 
 const_assert_eq!(mem::size_of::<[usize; 3]>(), mem::size_of::<Vec<i32>>());