Encapsulate RustVec repr to single module
diff --git a/src/rust_vec.rs b/src/rust_vec.rs
index 126fdbf..d449231 100644
--- a/src/rust_vec.rs
+++ b/src/rust_vec.rs
@@ -5,7 +5,7 @@
 
 #[repr(C)]
 pub struct RustVec<T> {
-    pub(crate) repr: Vec<T>,
+    repr: Vec<T>,
 }
 
 impl<T> RustVec<T> {