diff --git a/src/collections/raw_array.rs b/src/collections/raw_array.rs
index 93fa6d7b25f5a2bcae741b1716e6087deb2e2982..6773f70e26ca5d08a298111c3a4ef0c8ba3f41cb 100644
--- a/src/collections/raw_array.rs
+++ b/src/collections/raw_array.rs
@@ -67,8 +67,8 @@ impl<T> RawArray<T> {
         return self.data;
     }
 
-    /// Returns the length of the array.
-    pub fn len(&self) -> usize {
+    /// Returns the capacity of the array.
+    pub fn cap(&self) -> usize {
         return self.count;
     }
 
@@ -118,7 +118,7 @@ mod tests {
     #[test]
     fn drop_empty_array() {
         let array = RawArray::<u32>::new();
-        assert_eq!(array.len(), 0);
+        assert_eq!(array.cap(), 0);
         assert_eq!(array.data(), ptr::null_mut());
     }
 
@@ -133,7 +133,7 @@ mod tests {
         for grow_idx in 0..NUM_RESIZES {
             let new_size = INIT_SIZE + grow_idx * 4;
             array.resize(new_size);
-            assert_eq!(array.len(), new_size);
+            assert_eq!(array.cap(), new_size);
         }
 
         check(&array, INIT_SIZE);
@@ -149,7 +149,7 @@ mod tests {
         fill(&mut array, INIT_SIZE);
         for _idx in 0..NUM_RESIZES {
             array.resize(INIT_SIZE);
-            assert_eq!(array.len(), INIT_SIZE);
+            assert_eq!(array.cap(), INIT_SIZE);
         }
         check(&array, INIT_SIZE);
     }
@@ -177,7 +177,7 @@ mod tests {
         fill(&mut array, max_size);
         for size in sizes {
             array.resize(size);
-            assert_eq!(array.len(), size);
+            assert_eq!(array.cap(), size);
         }
         check(&array, min_size);
     }