[DSSv3] Fix Issue #21100: Add data() function to std.container.array.…

…Array (dlang#8174) [DSSv3] Fix Issue #21100: Add data() function to std.container.array.Array Signed-off-by: Max Haughton <[email protected]> Merged-on-behalf-of: Max Haughton <[email protected]>
lucica28 · Jul 21, 2021 · 11bf097 · 11bf097
1 parent 220e922
commit 11bf097
Showing 1 changed file with 20 additions and 0 deletions.
diff --git a/std/container/array.d b/std/container/array.d
@@ -544,6 +544,17 @@ if (!is(immutable T == immutable bool))
         return _data.refCountedStore.isInitialized ? _data._capacity : 0;
     }
 
+    /**
+     * Returns: the internal representation of the array.
+     *
+     * Complexity: $(BIGOH 1).
+     */
+
+    T[] data() @system
+    {
+        return _data._payload;
+    }
+
     /**
      * Ensures sufficient capacity to accommodate `e` _elements.
      * If `e < capacity`, this method does nothing.
@@ -2601,3 +2612,12 @@ if (is(immutable T == immutable bool))
     GC.collect();
     arr[1].func();
 }
+
+@system unittest
+{
+    Array!int arr = [1, 2, 4, 5];
+    int[] data = arr.data();
+
+    data[0] = 0;
+    assert(arr[0] == 0);
+}