Sierpinski triangle/Graphical: Difference between revisions

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@@ Line 373: / Line 373: @@
 The output image is the same as the Go version. This requires the module from the Grayscale image Task.
 {{trans|Go}}
-<lang d>import grayscale_image;
+<lang d>void main() {
+    import grayscale_image;
-void main() {
     enum order = 8,
          margin = 10,
@@ Line 383: / Line 383: @@
     im.clear(Gray.white);
-    foreach (y; 0 .. width)
+    foreach (immutable y; 0 .. width)
-        foreach (x; 0 .. width)
+        foreach (immutable x; 0 .. width)
             if ((x & y) == 0)
                 im[x + margin, y + margin] = Gray.black;