doc shaped Arrays

doc/Language/list.pod

@@ -382,6 +382,19 @@ an element type of C<Mu>, however its default value is an undefined C<Any>:
     @n.default.perl.say;            # says "Real"
     @n[0].say;                      # says "(Real)"
 
+=head2 Fixed Size Arrays
+
+To limit the dimensions of an C<Array> provide the dimensions separated by C<,>
+or C<;> in brackets after the name of the array container. The values of such
+an C<Arrays> will default to C<Any>. The shape can be accessed at runtime via
+the C<shape> method.
+
+    my @a[2,2]; 
+    dd @a;
+    # OUTPUT«Array.new(:shape(2, 2), [Any, Any], [Any, Any])␤»
+    say @a.shape;
+    # OUTPUT«(2 2)␤»
+
 =head2 Itemization
 
 For most uses, Arrays consist of a number of slots each containing a C<Scalar> of