Missing example provided by mj41++ .

From http://irclog.perlgeek.de/perl6/2015-06-13#i_10746280 .

Author: pmichaud

S07-glr-draft.pod

@@ -89,8 +89,9 @@ Conjecture:  An array constructor preceded by a colon flattens its
 interior contents.  Array constructors without the colon do not flatten
 the interior.
 
-    my $d = :[ 1, <a b c> ]     # four elements, [ 1, 'a', 'b', 'c' ]
-    my $e = [ 1, <a b c>  ]     # two elements,  [ 1, ('a', 'b', 'c') ]
+    my @d = :[ 1, <a b c> ]     # four elements, [ 1, 'a', 'b', 'c' ]
+    my @e = [ 1, <a b c>  ]     # two elements,  [ 1, ('a', 'b', 'c') ]
+    my @f = [ 1, 2, @a, 6..9 ]  # four elements
 
 Objects held in scalar containers are never interpolated in flattening
 context, even if the object is C<Iterable>.