Adds tail refs |1494

Author: JJ

doc/Type/Any.pod6

@@ -1153,6 +1153,23 @@ to return all but the last elements:
 
     say (^10).head( * - 3 );# OUTPUT: «(0 1 2 3 4 5 6)␤»
 
+=head2 method tail
+
+Defined as:
+
+    multi method tail() is raw
+    multi method tail($n)
+
+Returns the last or the list of the C<$n> last elements of an object. C<$n> can
+be a C<Callable>, usually a C<WhateverCode>, which will be used to get all but
+the first C<n> elements of the object.
+
+=for code
+say (^12).reverse.tail ;     # OUTPUT: «0␤»
+say (^12).reverse.tail(3);   # OUTPUT: «(2 1 0)␤»
+say (^12).reverse.tail(*-7); # OUTPUT: «(4 3 2 1 0)␤»
+
+
 =head2 method tree
 
 Defined as: