anchor.diff:    Parts1 = map_partitions(Partitions, [a,b,c]),
     Parts2 = map_partitions(Partitions, [a,b,c,d]),
     Diff = diff(Parts1, Parts2),
  -  ?assertEqual(false, lists:any(fun({A,B,Part}) ->
  +  ?assertEqual(false, lists:any(fun({A,B,_Part}) ->
         case {A,B} of
           {a,b} -> true;
           {a,c} -> true;
  
positive.code:   Parts1 = map_partitions(Partitions, [a,b]),
    Parts2 = map_partitions(Partitions, [a,b,c]),
    Diff = diff(Parts1, Parts2),
    ?assertEqual(false, lists:any(fun({A,B,Part}) ->
        case {A,B} of
          {a,b} -> true;
          {b,a} -> true;
  
negative.code: % Original Author: Cliff Moon
  
  -include_lib("eunit/include/eunit.hrl").
  
  -compile(export_all).
  
  -define(assertWithin(Lower, Upper, Expr),
    	((fun (__X,__Y) ->
  