import Collection;

local s = emptySet (compare), i;

for i := 0, i < 100, i := i+1
do
  s := addSet (s, i);
  validateColl (s)
od;

printf ("Set internal structure: %s\n", internalOf (s).string);
printf ("Set elements: %s\n", elements (s).string);

for i := 0, i < 100, i := i+1
do
  printf ("Testing %-3d => %d\n", i, memSet (s, i));
  printf ("Testing %-3d => %d\n", i+100, memSet (s, i+100))
od;

for i := 50, i < 150, i := i+1
do
  s := removeSet (s, i);
  validateColl (s)
od;

printf ("Set internal structure: %s\n", internalOf (s).string);
printf ("Set elements: %s\n", elements (s).string);

for i := 0, i < 100, i := i+1
do
  printf ("Testing %-3d => %d\n", i, memSet (s, i))
od;

printf ("List set: %s\n", internalOf (listSet ({1, 2, 3, 4, 5}, compare)).string);

{
 local u = union (listSet ({1, 2, 3, 4, 5}, compare), listSet ({11, 22, 33, 44, 55}, compare)), u1;
 
 validateColl (u);
 
 printf ("Set union: %s\n", internalOf (u).string);
 printf ("Elements: %s\n", elements (u).string);

 u1 := diff (u, listSet ({1, 22, 3, 44, 5}, compare));
 validateColl (u1);

 printf ("Set difference: %s\n", internalOf (u1).string);
 printf ("Elements: %s\n", elements (u1).string) 
}