import Collection;

local s = emptySet (), i;

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

printf ("Set internal structure: %s\n", 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", 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