text: #include "stack_common.h"
  
  int main(void) {
      int contains = -5;
      struct StringBucket buckets[10] = {0};
      struct StringHashtable hashtable = chash_init_stack(&hashtable, buckets,
                                                          10, STRING_TABLE);
  
      contains = chash_contains(&hashtable, "foo", contains, STRING_TABLE);
      assert(contains == 0);
  
      chash_assign(&hashtable, "foo", 1, STRING_TABLE);
  
      contains = chash_contains(&hashtable, "foo", contains, STRING_TABLE);
      assert(contains == 1);
  
      contains = chash_contains(&hashtable, "bar", contains, STRING_TABLE);
      assert(contains == 0);
  
      return 0;
  }
  