Added cmc prefixes to enums used by heap and hashtables and fixed return type on treeset and hashset

tests/contains.c

@@ -38,7 +38,7 @@ int main(void)
     queue *q = q_new(1000);
     deque *d = d_new(1000);
     linked *ll = ll_new();
-    heap *h = h_new(1000, MaxHeap, intcmp);
+    heap *h = h_new(1000, cmc_max_heap, intcmp);
     tset *ts = ts_new(intcmp);
     tmap *tm = tm_new(intcmp);
     hset *hs = hs_new(1000, 0.9, intcmp, inthash);

tests/foreach.c

@@ -37,7 +37,7 @@ int main(void)
     queue *q = q_new(1000);
     deque *d = d_new(1000);
     linked *ll = ll_new();
-    heap *h = h_new(1000, MaxHeap, intcmp);
+    heap *h = h_new(1000, cmc_max_heap, intcmp);
     tset *ts = ts_new(intcmp);
     tmap *tm = tm_new(intcmp);
     hset *hs = hs_new(1000, 0.9, intcmp, inthash);

tests/iterators.c

@@ -80,7 +80,7 @@ COLLECTION_GENERATE(HASHMAP, hm, hmap, /* FMOD */, int, double)
 ITERATOR_TEST(DEQUE, d, deque, d_new(20), d_push_front(coll, i), sum1 += d_iter_value(&iter), sum1 == 450, 1)
 ITERATOR_TEST(HASHMAP, hm, hmap, hm_new(50, 0.6, intcmp, inthash), hm_insert(coll, i, (double)i / 10.0), sum1 += hm_iter_key(&iter); sum2 += hm_iter_value(&iter), sum1 == 450, sum2 == 45.0)
 ITERATOR_TEST(HASHSET, hs, hset, hs_new(50, 0.6, intcmp, inthash), hs_insert(coll, i), sum1 += hs_iter_value(&iter), sum1 == 450, 1)
-ITERATOR_TEST(HEAP, h, heap, h_new(20, MaxHeap, intcmp), h_insert(coll, i), sum1 += h_iter_value(&iter), sum1 == 450, 1)
+ITERATOR_TEST(HEAP, h, heap, h_new(20, cmc_max_heap, intcmp), h_insert(coll, i), sum1 += h_iter_value(&iter), sum1 == 450, 1)
 ITERATOR_TEST(LINKEDLIST, ll, linked, ll_new(), ll_push_back(coll, i), sum1 += ll_iter_value(&iter), sum1 == 450, 1)
 ITERATOR_TEST(LIST, l, list, l_new(20), l_push_back(coll, i), sum1 += l_iter_value(&iter), sum1 == 450, 1)
 ITERATOR_TEST(QUEUE, q, queue, q_new(20), q_enqueue(coll, i), sum1 += q_iter_value(&iter), sum1 == 450, 1)