Gets the union of two sets.
bool set_union(Set* left, Set* right, Set* result);
| Name | Type | Description |
|---|---|---|
| left | Set* | A pointer to the left set. |
| right | Set* | A pointer to the right set. |
| result | Set* | A pointer to the result set. |
Returns: true if none of the sets were NULL, false otherwise.
This function gets the union of the left and right sets and stores the values in the result set. The result set cannot be the same as the left or right sets.
SET_DEFINE_H(StringSet, str_set, char*)
SET_DEFINE_C(StringSet, str_set, char*, gds_fnv32, strcmp)
StringSet* left = str_set_create();
StringSet* right = str_set_create();
StringSet* result = str_set_create();
str_set_add(left, "moo");
str_set_add(right, "caw");
str_set_union(left, right, result);
printf("%d\n", str_set_contains(result, "moo"));
printf("%d\n", str_set_contains(result, "caw"));
// Output:
// 1
// 1