T Set_union(T s, T t)
{
if (s == NULL)
{
assert(t);
return copy(t, t->m_size);
}
else if (t == NULL)
{
return copy(s, s->m_size);
}
else
{
T set = copy(s, Arith_max(s->m_size, t->m_size));
assert(s->m_compare == t->m_compare && s->m_hash == t->m_hash);
{
/*for each member q in t*/
size_t i;
struct element* q;
for (i = 0; i < t->m_size; i++)
{
for (q = t->m_buckets[i]; q != NULL; q = q->m_next)
{
/*\for each member q in t*/
Set_put(set, q->m_value);
}
}
}
return set;
}
}
T Set_union(T s, T t) {
if (s == NULL) {
assert(t);
return copy(t, t->size);
} else if (t == NULL)
return copy(s, s->size);
else {
T set = copy(s, Arith_max(s->size, t->size));
assert(s->cmp == t->cmp && s->hash == t->hash);
{ int i;
struct member *q;
for (i = 0; i < t->size; i++)
for (q = t->buckets[i]; q; q = q->link)
Set_put(set, q->member);
}
return set;
}
}
