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BAN: Basic containers have shrink_to_fit() method

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I also chaged the default memory allocation increase from 1.5 to 2
This commit is contained in:
Bananymous
2023-02-22 02:07:05 +02:00
parent 5d31e89574
commit 4afc4660a4
6 changed files with 84 additions and 13 deletions
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11
BAN/include/BAN/HashSet.h
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@@ -33,6 +33,8 @@ namespace BAN
void remove(const T&);
void clear();
ErrorOr<void> reserve(size_type);
const_iterator begin() const { return const_iterator(this, m_buckets.begin()); }
const_iterator end() const { return const_iterator(this, m_buckets.end()); }
@@ -160,6 +162,13 @@ namespace BAN
m_size = 0;
}
template<typename T, typename HASH>
ErrorOr<void> HashSet<T, HASH>::reserve(size_type size)
{
TRY(rebucket(size));
return {};
}
template<typename T, typename HASH>
bool HashSet<T, HASH>::contains(const T& key) const
{
@@ -185,7 +194,7 @@ namespace BAN
if (m_buckets.size() >= bucket_count)
return {};
size_type new_bucket_count = BAN::Math::max<size_type>(bucket_count, m_buckets.size() * 3 / 2);
size_type new_bucket_count = BAN::Math::max<size_type>(bucket_count, m_buckets.size() * 2);
Vector<Vector<T>> new_buckets;
if (new_buckets.resize(new_bucket_count).is_error())
return Error::from_string("HashSet: Could not allocate memory");