public ValueCollection(FastDictionary <TKey, TValue, TComparer> dictionary)
{
Contract.Requires(dictionary != null);
Contract.EndContractBlock();
this.dictionary = dictionary;
}
public FastDictionary(
int initialBucketCount,
FastDictionary <TKey, TValue, TComparer> src)
{
Contract.Requires(src != null);
Contract.Ensures(this.Capacity >= initialBucketCount);
Contract.Ensures(this.Capacity >= src.Capacity);
Contract.EndContractBlock();
this.initialCapacity = DictionaryHelper.NextPowerOf2(initialBucketCount);
this.Capacity = Math.Max(src.Capacity, initialBucketCount);
this.Count = src.Count;
this.numberOfUsed = src.numberOfUsed;
this.numberOfDeleted = src.numberOfDeleted;
this.nextGrowthThreshold = src.nextGrowthThreshold;
var newCapacity = this.Capacity;
if (ReferenceEquals(this.Comparer, src.Comparer))
{
// Initialization through copy (very efficient) because the comparer is the same.
this.entries = new Entry[newCapacity];
Array.Copy(src.entries, this.entries, newCapacity);
}
else
{
// Initialization through rehashing because the comparer is not the same.
var e = new Entry[newCapacity];
BlockCopyMemoryHelper.Memset(e, new Entry(UnusedHash, default(TKey), default(TValue)));
// Creating a temporary alias to use for rehashing.
this.entries = src.entries;
// This call will rewrite the aliases
this.Rehash(e);
}
}
internal ValueEnumerator(FastDictionary <TKey, TValue, TComparer> dictionary)
{
this.dictionary = dictionary;
this.index = 0;
this.Current = default(TValue);
}
public FastDictionary(FastDictionary <TKey, TValue, TComparer> src)
: this(src.Capacity, src)
{
}
internal Enumerator(FastDictionary <TKey, TValue, TComparer> dictionary)
{
this.dictionary = dictionary;
this.index = 0;
this.Current = new KeyValuePair <TKey, TValue>();
}
