public TValue this[TKey key]
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get
{
var oldValObj = _table.TryGetValue(key);
Debug.Assert(!(oldValObj is DictionaryImpl.Prime));
if (oldValObj != null)
{
// PERF: this would be nice to have as a helper,
// but it does not get inlined
TValue value;
if (default(TValue) == null && oldValObj == DictionaryImpl.NULLVALUE)
{
value = default(TValue);
}
else
{
value = (TValue)oldValObj;
}
return(value);
}
return(ThrowKeyNotFound());
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
set
{
object oldValObj = null;
var newValObj = DictionaryImpl.ToObjectValue(value);
_table.PutIfMatch(key, newValObj, ref oldValObj, DictionaryImpl.ValueMatch.Any);
}
}
public bool MoveNext()
{
if (_nextV == NULLVALUE)
{
return(false);
}
_curKey = _nextK;
_curValue = _nextV;
_nextV = NULLVALUE;
var entries = _table._entries;
while (_idx < entries.Length)
{
// Scan array
var nextEntry = entries[_idx++];
if (nextEntry.value != null)
{
var nextK = _table.keyFromEntry(nextEntry.key);
var nextV = _table.TryGetValue(nextK);
if (nextV != null)
{
_nextK = nextK;
// PERF: this would be nice to have as a helper,
// but it does not get inlined
if (default(TValue) == null && nextV == NULLVALUE)
{
_nextV = default(TValue);
}
else
{
_nextV = (TValue)nextV;
}
break;
}
}
}
return(_curValue != NULLVALUE);
}
