public bool MoveNext()
{
while (_src.MoveNext())
{
if (_parent._second.ContainsKey(_src.Current) &&
!_alreadyDoneItems.ContainsKey(_src.Current))
{
_alreadyDoneItems[_src.Current] = 1;
return(true);
}
}
return(false);
}
public bool MoveNext()
{
while (_src.MoveNext())
{
var key = _selector(_src.Current);
if (_hashset.ContainsKey(key))
{
continue;
}
_hashset[key] = 1;
return(true);
}
return(false);
}