public override T TryGetNext(out bool success)
{
switch (_state)
{
case 1:
_enumerator = _source.GetEnumerator();
_state = 2;
goto case 2;
case 2:
while (true)
{
var item = _enumerator.TryGetNext(out success);
if (!success)
{
break;
}
if (_predicate(item))
{
return(item);
}
}
break;
}
success = false;
return(default(T));
}
public long IFastEnumerator()
{
IFastEnumerator <int> ife = _array.GetFastEnumerator();
long total = 0;
bool remaining = true;
ife.Reset();
loop:
var i = ife.TryGetNext(out remaining);
if (remaining)
{
total += i;
goto loop;
}
return(total);
}
public override R TryGetNext(out bool success)
{
switch (_state)
{
case 1:
_enumerator = _source.GetEnumerator();
_state = 2;
goto case 2;
case 2:
var item = _enumerator.TryGetNext(out success);
if (success)
{
return(_selector(item));
}
break;
}
success = false;
return(default(R));
}
