[fpc-devel] New feature discussion: for-in loop

[Graeme Geldenhuys]

2009/10/20 Alexander Klenin <klenin at gmail.com>:
>
> for-in is just a syntax sugar plus standard interface for the cost common usage
> of iterators. So they are not mutually exclusive at all.

Another flaw in the for-in concept...

  What will this do:

  for y in MyList do
  begin
    if y = XXX then
      MyList.Add(YYY);
    if y = ZZZ then
      MyList.Insert(1, AAA);
  end;

With my iterator implementation I can handle this with no problems,
and ever make the resulting behaviour user-selectable with parameters
to the MyList.GetIterator method.


-- 
Regards,
  - Graeme -


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