[fpc-devel] Re: [Lazarus] How to iterate through a TAvgLvlTree
klenin at gmail.com
Fri Mar 16 11:17:57 CET 2012
On Fri, Mar 16, 2012 at 21:06, Mattias Gaertner
<nc-gaertnma at netcologne.de> wrote:
> On Fri, 16 Mar 2012 20:47:15 +1100
> Alexander Klenin <klenin at gmail.com> wrote:
>> On Fri, Mar 16, 2012 at 19:36, Mattias Gaertner
>> <nc-gaertnma at netcologne.de> wrote:
>> >> Is it possible to iterate through all items in a TAvgLvlTree? I
>> >> couldn't find an easy method for doing that.
>> > for Node in Tree do
>> By the way, I think you are using TAvgLvlTree rather often,
>> so did you ever wanted another traversal order besides the default one?
> Of course.
>> You replaced my proposal of extending the for..in loop on the wiki
>> by an example implementing it using the current syntax.
>> So, I am interested -- did you actually use you implementation?
>> What is your opinion -- did it work well for you?
>> In particular, I am interested in the memory management issues --
>> how is enumerator instance freed in your example?
> If you mean the fpc enumerators: They are freed by compiler magic after
> the loop.
So perhaps this fact should be added to the manual?
Alexander S. Klenin
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