[erlang-questions] RecordA serialization ... time ... deserialization to RecordB?

Max Bourinov <>
Mon Nov 14 08:58:41 CET 2011


I implementing my custom module because it is better for my specific task
and it took me two change only two lines of code :-)


On Mon, Nov 14, 2011 at 10:55 AM, Joel Reymont <> wrote:

> Nothing wrong with reinventing the wheel yet again.
>
> Why not do it using proplists and orddict, though?
>
> The latter module, I think, is somewhat underappreciated.
>
>
> ---
> Sent from my iPhone
>
> On Nov 14, 2011, at 6:22 AM, Max Bourinov <> wrote:
>
>  So, if anybody interested I ended up with my own module that deals with
> list of tuples. Each tuple is {atom(), term()} where the atom is a key and
> term is a value. It provides me basic get-set value methods and some domain
> specific stuff.  My module heavily uses lists module, so it was very easy
> to implement. Seems to be most efficient solution.
>
> Thank you everybody for you suggestions and advices!
>
> Best regards,
> Max
>
>
>
>
> On Sat, Nov 12, 2011 at 1:23 PM, Ulf Wiger <> wrote:
>
>> An orddict will serialize nicely too, not least using 'sext', which will
>> preserve the sort order. ;-)
>>
>> BR,
>> Ulf W
>>
>> 12 nov 2011 kl. 10:50 skrev Joel Reymont <>:
>>
>> > Don't serialize a dict.
>> >
>> > Serialize a proplist, then use dict:from_list/1.
>> >
>> > On Nov 12, 2011, at 9:22 AM, Max Bourinov wrote:
>> >
>> >> Hello Erlangers!
>> >>
>> >> So I made a dict as field of my state record and I do serialize it via
>> term_to_binary and it seems to work like a charm.
>> >>
>> >> One thing which makes me thinking about implementing my own serializer
>> or dict like library - why dict data structure has many empty lists in it?
>> Is it for the case of fast growing?
>> >>
>> >> Erlang R14B04 (erts-5.8.5) [source] [64-bit] [smp:4:4] [rq:4]
>> [async-threads:0] [hipe] [kernel-poll:false]
>> >>
>> >> Eshell V5.8.5  (abort with ^G)
>> >> 1> D = dict:new().
>> >> {dict,0,16,16,8,80,48,
>> >>      {[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]},
>> >>      {{[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]}}}
>> >>
>> >> Actually those empty lists doesn't hurt me much, but why? If nobody
>> knows I will check sources :-)
>> >
>> >
>> --------------------------------------------------------------------------
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>> drivers
>> >
>> ---------------------+------------+---------------------------------------
>> > http://wagerlabs.com | @wagerlabs |
>> http://www.linkedin.com/in/joelreymont
>> >
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>> >
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>
>
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