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Re: [xml-dev] Doing unto JSON what...

I was a bit surprised to find it has neither a string nor a character type.  Strings are handled as raw byte sequences (and so presumably it's up to the application to deal with encoding issues).  That's is not a design I find very appealing.



On Mon, Dec 31, 2012 at 6:28 AM, Simon St.Laurent <simonstl@simonstl.com> wrote:
Years ago I hoped that programmers would move away from XML and toward formats that were a better fit for the kinds of messages they wanted to send between specific kinds of senders.  I pointed to ASN.1 as a binary option (though never one I could make work), and was happy to see JSON emerge as a simpler text-based format for many kinds of messages.

Today, this one seems to keep coming across my Twitter feed, even from people reporting that they're using it.

MessagePack: It's like JSON. but fast and small.

MessagePack is an efficient binary serialization format. It lets you exchange data among multiple languages like JSON but it's faster and smaller. For example, small integers (like flags or error code) are encoded into a single byte, and typical short strings only require an extra byte in addition to the strings themselves.

If you ever wished to use JSON for convenience (storing an image with metadata) but could not for technical reasons (encoding, size, speed...), MessagePack is a perfect replacement.


There's support in lots of languages, though I haven't had time to play.  I suspect a few folks here might still be interested.

Simon St.Laurent


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