From: Vadivelan Vaddi <vattibe@...>
Date: 2010-10-20T13:53:31+09:00
Subject: Re: YAML serialization of Hash with Set key not loadable

Can anyone explain me a bit more about the use of set key in hash??

I didn't aware about the Set class.

Vadivelan

yermej wrote in post #955644:
> On Oct 19, 1:27pm, Tim Garnett <tgarn...@panjiva.com> wrote:
>> YAML serialization seems to be failing for me with any structure that
>> involves a hash with a set key. Is there documentation anywhere on what
>> sorts of objects are able to be serialized/deserialized via YAML? Or if
>> this is a bug that's fixed in a newer ruby version (I'm using
>> 1.9.1p378)?
>
> I'm seeing the same behavior in 1.8.6p399 and 1.9.2rc2 so it's
> probably a bug that's been around for a while.
>
> I don't know the reason for the issue since it seems to be somewhere
> in the Syck library. In any Ruby I've tested:
>
> ruby-1.9.2-rc2 > puts YAML.dump({[1].to_set=>1})
> ---
> !ruby/object:Set ?
>   hash:
>     1: true
> : 1
>
>  => nil
>
> while the correct YAML is:
>
> ---
> ?
>   !ruby/object:Set
>     hash:
>       1: true
> : 1
>
> I guess that means it's a Syck bug, but this is all from a quick look
> so I'm not sure.
>
> Jeremy

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