Encoding NaN in JSON

Tim Roberts timr at probo.com
Wed Apr 17 01:38:52 EDT 2013


Miki Tebeka <miki.tebeka at gmail.com> wrote:
>
>I'm trying to find a way to have json emit float('NaN') as 'N/A'.
>I can't seem to find a way since NaN is a float, which means overriding "default" won't help.
>
>Any simple way to do this?

No.  There is no way to represent NaN in JSON.  It's simply not part of the
specification.  From RFC 4627 section 2.4:

   Numeric values that cannot be represented as sequences of digits
   (such as Infinity and NaN) are not permitted.
-- 
Tim Roberts, timr at probo.com
Providenza & Boekelheide, Inc.



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