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Re: reading NaNs

bear wrote:

So if we're going to have a NaN read/write syntax, we *MUST* require
implementors to guarantee that, no matter what, their reader will
never throw an error and return a NaN. 

Okay, I'm comfortable with that.
Perhaps we need to defined a general invalid object which has (a) no read syntax and (b) is returned by read whenever it has a problem with the input (numbers too big, objects to big, bad syntax, etc.) 

Regards,

Alan
--
Dr Alan Watson
Centro de Radioastronomía y Astrofísica
Universidad Astronómico Nacional de México