2010/4/5 Tanaka Akira <akr / fsij.org>:
> 2010/4/5 Aaron Patterson <aaron / tenderlovemaking.com>:
>>
>> How should this problem be fixed?       
>> does not use the YAML time format, that would be surprising to me.  >> my assumption wrong?  §     
>
> If the fractional seconds are representable in the decimal system,
> it should be representable in the YAML time format.
>
> For example, Ruby obtains the current time using clock_gettime if available.
> clock_gettime returns struct timespec which has nano-second resolution.
> It needs 9 digits to preserve the information.
> But psych dumps only 6 digits.
> This is why Psych.load(Psych.dump(Time.now)) doesn't round trip.
>
> FreeBSD has bintime which is 2**(-64) second resolution.
> It is also representable in the decimal system.
> (It may need 64 digits, though.)
> Ruby generates such time in Socket::AncillaryData#timestamp.

YAML's timestamp (ISO 8601)'s fraction can have non-limited digits.
http://yaml.org/type/timestamp.html

-- 
NARUSE, Yui
naruse / airemix.jp