On 25 September 2013 15:49, Mark S. Miller <erig...@google.com> wrote: > Why does Date need private state? AFAICT, it only needs uniquely named > state. Why not do what we've done for many other bits of internal state that > doesn't need to be private: just name it with a unique symbol? This doesn't > work for all internal state of course, but it does seem it would work for > Date.
Because implementations need to cache various aspects of a date value for performance. Anything but true private, on-object state would have far too much overhead for that. /Andreas _______________________________________________ es-discuss mailing list es-discuss@mozilla.org https://mail.mozilla.org/listinfo/es-discuss
