On May 15, 2011, at 1:52 PM, Dmitry A. Soshnikov wrote: >> Each evaluation of a given function expression gives a fresh object in JS >> today. WIth joining as Mark proposed at >> >> http://wiki.ecmascript.org/doku.php?id=strawman:const_functions#joining > > Got it. Though it still seems to me as just an implementation optimization > without need to specify explicitly that a function is closed (without free > variables) and thus can be optimized, i.e. created once and stored as some > internal property.
We would want to specify the optimization in order to make === and egal constant time (i.e., based on pointer not value comparison). This matters for WeakMaps keyed by joined functions. /be _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
