On Jun 23, 2011, at 11:33 PM, Axel Rauschmayer wrote: > I take it their complaint was *not* about performance? I would think that > block lambdas would not use a function + bind to achieve lexical this, but > some kind of variable renaming/alpha conversion. Thus, performance should not > be an anti-lambda argument. On the other hand, |this| not being stored in an > environment, alpha conversion might not work (move |this| from the Execution > Context State to an the environment???).
No, block-lambda this access would be like any other upvar, well-optimized. Performance was not the objection. >> This is a difference in risk evaluation or tolerance, perhaps. We should try >> to get to the bottom of it. > > > Maybe there should be a list of “functions in all their current use-cases”. I > keep thinking that dynamic |this| only matters for methods, but you provided > a counter-example. You are right to push on the question of use-cases. Will try to get a survey done -- Mozilla has several practical analyze-the-web irons in the fire. /be _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
