Has anyone found problems with weakmap? My application uses it and it works so far for me. It would be a serious problem if I couldn't use it.
On Mon, Dec 31, 2012 at 8:39 AM, Rick Waldron <[email protected]>wrote: > > > On Monday, December 31, 2012, Domenic Denicola wrote: > >> On Sunday, December 30, 2012 4:40:19 PM UTC-5, Rick Waldron wrote: >> >>> >>> On Sunday, December 30, 2012, Tristan Slominski wrote: >>> >>>> RE: "No one should use --harmony today anyway.." >>>> >>>> I didn't see block-scoped "let" in es6-shim (pretty sure that's >>>> impossible to shim without compilation, right?), so although you make a >>>> good case for some things, availability of "let" and "WeakMap" is pretty >>>> compelling in --harmony. For the things it can address/shim, es6-shim looks >>>> like a good solution. >>> >>> >>> Ugh >>> Again, everything I said _still_ stands: the semantics of let are still >>> incomplete (temporal dead zone discussion) and there is a serious backward >>> compatible syntax issue yet to be resolved (let is not reserved and let >>> destructuring is ambiguous with dereferenced let identifiers). >>> >> >> +1. Additionally, `let` is not bound correctly in loop block heads with >> --harmony; in ES6 for (let x; ;) or for (let x in y) will create a fresh >> per-loop binding. This is a rather serious semantic change, so yet another >> reason for Rick's warning. >> >> Also, just tested this because I had a suspicion it might be the case: >> the semantics and syntax for `const` are quite borked, with no errors >> thrown on assignment and no syntax errors upon uninitialized const >> declarations (i.e. `const x;` instead of `const x = 10;`). >> > > Nice find—are there bugs filed? > > Rick > > > >> -- >> Job Board: http://jobs.nodejs.org/ >> Posting guidelines: >> https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines >> You received this message because you are subscribed to the Google >> Groups "nodejs" group. >> To post to this group, send email to [email protected] >> To unsubscribe from this group, send email to >> [email protected] >> For more options, visit this group at >> http://groups.google.com/group/nodejs?hl=en?hl=en >> > -- > Job Board: http://jobs.nodejs.org/ > Posting guidelines: > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines > You received this message because you are subscribed to the Google > Groups "nodejs" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/nodejs?hl=en?hl=en > -- Job Board: http://jobs.nodejs.org/ Posting guidelines: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines You received this message because you are subscribed to the Google Groups "nodejs" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nodejs?hl=en?hl=en
