On Wed, Jul 17, 2013 at 8:43 AM, jmar777 <jmar...@gmail.com> wrote: > Also, FWIW, the LTR version reads much more naturally to me. Happy about > that change.
Same here :) > > > On Wednesday, July 17, 2013 8:42:40 AM UTC-4, jmar777 wrote: >> >> > Here are the notes from the meeting when this was discussed: >> https://github.com/**rwldrn/tc39-notes/blob/master/** >> es6/2013-01/jan-31.md#**comprehensionsgenerator-syntax<https://github.com/rwldrn/tc39-notes/blob/master/es6/2013-01/jan-31.md#comprehensionsgenerator-syntax> >> >> Ahh, thanks for the clarification. So, hopefully correct this time, the >> previous example should have really been: >> >> [for (url of getURLs()) xhrGet(url)] >> >> ? >> >> On Tuesday, July 16, 2013 7:38:56 PM UTC-4, Rick Waldron wrote: >>> >>> >>> >>> >>> On Tue, Jul 16, 2013 at 9:13 AM, jmar777 <jma...@gmail.com> wrote: >>> >>>> > That for...of syntax is very nice, is it an official part of >>>> ECMAScript 6? >>>> >>>> Yes, although it's not implemented in V8 just yet. Once for-of and >>>> generator-expressions are implemented, a lot of these operations will >>>> become a lot nicer at the language level (rather than relying on cludgy >>>> `suspend.map()` or whatever helpers). >>>> >>>> Here's an example from the ES6 Wiki [1]: >>>> >>>> (xhrGet(url) for (url of getURLs())) // hawt >>>> >>>> [1] http://wiki.ecmascript.org/**doku.php?id=harmony:generator_** >>>> expressions<http://wiki.ecmascript.org/doku.php?id=harmony:generator_expressions> >>>> >>> >>> Caution!!! >>> >>> *"This proposal has progressed to the Draft ECMAScript 6 Specification, >>> which is available for review here: specification_drafts. Any new issues >>> relating to them should be filed as bugs at http://bugs.ecmascript.org. >>> The content on this page is for historic record only and may no longer >>> reflect the current state of the feature described within"* >>> >>> I added this to every wiki proposal that is now in the spec—in this >>> case, the generator expression syntax is backwards! >>> >>> In the spec draft... >>> >>> GeneratorComprehension : >>> ( Comprehension ) >>> >>> >>> And Comprehension is defined in ArrayComprehension >>> >>> Comprehension : >>> ComprehensionFor ComprehensionQualifierTail >>> >>> ComprehensionQualifierTail : >>> AssignmentExpression >>> ComprehensionQualifier ComprehensionQualifierTail >>> >>> ComprehensionQualifier : >>> ComprehensionFor >>> ComprehensionIf >>> >>> ComprehensionFor : >>> for (ForBinding of AssignmentExpression ) >>> >>> ComprehensionIf : >>> if ( AssignmentExpression ) >>> >>> >>> ForBinding : >>> BindingIdentifier >>> BindingPattern >>> >>> >>> Here are the notes from the meeting when this was discussed: >>> https://github.com/**rwldrn/tc39-notes/blob/master/** >>> es6/2013-01/jan-31.md#**comprehensionsgenerator-syntax<https://github.com/rwldrn/tc39-notes/blob/master/es6/2013-01/jan-31.md#comprehensionsgenerator-syntax> >>> >>> >>> Rick >>> >>> >>> >>> >>>> On Tuesday, July 16, 2013 2:36:44 AM UTC-4, cpprototypes wrote: >>>>> >>>>> The code sample I posted was a simplified example to demonstrate the >>>>> issue. The actual command line script I was working on uses the response >>>>> from the get request for other things. That for...of syntax is very nice, >>>>> is it an official part of ECMAScript 6? >>>>> >>>>> >>>>> On Friday, July 12, 2013 2:47:28 PM UTC-7, cpprototypes wrote: >>>>>> >>>>>> I'm using node 0.11.3 with --harmony-generators to try the new >>>>>> feature. I found two libraries that should help use existing node >>>>>> callback-based code with generators (suspend and galaxy). The code I'm >>>>>> trying to run was similar to the following: >>>>>> >>>>>> (using suspend) >>>>>> >>>>>> var fs = require('fs'); >>>>>> var request = require('request'); >>>>>> >>>>>> suspend(function* (resume) { >>>>>> var contents = yield fs.readFile('idList.json', 'utf8', resume); >>>>>> contents.split('\n').forEach(**f**unction(id) { >>>>>> var info = yield request.get('http://www.**exampl** >>>>>> e.com?id='+id <http://www.example.com?id='+id>, resume); >>>>>> }); >>>>>> })(); >>>>>> >>>>>> (using galaxy) >>>>>> >>>>>> var galaxy = require('galaxy'); >>>>>> var fs = galaxy.star(require('fs')); >>>>>> var request = galaxy.star(require('request')****); >>>>>> >>>>>> function* main() { >>>>>> var contents = yield fs.readFile('idList.json', 'utf8'); >>>>>> contents.split('\n').forEach(**f**unction(id) { >>>>>> var info = yield request.get('http://www.**exampl** >>>>>> e.com?id='+id <http://www.example.com?id='+id>); >>>>>> }); >>>>>> }; >>>>>> >>>>>> galaxy.unstar(main)(function(**e**rr, result) { >>>>>> console.log('done'); >>>>>> }); >>>>>> >>>>>> Using either library, when node tries to execute the get request >>>>>> ("var info = yield request.get...") it exits with the following error: >>>>>> >>>>>> SyntaxError: Unexpected identifier >>>>>> >>>>>> And the error highlights the "request" part in "var info = yield >>>>>> request.get..." I'm guessing that the creation of the new function scope >>>>>> in the forEach is somehow causing an issue. But I'm not sure why it's >>>>>> not >>>>>> working. >>>>>> >>>>>> >>>>>> -- >>>> -- >>>> Job Board: http://jobs.nodejs.org/ >>>> Posting guidelines: https://github.com/joyent/**node/wiki/Mailing-List- >>>> **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 nod...@googlegroups.com >>>> To unsubscribe from this group, send email to >>>> nodejs+un...@googlegroups.com >>>> For more options, visit this group at >>>> http://groups.google.com/**group/nodejs?hl=en?hl=en<http://groups.google.com/group/nodejs?hl=en?hl=en> >>>> >>>> --- >>>> You received this message because you are subscribed to the Google >>>> Groups "nodejs" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to nodejs+un...@googlegroups.com. >>>> For more options, visit >>>> https://groups.google.com/**groups/opt_out<https://groups.google.com/groups/opt_out> >>>> . >>>> >>>> >>>> >>> >>> -- > -- > 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 nodejs@googlegroups.com > To unsubscribe from this group, send email to > nodejs+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/nodejs?hl=en?hl=en > > --- > You received this message because you are subscribed to the Google Groups > "nodejs" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to nodejs+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- -- 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 nodejs@googlegroups.com To unsubscribe from this group, send email to nodejs+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/nodejs?hl=en?hl=en --- You received this message because you are subscribed to the Google Groups "nodejs" group. To unsubscribe from this group and stop receiving emails from it, send an email to nodejs+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
