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#1253 — Comprehensions/Generator Syntax: RTL -> LTR change.

• bug_id: 1253
• creation_ts: 2013-02-12 05:58:00 -0800
• short_desc: Comprehensions/Generator Syntax: RTL -> LTR change.
• delta_ts: 2013-05-14 18:13:02 -0700
• product: Draft for 6th Edition
• component: new feature
• version: Rev 13: December 21, 2012 Draft
• rep_platform: All
• op_sys: All
• bug_status: RESOLVED
• resolution: FIXED
• priority: Normal
• bug_severity: enhancement
• everconfirmed: true
• reporter: Rick Waldron
• assigned_to: Allen Wirfs-Brock

---

• commentid: 3193
• comment_count: 0
• who: Rick Waldron
• bug_when: 2013-02-12 05:58:06 -0800

Per Jan 2013 resolution:

-All agree on RTL -> LTR change.

Dave Herman's proposal is here: https://gist.github.com/dherman/b250d1fad15dbb5f77a5


Grammar:

ArrayLiteral ::= ... | "[" Comprehension "]"
PrimaryExpression ::= ... | "(" Comprehension ")"
Comprehension ::= ForComprehensionClause ComprehensionClause* Expression
ComprehensionClause ::= ForComprehensionClause
| IfComprehensionClause
ForComprehensionClause ::= "for" "(" LHSExpression "of" Expression ")"
IfComprehensionClause ::= "if" "(" Expression ")"




https://github.com/rwldrn/tc39-notes/blob/master/es6/2013-01/jan-31.md#comprehensionsgenerator-syntax

---

• commentid: 3302
• comment_count: 1
• who: Allen Wirfs-Brock
• bug_when: 2013-03-07 15:13:52 -0800

syntax update in rev 14

semantics still need to be incorporated into spec.

---

• commentid: 3850
• comment_count: 2
• who: Allen Wirfs-Brock
• bug_when: 2013-05-14 10:48:34 -0700

fixed in rev15 editor's draft

---

• commentid: 3868
• comment_count: 3
• who: Allen Wirfs-Brock
• bug_when: 2013-05-14 18:13:02 -0700

resolved in rev 15, May 14, 2013 draft