Were 'const functions' ever accepted into the grammar? See WeakMap for an
example.
________________________________
From: Allen Wirfs-Brock <[email protected]>
To: [email protected]
Sent: Friday, September 23, 2011 10:21 AM
Subject: New "ES6" Working Draft
I have updated the wiki with my latest working draft of the ES.next ("ESA6")
spec.
Word and PDF versions are available.
They can be access
from http://wiki.ecmascript.org/doku.php?id=harmony:specification_drafts
Please report issues
using https://bugs.ecmascript.org/enter_bug.cgi?product=Draft%20for%206th%20Edition against
the "September 23, 2011 Draft"
Changes in this draft are generally marked with "Rev 3"
The change summary is:
* Resolved as fixed bugs 137, 140,167, 177,
183,184,185,186,187,188,189,190,191,193,196,196
* Merged multiple built-in “class” branding internal properties into a
single [[NativeBrand]] internal property
* In 10.2, change environment records so that both mutable and
immutable bindings may be in an initialized
state and must be initialized before use via InitializeBinding
* In 10.5 added separate algorithm
for Block declaration instantiation. Block level declaration
instantiations now specified. Function and global level still need to
be updated to support let and const
* Added a Declaration production to the grammar and changed
StatementList to include both Statement and Declaration
* Added let and const declarations. var declarations still hoist to
function level and must not conflict with a let or const.
* Hoisting and temporal dead zone for all block scoped declarations
* Added semantics for destructuring binding pattern.
* Added appropriate lexical scoping
for declarations in bodies of switch and try statements. Note that for
statements still need work for declarations in for head.
* Added initializes for individual property level bindings in
destructure binding
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