A Narcissus implementation of various object literal extensions

Rick Waldron waldron.rick at gmail.com
Mon Aug 15 11:58:23 PDT 2011

I've been playing with this:


which has a web interface to try out code examples here:



On Mon, Aug 15, 2011 at 1:31 PM, Allen Wirfs-Brock <allen at wirfs-brock.com>wrote:

> In the fork of Narcissus at https://github.com/allenwb/narcissus I have
> implemented various ES.next proposals (and a couple not yet proposals) for
> enhanced object literal support.  the extensions include:
> * Concise Method Properties in Object Literals
> * Comma Optional After Method and Accessor Properties in Object Literals
> * The <| Operator
> *  Object Extension Literals using .{
> *  super References in Methods
> *  Computed Property Names in Object Literals Property Definitions
> (see
> https://github.com/allenwb/narcissus/blob/master/harmony-extensions.md for
> more details on the specific extensions)
> With these extensions I am able to "compile" the version of my Smalltalk
> Collection classes experiment that is at
> https://github.com/allenwb/ESnext-experiments/blob/master/exp1-nc-narcissus.js
> The best way to evaluate new language features is to actually use
> them. Please feel free to install this of Narcissus and try using the njs
> shell to write and run some code that uses these new features and then give
> us your feedback.
> Allen
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