Re: Make own type (object) type in javascript.

Path	csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!1.eu.feeder.erje.net!weretis.net!feeder1.news.weretis.net!news.solani.org!.POSTED!not-for-mail
From	Thomas 'PointedEars' Lahn <PointedEars@web.de>
Newsgroups	comp.lang.javascript
Subject	Re: Make own type (object) type in javascript.
Supersedes	<1780528.P01b5vAQSM@PointedEars.de>
Date	Sun, 07 Jun 2015 02:40:27 +0200
Organization	PointedEars Software (PES)
Lines	28
Message-ID	<2283260.pclIp03G5q@PointedEars.de> (permalink)
References	<66362d49-af1e-400b-b026-0e6d9b679f98@googlegroups.com> <87iob0l79e.fsf@bsb.me.uk>
Reply-To	Thomas 'PointedEars' Lahn <cljs@PointedEars.de>
Mime-Version	1.0
Content-Type	text/plain; charset="ISO-8859-1"
Content-Transfer-Encoding	7Bit
X-Trace	solani.org 1433637789 8507 eJwFwQERADEIAzBL7CgtyAH28y/hk3AersAg4sUz2amGTa+yMxDyJNRbM4ksbynRXOK7e38E7RC0 (7 Jun 2015 00:43:09 GMT)
X-Complaints-To	abuse@news.solani.org
NNTP-Posting-Date	Sun, 7 Jun 2015 00:43:09 +0000 (UTC)
User-Agent	KNode/4.14.2
Cancel-Key	sha1:g0ZjFX3AFTZ6QuYR+sFStVqEjes=
X-User-ID	eJwFwQkBwDAIA0BLhK8gpx3Bv4TdhSXyO56RHhvL9iGoyNI+e+HKZ01KCHDHxFpL3htUljQIWIttNYeOHz2WFJw=
Cancel-Lock	sha1:OS9KJKo/lbsMSk+jshP345MUEtY=
X-NNTP-Posting-Host	eJwFwYEBwCAIA7CXoNCq5zCU/09YwpCrV4pKDkd5Ksa+jeDlBBtz4as8yYyqfpANnhn6+P4BEMkQjQ==
Xref	csiph.com comp.lang.javascript:28012

Show key headers only | View raw

Ben Bacarisse wrote:

> jonas.thornvall@gmail.com writes:
>> Is it possible to create an object holding holding 1 bit, 2 bit, 3 bit
>> that still can be treated as a numerical value that can be added and
>> subtracted, without bit operations?
> 
> No.

  var o = {
    valueOf: function () {
      return (+!!this.bit3) * 4 + (+!!this.bit2) * 2 + (+!!this.bit1);
    }
  };

  o.bit2 = 23;
  
  /* 42 */
  40 + o

  /* 23 */ 
  25 - o

-- 
PointedEars
FAQ: <http://PointedEars.de/faq> | SVN: <http://PointedEars.de/wsvn/>
Twitter: @PointedEars2 | ES Matrix: <http://PointedEars.de/es-matrix>
Please do not cc me. / Bitte keine Kopien per E-Mail.

Back to comp.lang.javascript | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

Make own type (object) type in javascript. jonas.thornvall@gmail.com - 2015-06-06 15:11 -0700
  Re: Make own type (object) type in javascript. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-06-07 00:57 +0100
    Re: Make own type (object) type in javascript. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-06-07 01:33 +0100
      Re: Make own type (object) type in javascript. jonas.thornvall@gmail.com - 2015-06-06 17:37 -0700
      Re: Make own type (object) type in javascript. jonas.thornvall@gmail.com - 2015-06-06 17:50 -0700
        Re: Make own type (object) type in javascript. jonas.thornvall@gmail.com - 2015-06-06 18:03 -0700
          Re: Make own type (object) type in javascript. jonas.thornvall@gmail.com - 2015-06-06 18:07 -0700
        Re: Make own type (object) type in javascript. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-06-07 10:19 +0100
          Re: Make own type (object) type in javascript. jonas.thornvall@gmail.com - 2015-06-07 04:09 -0700
    Re: Make own type (object) type in javascript. Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-06-07 02:40 +0200

csiph-web