From: Zayd Abdullah <devrubygem@...>
Date: 2009-02-04T03:52:00+09:00
Subject: Re: 1.9.1?

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So since these changes have been made, will us noobs be hurting ourselves
starting off learning 1.8.6? Books to learn from are teaching from 1.8.

thanks

2009/2/3 Rados=B3aw Bu=B3at <radek.bulat@gmail.com>

>  On Tue, Feb 3, 2009 at 6:14 PM, yuckysocks <alex.m.mcpherson@gmail.com>
> wrote:
> > Hi there,
> >
> > I'm about 2 weeks into my learning attempt at Ruby (1.8.6 is what I've
> > cut my teeth on).
> >
> > Can someone give me a rational assessment of the differences between
> > the two language versions, and which one I should continue to pursue?
> >
> > I'm mainly using Ruby with Rails to make basic webapps for my own
> > edification.
> >
> > Thanks!
> >
> > Alex
> >
> >
>
> Very short answer:
> - new virtual machine (previously just AST interpreter)
> - memory diet for some objects (Object, Array, String etc)
> - improved speed (see
>
> http://antoniocangiano.com/2008/12/09/the-great-ruby-shootout-december-20=
08/
> )
> - added character encoding support (previously works only with raw bytes)
> - new syntax for hashes with symbols as keys, hashes preserve keys order
> - many changes to API (improved, added consistency, removed deprecated co=
de
> etc)
> - changes in language semantics (for example block arguments now works
> (almost?) the same as method arguments)
> - new lambda literal:  ->
> - external iterators (class Enumerator) now are built in
> - new concept such a fiber (class Fiber)
> - native threads (but with GIL like python)
> - rubygems, rake are built in
> - minitest supercedes old test/unit
>
>
> --
> Pozdrawiam
>
> Rados=B3aw Bu=B3at
> http://radarek.jogger.pl - m=F3j blog
>
>

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