From: Han Holl <han.holl@...>
Date: 2005-12-07T00:16:06+09:00
Subject: Re: Good Ruby Examples?

------=_Part_8662_17263991.1133882159467
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline

On 12/6/05, Wayne Vucenic <nightphotos@gmail.com> wrote:
>
> Hi Hampton,
>
>
> My favorite is the well-known quicksort algorithm:
>
> def quicksort(a)
>   return a if a.size <=3D 1
>   pivot =3D a[0]
>   quicksort(a.select {|i| i < pivot }) +
>             a.select {|i| i =3D=3D pivot } +
>   quicksort(a.select {|i| i > pivot })
> end
>
> quicksort is "hell" to write in C or C++ unless you're extremely clever.
>
> Wayne Vucenic
> No Bugs Software
> "Ruby and C++ Agile Contract Programming in Silicon Valley"
>
>
And then demonstrate how this actually works with all kinds of objects that
implement the comparison operators .
Nice duck typing example.

Han

------=_Part_8662_17263991.1133882159467--