From: Farrel Lifson <farrel.lifson@...>
Date: 2006-08-11T21:56:54+09:00
Subject: Re: Need to understand code

On 11/08/06, junkone1@gmail.com <junkone1@gmail.com> wrote:
> This is an extract from
> http://www.codeforpeople.com/lib/ruby/arrayfields/arrayfields-3.5.0/README
> that i am trying to understand.
>
>
>
> relation = pgconn.query sql
>     relation.size                #=> 65536
>
>     # yikes! do we really want to re-construct a hash for for each
> tuple when
>     # we already have Arrays?
>
>     fields = %w(ssn name position)
>     table.each{|tuple| tuple.fields = fields}
>
>     tuples[34578]['ssn']         #=> 574865032
>
> What does this term mean %w.......
>
>
>

%w(ssn name position) is the same as ["ssn", "name", position"]

Farrel