From: Joel VanderWerf <vjoel@...>
Date: 2003-01-08T01:31:33+09:00
Subject: Re: Hash Syntax

ts wrote:
> "D" == Dominik Werder <dwerder@gmx.net> writes:
> 
> 
> D> The key/value pairs are devided by a linefeed. Can we teach ruby to
> D> understand it also without the comma?
> 
>  Well, if you want to write it
> 
>    h = {
>       'key1' => 'value1'    # no comma
>       'key2' => 'value2'    # no comma
>       'key3' => 'value3'    # no comma
>    }
> 
>  then no, ruby will give a parse error,
> 
> D> I want to generate Hash definitions dynamically by another program and
> D> to omit the commas would be very useful.
> 
>   but you can write it
> 
>    h = {
>       'key1' => 'value1',    # comma
>       'key2' => 'value2',    # comma
>       'key3' => 'value3',    # comma
>    }

If your keys and values are always strings, you can do this:

h = Hash[*%w{
   key1    value1
   key2    value2
   key3    value3
}]