From: Marcello Barnaba <bofh@...>
Date: 2007-02-15T04:47:56+09:00
Subject: Re: Drying a ternary condition

Hi,

On Wednesday 14 February 2007 20:30, Robert Klemme wrote:
> On 14.02.2007 19:18, Marcello Barnaba wrote:
> > How would you write the following statement:
> >
> > klass.send((ARGV[0] || :up).to_sym == :up ? :up : :down)

> The only idea I have so far is longer but less complex structured IMHO:

> klass.send( case ARGV[0] when "up", nil then :up else :down end )

I like it: i was trying to achieve the same semantics with fewer :up symbols. 
Furthermore, avoiding the ?: operator is an added benefit for readability. 

thank you
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