From: Peter Alvin <form@...>
Date: 2008-09-23T20:50:13+09:00
Subject: Optionally pass a parameter?

In general, how do you optionally pass an optional qualifier to a Ruby
def?

For example, for some model in Rails, like this:

MyDBClass.find(:all, ...

How do I optionally add a condition?  This generates a syntax error:

some_test ? :conditions => "id=100" : nil,

I guess it doesn't like that I only want to add the :conditions
occasionally.  What is the Ruby best practice or idiom for this?

Pete
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