From: "Pablo C." <pablohstc@...>
Date: 2010-11-20T02:57:53+09:00
Subject: Re: method signature - do I use named parameters OR pass a hash

Option 3

     - def this_method (required_param, options = {})

   - a = this_method ('required value', :time => 11)

Option 4

   - def this_method (params = {:time => 'default value', :search_string 
=> 'default value})

   - a = this_method (:time => 11)

I prefer this approach to use hash params (named hashed params). It's 
easier to know the method's parameters, you don't need read the method 
body, to knows the parameters names

It's easier to implement tests (TDD), you don't have N possibilities to 
the parameteres, because you have default values

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