From: Miles Georgi <azimux@...>
Date: 2008-09-06T10:12:51+09:00
Subject: Re: dynamically assigning class constants

there might be a method for specifically creating constants,but if not
you could always do something like this:

module_eval("#{name} = #{i*1000}", __FILE__, __LINE__)


On Fri, Sep 5, 2008 at 4:44 PM, Pete Hodgson <phodgson@lyris.com> wrote:
> Apologies, s/Comparable/Level/ in the example code.
>
> Pete Hodgson wrote:
>>
>> Hi folks,
>>
>> I have a class definition as follows:
>>
>> class Level
>>    attr_reader :name, :rank
>>    def initialize( name, rank )
>>      @name, @rank = name, rank
>>    end
>>
>>    TRACE = Comparable.new( :TRACE, 1000 )
>>    DEBUG = Comparable.new( :DEBUG, 2000 )
>>    INFO = Comparable.new( :INFO, 3000 )
>>    # etc
>> end
>>
>> and I'd like to define the constants in a more ruby-esque way; something
>> like:
>>
>>  class Level
>>    attr_reader :name, :rank
>>    def initialize( name, rank )
>>      @name, @rank = name, rank
>>    end
>>
>>    %w{TRACE DEBUG INFO CHANGE WARN ERROR FATAL}.each_with_index do
>> |name,i|
>>      clever_dynamic_hackery( name, Comparable.new( name.to_sym, i*1000 ) )
>>    end
>>
>>  end
>>
>>
>> but I don't know what that clever_dyanamic_hackery method should
>> actually be. Any one want to show me the light?
>>
>> Cheers,
>> Pete
>>
>>
>
>