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Class configuration using OpenStruct

View config_example_open_struct.rb
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require 'ostruct'
 
module Awesome
def self.config
@config
end
 
def self.configure
yield(config)
end
 
class Configuration < OpenStruct ; end
 
@config = Configuration.new
end
 
Awesome.configure do |a|
a.magic_number = 3
end
 
puts Awesome.config.magic_number
# => 3
 
puts Awesome.config
# => #<Awesome::Configuration magic_number=3>
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