simplay
/ refactoring_using_metaprogrammin.rb
Created
May 20, 2013 14:57
Refactoring in Ruby
using dynamic methods and dynamic dispatch (1)
using dynamic proxy that is also a blank slate (2) source: book - metaprogramming-ruby
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| # given class Computer: refactor me | |
| class Computer | |
| def initialize(computer_id, data_source) | |
| @id = computer_id | |
| @data_source = data_source | |
| end | |
| def mouse | |
| info = @data_source.get_mouse_info(@id) | |
| price = @data_source.get_mouse_price(@id) |