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There’s a Portugese translation by Rodrigo Martins if you prefer. A quick summary of some of the new features of Ruby 2.0.0: Language Changes Keyword arguments 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 # Ruby 1.9: # (From action_view/helpers/text_helper.rb) def cycle(first_value, *values) options = values.extract_options! name = options.fetch(:name, 'default') # ... end # Ruby 2.0: def
In computer programming, named parameters or keyword arguments refer to a computer language’s support for function calls that clearly state the name of each parameter within the function call itself. © Wikipedia Right now (I mean in Ruby <= 1.9.3) you can ‘emulate’ it with passing a hash as an argument to a method: 1 2 3 4 5 def foo(options = {}) puts "#{options[:bar]} #{options[:buz]}" end foo(ba
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