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AITP Ruby And Rails Talk

by jasondew on Aug 07, 2008

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AITP Ruby And Rails Talk — Presentation Transcript

Ruby and Rails Jason Dew
Ruby
pure OO
42.methods.sort
beautiful
def fib n return 0 unless n > 0 return 1 if [1,2].include? n fib(n-1) + fib(n-2) end puts fib(10) # => 55
Symbols
roygbiv = [:red, :orange, :yellow, :green, :blue, :indigo, :violet] some_hash = { :bar => bar, :life => 42 }
blocks
array = [42, bar, [x]] result = array.map do |element| element * 2 end puts result.inspect # => [84, barbar, [x, x]]
classes