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@douglascamata
Created April 26, 2013 06:02
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Another solution to this post (http://jumpstartlab.com/news/archives/2013/04/23/the-death-of-ifs) problem: use Ruby Not using objects.
def start
command = ""
commands = default_commands
add_command(commands, "follow", "following")
while command != "q"
printf "enter command: "
command = gets.chomp
process(command, commands)
end
end
def default_commands
commands = Hash.new
commands[:q] = "Goodbye"
commands[:tweet] = "tweeting"
commands[:dm] = "direct messaging"
commands[:help] = "helping"
commands
end
def add_command(commands, input, output)
commands[input.to_sym] = output
commands
end
def process(input, commands)
puts commands[input.to_sym]
end
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