Beispiele

puts -199.abs                              #=> 199
puts 'Chunky Bacon!'.length                #=> 13
puts 'ruby is cool.'.index 'u'             #=> 1
puts %q{Nice Day Isn't It?}.downcase.split('').uniq.sort.join
                                            #=> ' ?acdeinsty
            

class Fixnum
  def + other
    self - other
  end
end

p 5 + 3  #=> 2
p 5.+(3) #=> 2
            

def foo
  'klar!'
end

if a = foo
  puts a
end

b = if true
  'natürlich!'
end

puts b
puts 'klar' if true
            

(1..100).each do |i|
  puts i
end
            

def double &block
  block.call
  block.call
end

double do
  puts 'Hi!'   #=> Hi!
end            #=> Hi!
            

describe MySum do
  it "performs a sum" do
    sum = MyClass.add 1, 1
    sum.should == 2
  end
end
            

require 'sinatra'

get '/hi' do
  'Hello World!'
end
          

doc 'The schedule of a single station grouped by playlists.'
doc :example, 'http://HOSTNAME/station/deepgroove/playlists'
doc :parameters, {station_name: '[\w\d_\-]+'}
doc :key, '/station/{station_name}/playlists'
get %r{\A/station/([\w\d_\-]+)/playlists\Z} do |name|
  expires schedule_expiration, :public, :must_revalidate
  RedisStore::Playlists.find(name)
end