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Interesting use of fluid interfaces?

I'm wondering where and when fluid interfaces are a good idea, so I'm looking for examples. So far I have only found 3 useful cases for example. Ruby collections like

unique_words = File.read("words.txt").downcase.split.sort.uniq.length

and Fest (Java) for unit testing:

assertThat(yoda).isInstanceOf(Jedi.class)
    .isEqualTo(foundJedi)
    .isNotEqualTo(foundSith);

and JMock . Do you know of other good examples that use a fluent interface?

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4 answers


jQuery . :)



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StringBuilder: http://msdn.microsoft.com/en-us/library/system.text.stringbuilder(VS.71).aspx Or



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RSpec . Example from the main page:

# bowling_spec.rb
require 'bowling'

describe Bowling do
  before(:each) do
    @bowling = Bowling.new
  end

  it "should score 0 for gutter game" do
    20.times { @bowling.hit(0) }
    @bowling.score.should == 0
  end
end
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  • Ninject: http://www.ninject.org

  • For an example that doesn't come from general purpose libraries, I've created an auto regression set for the tuning wizard. I created a state machine that fills in the values ​​on the wizard page, checks that the values ​​are acceptable, and then proceeds to the next page. The code for each step in the target machine looks like this:

    step.Filler () Fill () Check () GoForward (); ...

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