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benburry/gist:10470772

Created April 11, 2014 13:53
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gistfile1.rb
irb(main):008:0> roles = ['one', 'two']
=> ["one", "two"]
irb(main):009:0> roles.include? 'one' && true
=> false
irb(main):010:0> roles.include? 'one' and true
=> true
irb(main):011:0> roles.include?('one') && true
=> true
irb(main):012:0> roles.include? true && 'one'
=> true
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