2008-07-29

I didn't know you could combine postfixes...

irb(main):009:0> 1 if true unless false
=> 1
irb(main):010:0> 1 if true unless true
=> nil
irb(main):011:0> 1 if false unless false
=> nil
irb(main):012:0> 1 if false unless true
=> nil