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Miles Sabin's solution is also worth a look: https://gist.github.com/f83892f65f63b14a1f75 It uses dependent types which will be included by default in Scala 2.10. I don't consider this as "simple" but my point of view…
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Miles Sabin's solution is also worth a look: https://gist.github.com/f83892f65f63b14a1f75 It uses dependent types which will be included by default in Scala 2.10. I don't consider this as "simple" but my point of view…