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djspiewak/gist:468ea0b9644938fc20ec

Last active August 29, 2015 14:02
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gistfile1.txt
scala> val M = implicitly[Monad[Task]]
M: scalaz.Monad[scalaz.concurrent.Task] = scalaz.concurrent.Task$$anon$1@d55df51
scala> var x = 0
x: Int = 0
scala> M point { x += 1 }
res0: scalaz.concurrent.Task[Unit] = scalaz.concurrent.Task@3f4898c5
scala> x
res1: Int = 1
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