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@eyston
Created May 12, 2011 22:30
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// Scala's for comprehensions can be used like Haskell's do notation for monadic code, ie. its a compact way to string together computations sequentially.
val f = for {
a <- Future(10 / 2) // 10 / 2 = 5
b <- Future(a + 1) // 5 + 1 = 6
c <- Future(a - 1) // 5 - 1 = 4
} yield b * c // 6 * 4 = 24
val result = f.get()
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