Created
June 5, 2015 05:50
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foldLeft
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| /** | |
| * foldLeft | |
| */ | |
| List(1, 2, 3, 4, 5).foldLeft(0) { (totalSofar, current) => | |
| totalSofar + current | |
| } | |
| List(1, 2, 3, 4, 5).foldLeft(List[Int]())((b, a) => a :: b) | |
| val rr : Range = 1 to 10 | |
| rr.foldLeft(0)(_ + _) // sum | |
| rr.foldLeft(1)(_ * _) // product | |
| rr.foldLeft(0)((c, _) => c + 1) // count | |
| rr.foldLeft(0)(_ + _) / rr.foldLeft(0)((c, _) => c + 1) // average |
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