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use doAssert in rotateLeft example

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Arne Döring 2017-08-17 13:34:03 +02:00
commit 484f729e27
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lib/pure/algorithm.nim
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@ -445,7 +445,7 @@ proc rotateLeft*[T](arg: var openarray[T]; slice: Slice[int]; dist: int): int =
## .. code-block:: nim
## var list = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
## list.rotateLeft(1 .. 8, 3)
## echo @list # @[0, 4, 5, 6, 7, 8, 1, 2, 3, 9, 10]
## doAssert list == [0, 4, 5, 6, 7, 8, 1, 2, 3, 9, 10]
let sliceLen = slice.b + 1 - slice.a
let distLeft = ((dist mod sliceLen) + sliceLen) mod sliceLen
arg.rotateInternal(slice.a, slice.a+distLeft, slice.b + 1)