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@kaisellgren
Created April 29, 2014 08:13
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def kaiFold[A, B](stuff: Seq[A], initial: B)(predicate: (B, A) => B): B = {
@tailrec
def it(items: Seq[A], accumulator: B): B = {
if (items.length == 0) accumulator
else {
val nextAccumulator = predicate(accumulator, items.head)
it(items.tail, nextAccumulator)
}
}
it(stuff, initial)
}
val stuff = Vector(1, 2, 3)
kaiFold(stuff, 0)((p: Int, e: Int) => p + e)
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