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A comment on A fun optimization trick from rsync. Parent comment

Re:A fun optimization trick from rsync by geezerjay on Monday October 29, 2018 @04:14AM (#18325777)
To my eyes it also looked like a Duff's device which kept track of the successful state.
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Re:A fun optimization trick from rsync by Piskvorrr on Monday October 29, 2018 @07:00AM (#18326416)
Yup. First thing that popped into my mind - with Duff's observation following shortly thereafter. Clever...too clever by half, IMNSHO.
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