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Joshua Bloch: "Nearly All Binary Searches Broken"This amusing discussion is coming up all over the place. Notice that a language with slightly different semantics would "solve" this problem, or at least mitigate the problem: All you need is to have range constraints on integers, thus not allowing the numbers to overflow unnoticed. This is the standard out of the box behaviour of Ada, for example. So another way to view this is as a question of finding good default behaviour for programming languages (you can suppress the range checks in Ada, if you *really* want to). |
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