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by getnormality
523 days ago
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I don't see why this is weird. Unique means no duplicates. Nulls can't be duplicates of each other because they're not equal to each other. If you don't like null semantics, you're free to use sentinel values. You can make all the sentinel values the same, or you can make them all different. Either way, you or someone who has to use your system will be back here tomorrow complaining about how weird it is. |
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