This idiocy "if two have distinct single provenance, the result has empty provenance" invalidates real code w/no althttps://twitter.com/bmastenbrook/status/725048588053655554 …
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Replying to @RichFelker
As a particular example, it seems to make it impossible to implement https://en.wikipedia.org/wiki/XOR_linked_list …
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Replying to @RichFelker
@RichFelker Another case is a swap of pointers via xors. But are you sure this is an example of real code?1 reply 0 retweets 0 likes -
Replying to @RichFelker
@ch3root In-place algorithms on data structures where you only have one modifiable pointer-size slot.3 replies 0 retweets 0 likes
@ch3root "XOR swap" on the other hand is cargo-cult-"optimization" BS.
4:31 PM - 27 Apr 2016
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