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by tomp
1544 days ago
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> This is especially bad if you want the data structure to be shared across multiple threads. Just iterating over a tree now requires taking and releasing oodles of locks. Um, what? Persistent data structures don't require locks at all (because they're immutable), in fact using them in a multithreaded way is 100% safe and thus much easier than their mutable (and ordinarily more efficient) counterparts. |
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