Why on Earth does C++ have two separate data types for sets and "unordered sets"
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@qntm they're optimized for different access patterns. Depending on how you use them, one or the other will be faster.
@hobbified You don't understand. In all other universes, sets are unordered by definition
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@qntm not all universes, just the math universe. The elements are ∗orderable∗, the question is whether you get them back in order or not. -
@qntm (we're dealing with a finite collection of things represented as a finite number of bits, so an order must exist) - 6 more replies
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