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A comment on Why use Rust on the back end?. Parent comment

Re:Why use Rust on the back end? by jdjb on Monday March 20, 2023 @06:07PM (#35239457)
The HashSet would be the owner of the IP address type. Your function would call the "take" method of the HashSet to take ownership of the IP address. Now the IP address cannot go back into the HashSet unless you give ownership back and no other thread/caller can take ownership.
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