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A comment on My favorite Rust function. Parent comment

Re:My favorite Rust function by lpghatguy on Saturday October 12, 2019 @10:25PM (#21237878)
This code compiles just fine. It doesn't do anything since immutable references are Copy, and so dropping them doesn't do anything.

https://play.rust-lang.org/?version=stable&mode=debug&editio...

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Re:My favorite Rust function by hathawsh on Saturday October 12, 2019 @10:31PM (#21237912)
Oh right, I forgot about the interaction with generics in this case. Semantically, I suppose it's creating and dropping a reference 4 times.
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