Unique function in Rust

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how to remove the duplicate values from a vectors of type f64, please help me out.
How to retrieve the unique elements from the vector of floats using unique and unique by

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You can put them into a HashSet.

let unique_floats: HashSet<_> = floats.iter().copied().collect();

You can also sort and use dedup.

// floats is a vector
floats.sort_by(|a, b| a.partial_cmp(b).expect("NaN in vector"));
floats.dedup();
2 Likes
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If you have a vector that is already sorted, you can use Vec::dedup, Vec::dedup_by, or Vec::dedup_by_key.

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