9 lines
307 B
Rust
9 lines
307 B
Rust
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pub fn contains_duplicate(numbers: Vec<i32>) -> bool {
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// Uncomment FromIterator in Leetcode since they're using Rust Edition 2018.
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// Edition 2021 has this trait in its prelude.
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// use std::iter::FromIterator;
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std::collections::HashSet::<_>::from_iter(numbers.iter()).len()
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!= numbers.len()
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}
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