Find the Distance Value Between Two Arrays LeetCode solution in Rust

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impl Solution {
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  pub fn find_the_distance_value(arr1: Vec<i32>, mut arr2: Vec<i32>, d: i32) -> i32 {
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    arr2.sort_unstable();
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    arr1.iter().fold(0, |res, &x| {
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      res + (arr2.iter().all(|&y| (x - y).abs() > d) as i32)
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    })
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  }
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}