pub fn contains_nearby_duplicate(numbers: Vec<i32>, range: i32) -> bool {
  // Uncomment FromIterator in Leetcode since they're using Rust Edition 2018.
  // Edition 2021 has this trait in its prelude.

  // use std::iter::FromIterator;
  fn contains_duplicate(numbers: &[i32]) -> bool {
    std::collections::HashSet::<_>::from_iter(numbers).len() != numbers.len()
  }

  contains_duplicate(&numbers)
    && numbers
      .as_slice()
      .windows(std::cmp::min((range + 1) as usize, numbers.len()))
      .any(contains_duplicate)
}