Consecutive Characters LeetCode solution in Rust

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impl Solution {
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  pub fn max_power(s: String) -> i32 {
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    s.into_bytes()
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      .windows(2)
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      .scan(1, |s, x| {
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        *s = if x[0] == x[1] { *s + 1 } else { 1 };
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        Some(*s)
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      })
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      .max()
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      .unwrap_or(1)
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  }
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}