Count Items Matching a Rule LeetCode solution in Rust

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impl Solution {
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  pub fn count_matches(items: Vec<Vec<String>>, rule_key: String, rule_value: String) -> i32 {
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    let mut ans = 0;
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    for item in items.iter() {
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      match rule_key.as_str() {
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        "type" => {
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          if (item[0] == rule_value) {
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            ans += 1
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          }
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        }
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        "color" => {
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          if (item[1] == rule_value) {
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            ans += 1
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          }
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        }
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        "name" => {
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          if (item[2] == rule_value) {
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            ans += 1
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          }
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        }
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        _ => (),
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      }
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    }
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    ans
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  }
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}