Function main

1773-count-items-matching-a-rule.rs:5–18

()

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fn main() {
    let items = vec!(
        vec!("phone","blue","pixel"),
        vec!("computer","silver","lenovo"),
        vec!("phone","gold","iphone")).into_iter().map(|a|
            a.into_iter().map(|b|
                b.to_string()
            ).collect()
        ).collect();
    let rule_key = "color".to_string();
    let rule_value = "silver".to_string();
    let res = count_matches(items, rule_key, rule_value);
    println!("{:?}", res);
}

pub fn count_matches(items: Vec<Vec<String>>, rule_key: String, rule_value: String) -> i32 {
    let mut res = 0;