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built scores table

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This commit is contained in:
Hariettemaina 2023-05-18 16:34:30 +03:00
parent f19c9d9552
commit 3707571685
1 changed files with 20 additions and 5 deletions
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25
exercises/hashmaps/hashmaps3.rs
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@ -25,6 +25,7 @@ struct Team {
goals_conceded: u8,
}
fn build_scores_table(results: String) -> HashMap<String, Team> {
// The name of the team is the key and its associated struct is the value.
let mut scores: HashMap<String, Team> = HashMap::new();
@ -35,15 +36,29 @@ fn build_scores_table(results: String) -> HashMap<String, Team> {
let team_1_score: u8 = v[2].parse().unwrap();
let team_2_name = v[1].to_string();
let team_2_score: u8 = v[3].parse().unwrap();
// TODO: Populate the scores table with details extracted from the
// current line. Keep in mind that goals scored by team_1
// will be number of goals conceded from team_2, and similarly
// goals scored by team_2 will be the number of goals conceded by
// team_1.
let team_1 = scores.entry(team_1_name.clone()).or_insert(Team {
name: team_1_name.clone(),
goals_scored: 0,
goals_conceded: 0,
});
team_1.goals_scored += team_1_score;
team_1.goals_conceded += team_2_score;
let team_2 = scores.entry(team_2_name.clone()).or_insert(Team {
name: team_2_name.clone(),
goals_scored: 0,
goals_conceded: 0,
});
team_2.goals_scored += team_2_score;
team_2.goals_conceded += team_1_score;
}
scores
}
#[cfg(test)]
mod tests {
use super::*;