jarjar/rustlings
1
0
Fork 0
mirror of https://github.com/rust-lang/rustlings.git synced 2026-06-29 15:58:45 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix: bring solution in line with exercise

Browse Source
This commit is contained in:
hippietrail 2026-06-22 18:23:25 +08:00
parent 6e31382996
commit ab91098fda
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
solutions/11_hashmaps/hashmaps3.rs
View File

@ -2,7 +2,7 @@
// the form "<team_1_name>,<team_2_name>,<team_1_goals>,<team_2_goals>" // the form "<team_1_name>,<team_2_name>,<team_1_goals>,<team_2_goals>"
// Example: "England,France,4,2" (England scored 4 goals, France 2). // Example: "England,France,4,2" (England scored 4 goals, France 2).
// //
// You have to build a scores table containing the name of the team, the total // You have to build a table of scores containing the name of the team, the total
// number of goals the team scored, and the total number of goals the team // number of goals the team scored, and the total number of goals the team
// conceded. // conceded.
@ -15,13 +15,13 @@ struct TeamScores {
goals_conceded: u8, goals_conceded: u8,
} }
fn build_scores_table(results: &str) -> HashMap<&str, TeamScores> { fn build_score_table(results: &str) -> HashMap<&str, TeamScores> {
// The name of the team is the key and its associated struct is the value. // The name of the team is the key and its associated struct is the value.
let mut scores = HashMap::<&str, TeamScores>::new(); let mut scores = HashMap::<&str, TeamScores>::new();
for line in results.lines() { for line in results.lines() {
let mut split_iterator = line.split(','); let mut split_iterator = line.split(',');
// NOTE: We use `unwrap` because we didn't deal with error handling yet. // NOTE: We use `unwrap` because we haven't dealt with error handling yet.
let team_1_name = split_iterator.next().unwrap(); let team_1_name = split_iterator.next().unwrap();
let team_2_name = split_iterator.next().unwrap(); let team_2_name = split_iterator.next().unwrap();
let team_1_score: u8 = split_iterator.next().unwrap().parse().unwrap(); let team_1_score: u8 = split_iterator.next().unwrap().parse().unwrap();
@ -58,7 +58,7 @@ England,Spain,1,0";
#[test] #[test]
fn build_scores() { fn build_scores() {
let scores = build_scores_table(RESULTS); let scores = build_score_table(RESULTS);
assert!( assert!(
["England", "France", "Germany", "Italy", "Poland", "Spain"] ["England", "France", "Germany", "Italy", "Poland", "Spain"]
@ -69,7 +69,7 @@ England,Spain,1,0";
#[test] #[test]
fn validate_team_score_1() { fn validate_team_score_1() {
let scores = build_scores_table(RESULTS); let scores = build_score_table(RESULTS);
let team = scores.get("England").unwrap(); let team = scores.get("England").unwrap();
assert_eq!(team.goals_scored, 6); assert_eq!(team.goals_scored, 6);
assert_eq!(team.goals_conceded, 4); assert_eq!(team.goals_conceded, 4);
@ -77,7 +77,7 @@ England,Spain,1,0";
#[test] #[test]
fn validate_team_score_2() { fn validate_team_score_2() {
let scores = build_scores_table(RESULTS); let scores = build_score_table(RESULTS);
let team = scores.get("Spain").unwrap(); let team = scores.get("Spain").unwrap();
assert_eq!(team.goals_scored, 0); assert_eq!(team.goals_scored, 0);
assert_eq!(team.goals_conceded, 3); assert_eq!(team.goals_conceded, 3);