fix: bring solution in line with exercise

Author: hippietrail

solutions/11_hashmaps/hashmaps3.rs

@@ -2,7 +2,7 @@
 // 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).
 //
-// 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
 // conceded.
 
@@ -15,13 +15,13 @@ struct TeamScores {
     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.
     let mut scores = HashMap::<&str, TeamScores>::new();
 
     for line in results.lines() {
         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_2_name = split_iterator.next().unwrap();
         let team_1_score: u8 = split_iterator.next().unwrap().parse().unwrap();
@@ -58,7 +58,7 @@ England,Spain,1,0";
 
     #[test]
     fn build_scores() {
-        let scores = build_scores_table(RESULTS);
+        let scores = build_score_table(RESULTS);
 
         assert!(
             ["England", "France", "Germany", "Italy", "Poland", "Spain"]
@@ -69,15 +69,15 @@ England,Spain,1,0";
 
     #[test]
     fn validate_team_score_1() {
-        let scores = build_scores_table(RESULTS);
+        let scores = build_score_table(RESULTS);
         let team = scores.get("England").unwrap();
         assert_eq!(team.goals_scored, 6);
         assert_eq!(team.goals_conceded, 4);
     }
 
     #[test]
     fn validate_team_score_2() {
-        let scores = build_scores_table(RESULTS);
+        let scores = build_score_table(RESULTS);
         let team = scores.get("Spain").unwrap();
         assert_eq!(team.goals_scored, 0);
         assert_eq!(team.goals_conceded, 3);