diff options
Diffstat (limited to 'exercises/generics')
| -rw-r--r-- | exercises/generics/generics1.rs | 2 | ||||
| -rw-r--r-- | exercises/generics/generics2.rs | 5 | ||||
| -rw-r--r-- | exercises/generics/generics3.rs | 21 |
3 files changed, 15 insertions, 13 deletions
diff --git a/exercises/generics/generics1.rs b/exercises/generics/generics1.rs index d075a4d..1e6ae9d 100644 --- a/exercises/generics/generics1.rs +++ b/exercises/generics/generics1.rs @@ -1,4 +1,4 @@ -// This shopping list program isn't compiling! +// This shopping list program isn't compiling! // Use your knowledge of generics to fix it. // I AM NOT DONE diff --git a/exercises/generics/generics2.rs b/exercises/generics/generics2.rs index 23025aa..20c2127 100644 --- a/exercises/generics/generics2.rs +++ b/exercises/generics/generics2.rs @@ -2,6 +2,7 @@ // Rewrite it using generics so that it supports wrapping ANY type. // I AM NOT DONE + struct Wrapper { value: u32 } @@ -18,11 +19,11 @@ mod tests { #[test] fn store_u32_in_wrapper() { - assert_eq!(Wrapper::new(42).value, 42); + assert_eq!(Wrapper::new(42).value, 42); } #[test] fn store_str_in_wrapper() { assert_eq!(Wrapper::new("Foo").value, "Foo"); } -}
\ No newline at end of file +} diff --git a/exercises/generics/generics3.rs b/exercises/generics/generics3.rs index c76425c..760028e 100644 --- a/exercises/generics/generics3.rs +++ b/exercises/generics/generics3.rs @@ -1,13 +1,14 @@ // An imaginary magical school has a new report card generation system written in Rust! -// Currently the system only supports creating report cards where the student's grade -// is represented numerically (e.g. 1.0 -> 5.5). -// However, the school also issues alphabetical grades (A+ -> F-) and needs +// Currently the system only supports creating report cards where the student's grade +// is represented numerically (e.g. 1.0 -> 5.5). +// However, the school also issues alphabetical grades (A+ -> F-) and needs // to be able to print both types of report card! -// Make the necessary code changes to support alphabetical report cards, thereby making +// Make the necessary code changes to support alphabetical report cards, thereby making // the second test pass. // I AM NOT DONE + pub struct ReportCard { pub grade: f32, pub student_name: String, @@ -16,7 +17,7 @@ pub struct ReportCard { impl ReportCard { pub fn print(&self) -> String { - format!("{} ({}) - achieved a grade of {}", + format!("{} ({}) - achieved a grade of {}", &self.student_name, &self.student_age, &self.grade) } } @@ -28,8 +29,8 @@ mod tests { #[test] fn generate_numeric_report_card() { let report_card = ReportCard { - grade: 2.1, - student_name: "Tom Wriggle".to_string(), + grade: 2.1, + student_name: "Tom Wriggle".to_string(), student_age: 12, }; assert_eq!(report_card.print(), "Tom Wriggle (12) - achieved a grade of 2.1"); @@ -39,10 +40,10 @@ mod tests { fn generate_alphabetic_report_card() { // TODO: Make sure to change the grade here after you finish the exercise. let report_card = ReportCard { - grade: 2.1, - student_name: "Gary Plotter".to_string(), + grade: 2.1, + student_name: "Gary Plotter".to_string(), student_age: 11, }; assert_eq!(report_card.print(), "Gary Plotter (11) - achieved a grade of A+"); } -}
\ No newline at end of file +} |