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quiz3 solution

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This commit is contained in:
mo8it
2024-06-27 13:01:52 +02:00
parent c170740423
commit 64c2de95ca
3 changed files with 87 additions and 13 deletions
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18
exercises/quizzes/quiz3.rs
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@@ -3,26 +3,27 @@
// - Traits
//
// An imaginary magical school has a new report card generation system written
// in Rust! Currently the system only supports creating report cards where the
// 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 to be able to
// print both types of report card!
//
// Make the necessary code changes in the struct ReportCard and the impl block
// to support alphabetical report cards. Change the Grade in the second test to
// "A+" to show that your changes allow alphabetical grades.
// Make the necessary code changes in the struct `ReportCard` and the impl
// block to support alphabetical report cards in addition to numerical ones.
// TODO: Adjust the struct as described above.
struct ReportCard {
grade: f32,
student_name: String,
student_age: u8,
}
// TODO: Adjust the impl block as described above.
impl ReportCard {
fn print(&self) -> String {
format!(
"{} ({}) - achieved a grade of {}",
&self.student_name, &self.student_age, &self.grade
&self.student_name, &self.student_age, &self.grade,
)
}
}
@@ -44,21 +45,20 @@ mod tests {
};
assert_eq!(
report_card.print(),
"Tom Wriggle (12) - achieved a grade of 2.1"
"Tom Wriggle (12) - achieved a grade of 2.1",
);
}
#[test]
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,
grade: "A+",
student_name: "Gary Plotter".to_string(),
student_age: 11,
};
assert_eq!(
report_card.print(),
"Gary Plotter (11) - achieved a grade of A+"
"Gary Plotter (11) - achieved a grade of A+",
);
}
}