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This commit is contained in:
Dylan Smith
2024-04-12 16:45:08 -04:00
parent c682aa9c6c
commit 3349b69ce8
3 changed files with 11 additions and 13 deletions
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4
exercises/15_traits/traits4.rs
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@@ -7,8 +7,6 @@
// Execute `rustlings hint traits4` or use the `hint` watch subcommand for a // Execute `rustlings hint traits4` or use the `hint` watch subcommand for a
// hint. // hint.
// I AM NOT DONE
pub trait Licensed { pub trait Licensed {
fn licensing_info(&self) -> String { fn licensing_info(&self) -> String {
"some information".to_string() "some information".to_string()
@@ -23,7 +21,7 @@ impl Licensed for SomeSoftware {}
impl Licensed for OtherSoftware {} impl Licensed for OtherSoftware {}
// YOU MAY ONLY CHANGE THE NEXT LINE // YOU MAY ONLY CHANGE THE NEXT LINE
fn compare_license_types(software: ??, software_two: ??) -> bool { fn compare_license_types(software: impl Licensed, software_two: impl Licensed) -> bool {
software.licensing_info() == software_two.licensing_info() software.licensing_info() == software_two.licensing_info()
} }

4
exercises/15_traits/traits5.rs
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@@ -7,8 +7,6 @@
// Execute `rustlings hint traits5` or use the `hint` watch subcommand for a // Execute `rustlings hint traits5` or use the `hint` watch subcommand for a
// hint. // hint.
// I AM NOT DONE
pub trait SomeTrait { pub trait SomeTrait {
fn some_function(&self) -> bool { fn some_function(&self) -> bool {
true true
@@ -30,7 +28,7 @@ impl SomeTrait for OtherStruct {}
impl OtherTrait for OtherStruct {} impl OtherTrait for OtherStruct {}
// YOU MAY ONLY CHANGE THE NEXT LINE // YOU MAY ONLY CHANGE THE NEXT LINE
fn some_func(item: ??) -> bool { fn some_func(item: impl OtherTrait + SomeTrait) -> bool {
item.some_function() && item.other_function() item.some_function() && item.other_function()
} }

16
exercises/quiz3.rs
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@@ -16,18 +16,20 @@
// //
// Execute `rustlings hint quiz3` or use the `hint` watch subcommand for a hint. // Execute `rustlings hint quiz3` or use the `hint` watch subcommand for a hint.
// I AM NOT DONE use std::fmt::Display;
pub struct ReportCard { pub struct ReportCard<T: Display> {
pub grade: f32, pub grade: T,
pub student_name: String, pub student_name: String,
pub student_age: u8, pub student_age: u8,
} }
impl ReportCard { impl<T: Display> ReportCard<T> {
pub fn print(&self) -> String { pub fn print(&self) -> String {
format!("{} ({}) - achieved a grade of {}", format!(
&self.student_name, &self.student_age, &self.grade) "{} ({}) - achieved a grade of {}",
&self.student_name, &self.student_age, &self.grade
)
} }
} }
@@ -52,7 +54,7 @@ mod tests {
fn generate_alphabetic_report_card() { fn generate_alphabetic_report_card() {
// TODO: Make sure to change the grade here after you finish the exercise. // TODO: Make sure to change the grade here after you finish the exercise.
let report_card = ReportCard { let report_card = ReportCard {
grade: 2.1, grade: "A+",
student_name: "Gary Plotter".to_string(), student_name: "Gary Plotter".to_string(),
student_age: 11, student_age: 11,
}; };