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Merge branch 'master' of https://github.com/rust-lang/rustlings

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This commit is contained in:
Enrico Bozzolini 2020-05-29 22:09:22 +02:00
commit ec782274a1
6 changed files with 13 additions and 11 deletions
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2
README.md
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@ -34,7 +34,7 @@ This will install Rustlings and give you access to the `rustlings` command. Run
## Windows ## Windows
First, set `ExecutionPolicy` to `RemoteSigned`: In PowerShell, set `ExecutionPolicy` to `RemoteSigned`:
```ps ```ps
Set-ExecutionPolicy RemoteSigned Set-ExecutionPolicy RemoteSigned

14
exercises/generics/generics3.rs
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@ -1,10 +1,11 @@
// An imaginary magical school has a new report card generation system written in rust! // 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 // 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 // is represented numerically (e.g. 1.0 -> 5.5).
// (A+ -> F-) and needs to be able to print both types of report card! // 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 the second // Make the necessary code changes to support alphabetical report cards, thereby making
// test pass. // the second test pass.
// I AM NOT DONE // I AM NOT DONE
pub struct ReportCard { pub struct ReportCard {
@ -15,7 +16,8 @@ pub struct ReportCard {
impl ReportCard { impl ReportCard {
pub fn print(&self) -> String { pub fn print(&self) -> String {
format!("{} ({}) - achieved a grade of {}", &self.student_name, &self.student_age, &self.grade) format!("{} ({}) - achieved a grade of {}",
&self.student_name, &self.student_age, &self.grade)
} }
} }

2
exercises/option/option1.rs
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@ -15,7 +15,7 @@ fn main() {
]; ];
for iter in 0..5 { for iter in 0..5 {
let number_to_add: u16 = { let number_to_add: u16 = {
((iter * 5) + 2) / (4 * 16) ((iter * 1235) + 2) / (4 * 16)
}; };
numbers[iter as usize] = Option::Some(number_to_add); numbers[iter as usize] = Option::Some(number_to_add);

2
exercises/variables/variables3.rs
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@ -4,6 +4,6 @@
fn main() { fn main() {
let mut x = 3; let mut x = 3;
println!("Number {}", x); println!("Number {}", x);
x = 5; x = 5; // don't change this line
println!("Number {}", x); println!("Number {}", x);
} }

2
exercises/variables/variables5.rs
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@ -2,7 +2,7 @@
// Make me compile! Execute the command `rustlings hint variables5` if you want a hint :) // Make me compile! Execute the command `rustlings hint variables5` if you want a hint :)
fn main() { fn main() {
let number = "3"; let number = "3"; // don't change this line
println!("Number {}", number); println!("Number {}", number);
let number = 3; let number = 3;
println!("Number {}", number); println!("Number {}", number);

2
info.toml
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@ -68,7 +68,7 @@ then keyword 'let'.
Constants types must also always be annotated. Constants types must also always be annotated.
Read more about constants under 'Differences Between Variables and Constants' in the book's section 'Variables and Mutability': Read more about constants under 'Differences Between Variables and Constants' in the book's section 'Variables and Mutability':
https://doc.rust-lang.org/book/ch03-01-variables-and-mutability.html https://doc.rust-lang.org/book/ch03-01-variables-and-mutability.html#differences-between-variables-and-constants
""" """
# IF # IF