Merge branch '01-edu:master' into master

Author: sadiqui

subjects/box_recursion/README.md

@@ -30,11 +30,11 @@ pub struct WorkEnvironment {
     pub grade: Link,
 }
 
-pub type Link;
+pub type Link = _; // Complete type alias
 
 #[derive(Debug)]
 pub struct Worker {
-    pub role: String,
+    pub role: Role,
     pub name: String,
     pub next: Link,
 }

subjects/division_and_remainder/README.md

@@ -37,8 +37,8 @@ $
 
 ### Notions
 
-- [The Tuple Type](https://doc.rust-lang.org/stable/book/ch03-02-data-types.html?highlight=accessing%20a%20tuple#compound-types)
+- [The Tuple Type](https://doc.rust-lang.org/stable/book/ch03-02-data-types.html#the-tuple-type)
 
 - [Tuples](https://doc.rust-lang.org/rust-by-example/primitives/tuples.html)
 
-- [Tuple Structs without Named Fields](https://doc.rust-lang.org/stable/book/ch05-01-defining-structs.html?highlight=tuple#using-tuple-structs-without-named-fields-to-create-different-types)
+- [Tuple Structs without Named Fields](https://doc.rust-lang.org/stable/book/ch05-01-defining-structs.html#using-tuple-structs-without-named-fields-to-create-different-types)

subjects/get_document_id/README.md

@@ -13,7 +13,7 @@ Create the following structures which will help you get the `document_id` of the
 
 The `u32` is the `id` of the office generating the error.
 
-Beside the structures, you must create a **function** named `get_document_id`, and associate it to the `OfficeOne` structure.
+Besides the structures, you must create a **function** named `get_document_id`, and associate it to the `OfficeOne` structure.
 
 This **function** should return the `Result` value in the `OfficeFour` structure or the first `Err` it finds in the chain.
 

subjects/previousprime/README.md

@@ -2,7 +2,7 @@
 
 ### Instructions
 
-Create a **function** which returns the first prime number which is less than or equal to the `u64` passed as an argument.
+Create a **function** which returns the biggest prime number which is smaller than the `u64` passed as an argument.
 
 If there are no smaller primes, the function should return `0`.
 
@@ -13,13 +13,13 @@ If there are no smaller primes, the function should return `0`.
 
 ```rust
 pub fn prev_prime(nbr: u64) -> u64  {
-
+    todo!()
 }
 ```
 
 ### Usage
 
-Here is a possible program to test your function :
+Here is a possible program to test your function:
 
 ```rust
 use previousprime::*;
@@ -29,7 +29,7 @@ fn main() {
 }
 ```
 
-And its output :
+And its output:
 
 ```console
 $ cargo run

subjects/previousprime/main.rs

@@ -41,4 +41,4 @@ $
 
 ### Notions
 
-- [Result Definition](https://doc.rust-lang.org/stable/book/ch09-02-recoverable-errors-with-result.html?highlight=result#recoverable-errors-with-result)
+- [Result Definition](https://doc.rust-lang.org/stable/book/ch09-02-recoverable-errors-with-result.html)

subjects/profanity_filter/README.md

@@ -6,7 +6,7 @@ The purpose of this exercise is to create a `rot21` function that works like the
 
 This function will receive a `string` and will rotate each letter of that `string` 21 times to the right.
 
-The function should only rotate letters. Punctuation, symbols and numbers should remain the unchanged.
+The function should only rotate letters. Punctuation, symbols and numbers should remain unchanged.
 
 ### Expected functions
 

subjects/rot21/README.md

@@ -46,12 +46,12 @@ $
 
 - [Defining a struct](https://doc.rust-lang.org/stable/book/ch05-01-defining-structs.html)
 
-- [The Tuple Type](https://doc.rust-lang.org/stable/book/ch03-02-data-types.html?highlight=accessing%20a%20tuple#compound-types)
+- [The Tuple Type](https://doc.rust-lang.org/stable/book/ch03-02-data-types.html#the-tuple-type)
 
 - [Tuples](https://doc.rust-lang.org/rust-by-example/primitives/tuples.html)
 
-- [Tuple Structs without Named Fields](https://doc.rust-lang.org/stable/book/ch05-01-defining-structs.html?highlight=tuple#using-tuple-structs-without-named-fields-to-create-different-types)
+- [Tuple Structs without Named Fields](https://doc.rust-lang.org/stable/book/ch05-01-defining-structs.html#using-tuple-structs-without-named-fields-to-create-different-types)
 
-- [Adding Useful Functionality with Derived Traits](https://doc.rust-lang.org/stable/book/ch05-02-example-structs.html?highlight=debug%20deriv#adding-useful-functionality-with-derived-traits)
+- [Adding Useful Functionality with Derived Traits](https://doc.rust-lang.org/stable/book/ch05-02-example-structs.html?#adding-useful-functionality-with-derived-traits)
 
 - [Chapter 7](https://doc.rust-lang.org/stable/book/ch07-03-paths-for-referring-to-an-item-in-the-module-tree.html)