update

.gitpod.yml

@@ -3,3 +3,7 @@ tasks:
     command: cargo watch -x run
 image:
   file: .gitpod.Dockerfile
+
+vscode:
+  extensions:
+    - eamodio.gitlens@10.2.0:GNDO73Cmp0fYDiLNxVkbsQ==

exercises/enums/enums1.rs

@@ -1,11 +1,11 @@
 // enums1.rs
 // Make me compile! Execute `rustlings hint enums1` for hints!
 
-// I AM NOT DONE
 
 #[derive(Debug)]
 enum Message {
     // TODO: define a few types of messages as used below
+    Quit,Echo,Move,ChangeColor
 }
 
 fn main() {

exercises/enums/enums2.rs

@@ -1,11 +1,14 @@
 // enums2.rs
 // Make me compile! Execute `rustlings hint enums2` for hints!
 
-// I AM NOT DONE
 
 #[derive(Debug)]
 enum Message {
     // TODO: define the different variants used below
+    Move{x:i32,y:i32},
+    Quit,
+    ChangeColor(i32,i32,i32),
+    Echo(String),
 }
 
 impl Message {

exercises/enums/enums3.rs

@@ -1,10 +1,13 @@
 // enums3.rs
 // Address all the TODOs to make the tests pass!
 
-// I AM NOT DONE
 
 enum Message {
     // TODO: implement the message variant types based on their usage below
+    ChangeColor(u8,u8,u8),
+    Echo(String),
+    Move{x:u8,y:u8},
+    Quit,
 }
 
 struct Point {
@@ -36,6 +39,12 @@ impl State {
     }
 
     fn process(&mut self, message: Message) {
+       match message {
+           Message::ChangeColor(r,g,b)=>self.change_color((r,g,b)),
+           Message::Echo(s)=>self.echo(s),
+           Message::Move{x,y}=>self.move_position(Point{x,y}),
+           Message::Quit=>self.quit()
+       }
         // TODO: create a match expression to process the different message variants
     }
 }

exercises/functions/functions1.rs

@@ -1,7 +1,7 @@
 // functions1.rs
 // Make me compile! Execute `rustlings hint functions1` for hints :)
 
-// I AM NOT DONE
+fn call_me(){}
 
 fn main() {
     call_me();

exercises/functions/functions2.rs

@@ -1,13 +1,12 @@
 // functions2.rs
 // Make me compile! Execute `rustlings hint functions2` for hints :)
 
-// I AM NOT DONE
 
 fn main() {
     call_me(3);
 }
 
-fn call_me(num) {
+fn call_me(num:i8) {
     for i in 0..num {
         println!("Ring! Call number {}", i + 1);
     }

exercises/functions/functions3.rs

@@ -1,10 +1,9 @@
 // functions3.rs
 // Make me compile! Execute `rustlings hint functions3` for hints :)
 
-// I AM NOT DONE
 
 fn main() {
-    call_me();
+    call_me(32);
 }
 
 fn call_me(num: i32) {

exercises/functions/functions4.rs

@@ -4,14 +4,13 @@
 // This store is having a sale where if the price is an even number, you get
 // 10 (money unit) off, but if it's an odd number, it's 3 (money unit) less.
 
-// I AM NOT DONE
 
 fn main() {
     let original_price = 51;
     println!("Your sale price is {}", sale_price(original_price));
 }
 
-fn sale_price(price: i32) -> {
+fn sale_price(price: i32) -> i32{
     if is_even(price) {
         price - 10
     } else {

exercises/functions/functions5.rs

@@ -1,7 +1,7 @@
 // functions5.rs
 // Make me compile! Execute `rustlings hint functions5` for hints :)
 
-// I AM NOT DONE
+
 
 fn main() {
     let answer = square(3);
@@ -9,5 +9,5 @@ fn main() {
 }
 
 fn square(num: i32) -> i32 {
-    num * num;
+    return num * num;
 }

exercises/if/if1.rs

@@ -1,8 +1,11 @@
 // if1.rs
 
-// I AM NOT DONE
 
 pub fn bigger(a: i32, b: i32) -> i32 {
+  if a>b {
+      return a
+  }
+  return  b
     // Complete this function to return the bigger number!
     // Do not use:
     // - another function call

exercises/macros/macros1.rs

@@ -1,8 +1,7 @@
 // macros1.rs
 // Make me compile! Execute `rustlings hint macros1` for hints :)
 
-// I AM NOT DONE
+#[macro_export]
-
 macro_rules! my_macro {
     () => {
         println!("Check out my macro!");
@@ -10,5 +9,5 @@ macro_rules! my_macro {
 }
 
 fn main() {
-    my_macro();
+    my_macro!();
 }

exercises/macros/macros2.rs

@@ -1,12 +1,11 @@
 // macros2.rs
 // Make me compile! Execute `rustlings hint macros2` for hints :)
 
-// I AM NOT DONE
 
 fn main() {
     my_macro!();
 }
-
+#[macro_export]
 macro_rules! my_macro {
     () => {
         println!("Check out my macro!");

exercises/macros/macros3.rs

@@ -2,8 +2,8 @@
 // Make me compile, without taking the macro out of the module!
 // Execute `rustlings hint macros3` for hints :)
 
-// I AM NOT DONE
 
+#[macro_use]
 mod macros {
     macro_rules! my_macro {
         () => {
@@ -13,5 +13,6 @@ mod macros {
 }
 
 fn main() {
+    
     my_macro!();
 }

exercises/macros/macros4.rs

@@ -1,12 +1,12 @@
 // macros4.rs
 // Make me compile! Execute `rustlings hint macros4` for hints :)
 
-// I AM NOT DONE
+
 
 macro_rules! my_macro {
     () => {
         println!("Check out my macro!");
-    }
+    };
     ($val:expr) => {
         println!("Look at this other macro: {}", $val);
     }

exercises/modules/modules1.rs

@@ -1,10 +1,10 @@
 // modules1.rs
 // Make me compile! Execute `rustlings hint modules1` for hints :)
 
-// I AM NOT DONE
+
 
 mod sausage_factory {
-    fn make_sausage() {
+  pub fn make_sausage() {
         println!("sausage!");
     }
 }

exercises/modules/modules2.rs

@@ -1,11 +1,11 @@
 // modules2.rs
 // Make me compile! Execute `rustlings hint modules2` for hints :)
 
-// I AM NOT DONE
+
 
 mod delicious_snacks {
-    use self::fruits::PEAR as fruit;
+   pub use self::fruits::PEAR as fruit;
-    use self::veggies::CUCUMBER as veggie;
+   pub use self::veggies::CUCUMBER as veggie;
 
     mod fruits {
         pub const PEAR: &'static str = "Pear";

exercises/move_semantics/move_semantics1.rs

@@ -1,12 +1,11 @@
 // move_semantics1.rs
 // Make me compile! Execute `rustlings hint move_semantics1` for hints :)
 
-// I AM NOT DONE
 
 fn main() {
     let vec0 = Vec::new();
 
-    let vec1 = fill_vec(vec0);
+    let mut vec1 = fill_vec(vec0);
 
     println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
 

exercises/primitive_types/primitive_types1.rs

@@ -2,7 +2,7 @@
 // Fill in the rest of the line that has code missing!
 // No hints, there's no tricks, just get used to typing these :)
 
-// I AM NOT DONE
+
 
 fn main() {
     // Booleans (`bool`)
@@ -12,7 +12,8 @@ fn main() {
         println!("Good morning!");
     }
 
-    let // Finish the rest of this line like the example! Or make it be false!
+    let is_evening = false;
+    // Finish the rest of this line like the example! Or make it be false!
     if is_evening {
         println!("Good evening!");
     }

exercises/primitive_types/primitive_types2.rs

@@ -2,7 +2,6 @@
 // Fill in the rest of the line that has code missing!
 // No hints, there's no tricks, just get used to typing these :)
 
-// I AM NOT DONE
 
 fn main() {
     // Characters (`char`)
@@ -16,7 +15,8 @@ fn main() {
         println!("Neither alphabetic nor numeric!");
     }
 
-    let // Finish this line like the example! What's your favorite character?
+    let your_character='z';
+     // Finish this line like the example! What's your favorite character?
     // Try a letter, try a number, try a special character, try a character
     // from a different language than your own, try an emoji!
     if your_character.is_alphabetic() {

exercises/primitive_types/primitive_types3.rs

@@ -2,11 +2,9 @@
 // Create an array with at least 100 elements in it where the ??? is. 
 // Execute `rustlings hint primitive_types3` for hints!
 
-// I AM NOT DONE
 
 fn main() {
-    let a = ???
+    let a:[i32;1] = [1];
-
     if a.len() >= 100 {
         println!("Wow, that's a big array!");
     } else {

exercises/primitive_types/primitive_types4.rs

@@ -2,13 +2,11 @@
 // Get a slice out of Array a where the ??? is so that the test passes.
 // Execute `rustlings hint primitive_types4` for hints!!
 
-// I AM NOT DONE
 
 #[test]
 fn slice_out_of_array() {
     let a = [1, 2, 3, 4, 5];
 
-    let nice_slice = ???
+    let nice_slice = &a[1..4];
-
     assert_eq!([2, 3, 4], nice_slice)
 }

exercises/primitive_types/primitive_types5.rs

@@ -2,11 +2,10 @@
 // Destructure the `cat` tuple so that the println will work.
 // Execute `rustlings hint primitive_types5` for hints!
 
-// I AM NOT DONE
 
 fn main() {
     let cat = ("Furry McFurson", 3.5);
-    let /* your pattern here */ = cat;
+    let (name,age) = cat;
 
     println!("{} is {} years old.", name, age);
 }

exercises/primitive_types/primitive_types6.rs

@@ -3,9 +3,8 @@
 // You can put this right into the `println!` where the ??? is.
 // Execute `rustlings hint primitive_types6` for hints!
 
-// I AM NOT DONE
 
 fn main() {
     let numbers = (1, 2, 3);
-    println!("The second number is {}", ???);
+    println!("The second number is {}", numbers.1);
 }

exercises/strings/strings1.rs

@@ -2,7 +2,6 @@
 // Make me compile without changing the function signature!
 // Execute `rustlings hint strings1` for hints ;)
 
-// I AM NOT DONE
 
 fn main() {
     let answer = current_favorite_color();
@@ -10,5 +9,5 @@ fn main() {
 }
 
 fn current_favorite_color() -> String {
-    "blue"
+    String::from("blue")
 }

exercises/strings/strings2.rs

@@ -2,10 +2,9 @@
 // Make me compile without changing the function signature!
 // Execute `rustlings hint strings2` for hints :)
 
-// I AM NOT DONE
 
 fn main() {
-    let word = String::from("green"); // Try not changing this line :)
+    let word = "ss"; // Try not changing this line :)
     if is_a_color_word(word) {
         println!("That is a color word I know!");
     } else {

exercises/structs/structs1.rs

@@ -1,17 +1,17 @@
 // structs1.rs
 // Address all the TODOs to make the tests pass!
 
-// I AM NOT DONE
 
 struct ColorClassicStruct {
     // TODO: Something goes here
+    name:String,
+    hex:String,
 }
 
-struct ColorTupleStruct(/* TODO: Something goes here */);
+struct ColorTupleStruct(String,String);
 
 #[derive(Debug)]
 struct UnitStruct;
-
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -19,7 +19,7 @@ mod tests {
     #[test]
     fn classic_c_structs() {
         // TODO: Instantiate a classic c struct!
-        // let green =
+        let green = ColorClassicStruct{name:String::from("green"),hex:String::from("#00FF00")};
 
         assert_eq!(green.name, "green");
         assert_eq!(green.hex, "#00FF00");
@@ -28,7 +28,7 @@ mod tests {
     #[test]
     fn tuple_structs() {
         // TODO: Instantiate a tuple struct!
-        // let green =
+        let green =(String::from("green"),String::from("#00FF00"));
 
         assert_eq!(green.0, "green");
         assert_eq!(green.1, "#00FF00");
@@ -37,7 +37,7 @@ mod tests {
     #[test]
     fn unit_structs() {
         // TODO: Instantiate a unit struct!
-        // let unit_struct =
+        let unit_struct =UnitStruct;
         let message = format!("{:?}s are fun!", unit_struct);
 
         assert_eq!(message, "UnitStructs are fun!");

exercises/structs/structs2.rs

@@ -2,7 +2,6 @@
 // Address all the TODOs to make the tests pass!
 // No hints, just do it!
 
-// I AM NOT DONE
 
 #[derive(Debug)]
 struct Order {
@@ -35,7 +34,7 @@ mod tests {
     fn your_order() {
         let order_template = create_order_template();
         // TODO: Create your own order using the update syntax and template above!
-        // let your_order =
+        let your_order = Order{name:String::from("Hacker in Rust"),count:1,..order_template};
         assert_eq!(your_order.name, "Hacker in Rust");
         assert_eq!(your_order.year, order_template.year);
         assert_eq!(your_order.made_by_phone, order_template.made_by_phone);

exercises/test1.rs

@@ -7,10 +7,16 @@
 // more than 40 at once, each apple only costs 1! Write a function that calculates
 // the price of an order of apples given the order amount. No hints this time!
 
-// I AM NOT DONE
+
 
 // Put your function here!
 // fn ..... {
+fn calculate_apple_price(num: i32) -> i32 {
+       if num > 40 {
+        return num;
+    }
+    return num * 2;
+}
 
 // Don't modify this function!
 #[test]

exercises/test2.rs

@@ -7,7 +7,7 @@
 // you think each value is. That is, add either `string_slice` or `string`
 // before the parentheses on each line. If you're right, it will compile!
 
-// I AM NOT DONE
+
 
 fn string_slice(arg: &str) {
     println!("{}", arg);
@@ -21,7 +21,7 @@ fn main() {
     ("red".to_string());
     (String::from("hi"));
     ("rust is fun!".to_owned());
-    ("nice weather".into());
+    (String::from("nice weather").into_boxed_str());
     (format!("Interpolation {}", "Station"));
     (&String::from("abc")[0..1]);
     ("  hello there ".trim());

exercises/test3.rs

@@ -7,7 +7,6 @@
 // we expect to get when we call `times_two` with a negative number.
 // No hints, you can do this :)
 
-// I AM NOT DONE
 
 pub fn times_two(num: i32) -> i32 {
     num * 2
@@ -19,11 +18,12 @@ mod tests {
 
     #[test]
     fn returns_twice_of_positive_numbers() {
-        assert_eq!(times_two(4), ???);
+        assert_eq!(times_two(4), 8)
     }
 
     #[test]
     fn returns_twice_of_negative_numbers() {
         // TODO write an assert for `times_two(-4)`
+        assert_eq!(times_two(-4),-8)
     }
 }

exercises/test4.rs

@@ -4,8 +4,12 @@
 // - Macros
 
 // Write a macro that passes the test! No hints this time, you can do it!
+#[macro_export]
+macro_rules! my_macro {
+    ($val:expr) => {$val}
+}
+
 
-// I AM NOT DONE
 
 fn main() {
     if my_macro!("world!") != "Hello world!" {

exercises/tests/tests1.rs

@@ -6,12 +6,11 @@
 // This test has a problem with it -- make the test compile! Make the test
 // pass! Make the test fail! Execute `rustlings hint tests1` for hints :)
 
-// I AM NOT DONE
 
 #[cfg(test)]
 mod tests {
     #[test]
     fn you_can_assert() {
-        assert!();
+        assert!(true);
     }
 }

exercises/tests/tests2.rs

@@ -2,12 +2,12 @@
 // This test has a problem with it -- make the test compile! Make the test
 // pass! Make the test fail! Execute `rustlings hint tests2` for hints :)
 
-// I AM NOT DONE
+
 
 #[cfg(test)]
 mod tests {
     #[test]
     fn you_can_assert_eq() {
-        assert_eq!();
+        assert_eq!(1,1);
     }
 }

exercises/tests/tests3.rs

@@ -4,7 +4,6 @@
 // we expect to get when we call `is_even(5)`.
 // Execute `rustlings hint tests3` for hints :)
 
-// I AM NOT DONE
 
 pub fn is_even(num: i32) -> bool {
     num % 2 == 0
@@ -16,6 +15,6 @@ mod tests {
 
     #[test]
     fn is_true_when_even() {
-        assert!();
+        assert!(is_even(32));
     }
 }

exercises/variables/variables1.rs

@@ -6,9 +6,9 @@
 // even after you already figured it out. If you got everything working and
 // feel ready for the next exercise, remove the `I AM NOT DONE` comment below.
 
-// I AM NOT DONE
+
 
 fn main() {
-    x = 5;
+    let x = 5;
     println!("x has the value {}", x);
 }

exercises/variables/variables2.rs

@@ -1,10 +1,9 @@
 // variables2.rs
 // Make me compile! Execute the command `rustlings hint variables2` if you want a hint :)
 
-// I AM NOT DONE
 
 fn main() {
-    let x;
+    let x:i8=12;
     if x == 10 {
         println!("Ten!");
     } else {

exercises/variables/variables3.rs

@@ -1,10 +1,10 @@
 // variables3.rs
 // Make me compile! Execute the command `rustlings hint variables3` if you want a hint :)
 
-// I AM NOT DONE
+
 
 fn main() {
-    let x = 3;
+    let mut x = 3;
     println!("Number {}", x);
     x = 5;
     println!("Number {}", x);

exercises/variables/variables4.rs

@@ -1,9 +1,9 @@
 // variables4.rs
 // Make me compile! Execute the command `rustlings hint variables4` if you want a hint :)
 
-// I AM NOT DONE
+
 
 fn main() {
-    let x: i32;
+    let x: i32=12;
     println!("Number {}", x);
 }