diff --git a/Cargo.lock b/Cargo.lock index 52c8ed4..732a4b5 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -592,7 +592,7 @@ dependencies = [ [[package]] name = "rustlings" -version = "3.0.0" +version = "4.0.0" dependencies = [ "assert_cmd 0.11.1 (registry+https://github.com/rust-lang/crates.io-index)", "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)", diff --git a/exercises/enums/enums1.rs b/exercises/enums/enums1.rs index a2223d3..de1e443 100644 --- a/exercises/enums/enums1.rs +++ b/exercises/enums/enums1.rs @@ -1,16 +1,20 @@ // 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(String), + Move, + ChangeColor { + color: String, + } } fn main() { println!("{:?}", Message::Quit); - println!("{:?}", Message::Echo); + println!("{:?}", Message::Echo("str".to_string())); println!("{:?}", Message::Move); - println!("{:?}", Message::ChangeColor); + println!("{:?}", Message::ChangeColor{color:"test".to_string()}); } diff --git a/exercises/enums/enums2.rs b/exercises/enums/enums2.rs index 52ccb22..3fda824 100644 --- a/exercises/enums/enums2.rs +++ b/exercises/enums/enums2.rs @@ -1,11 +1,18 @@ // 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 + }, + Echo(String), + ChangeColor(i32,i32,i32), + Quit + } impl Message { diff --git a/exercises/enums/enums3.rs b/exercises/enums/enums3.rs index 4b0be97..b13e724 100644 --- a/exercises/enums/enums3.rs +++ b/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), + Move(Point), + Echo (String), + Quit } struct Point { @@ -37,6 +40,20 @@ impl State { fn process(&mut self, message: Message) { // TODO: create a match expression to process the different message variants + match message { + Message::Echo(test) => { + self.echo(test); + } + Message::ChangeColor(r,g,b) => { + self.change_color((r,g,b)); + } + Message::Move(p) => { + self.move_position(p); + } + Message::Quit => { + self.quit(); + } + } } } diff --git a/exercises/functions/functions1.rs b/exercises/functions/functions1.rs index 3112527..44cef48 100644 --- a/exercises/functions/functions1.rs +++ b/exercises/functions/functions1.rs @@ -1,7 +1,10 @@ // functions1.rs // Make me compile! Execute `rustlings hint functions1` for hints :) -// I AM NOT DONE + +fn call_me() -> i8 { + return 1; +} fn main() { call_me(); diff --git a/exercises/functions/functions2.rs b/exercises/functions/functions2.rs index 108ba38..331cfa9 100644 --- a/exercises/functions/functions2.rs +++ b/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); } diff --git a/exercises/functions/functions3.rs b/exercises/functions/functions3.rs index e3c1bf7..873a568 100644 --- a/exercises/functions/functions3.rs +++ b/exercises/functions/functions3.rs @@ -1,10 +1,10 @@ // functions3.rs // Make me compile! Execute `rustlings hint functions3` for hints :) -// I AM NOT DONE fn main() { - call_me(); + let test:i8 = 100; + call_me(test.into()); } fn call_me(num: i32) { diff --git a/exercises/functions/functions4.rs b/exercises/functions/functions4.rs index 58637e4..0c3c6c3 100644 --- a/exercises/functions/functions4.rs +++ b/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 Rustbucks off, but if it's an odd number, it's 3 Rustbucks off. -// 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 { diff --git a/exercises/functions/functions5.rs b/exercises/functions/functions5.rs index d22aa6c..ee79e79 100644 --- a/exercises/functions/functions5.rs +++ b/exercises/functions/functions5.rs @@ -1,7 +1,6 @@ // functions5.rs // Make me compile! Execute `rustlings hint functions5` for hints :) -// I AM NOT DONE fn main() { let answer = square(3); @@ -9,5 +8,5 @@ fn main() { } fn square(num: i32) -> i32 { - num * num; + num * num } diff --git a/exercises/if/if1.rs b/exercises/if/if1.rs index 9086754..e42417e 100644 --- a/exercises/if/if1.rs +++ b/exercises/if/if1.rs @@ -1,6 +1,5 @@ // if1.rs -// I AM NOT DONE pub fn bigger(a: i32, b: i32) -> i32 { // Complete this function to return the bigger number! @@ -8,6 +7,11 @@ pub fn bigger(a: i32, b: i32) -> i32 { // - another function call // - additional variables // Execute `rustlings hint if1` for hints + if( a >= b ) + { + return a; + } + return b; } // Don't mind this for now :) diff --git a/exercises/if/if2.rs b/exercises/if/if2.rs index 80effbd..233b5ee 100644 --- a/exercises/if/if2.rs +++ b/exercises/if/if2.rs @@ -4,13 +4,14 @@ // Step 2: Get the bar_for_fuzz and default_to_baz tests passing! // Execute the command `rustlings hint if2` if you want a hint :) -// I AM NOT DONE pub fn fizz_if_foo(fizzish: &str) -> &str { if fizzish == "fizz" { "foo" + } else if(fizzish == "fuzz") { + "bar" } else { - 1 + "baz" } } diff --git a/exercises/macros/macros1.rs b/exercises/macros/macros1.rs index ed0dac8..4058037 100644 --- a/exercises/macros/macros1.rs +++ b/exercises/macros/macros1.rs @@ -1,8 +1,8 @@ // 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 +10,5 @@ macro_rules! my_macro { } fn main() { - my_macro(); + my_macro!(); } diff --git a/exercises/macros/macros2.rs b/exercises/macros/macros2.rs index d0be123..6583dde 100644 --- a/exercises/macros/macros2.rs +++ b/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!"); diff --git a/exercises/macros/macros3.rs b/exercises/macros/macros3.rs index 93a4311..1147edc 100644 --- a/exercises/macros/macros3.rs +++ b/exercises/macros/macros3.rs @@ -2,9 +2,9 @@ // Make me compile, without taking the macro out of the module! // Execute `rustlings hint macros3` for hints :) -// I AM NOT DONE mod macros { + #[macro_export] macro_rules! my_macro { () => { println!("Check out my macro!"); diff --git a/exercises/macros/macros4.rs b/exercises/macros/macros4.rs index 3a74807..066048e 100644 --- a/exercises/macros/macros4.rs +++ b/exercises/macros/macros4.rs @@ -1,12 +1,11 @@ // 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); } diff --git a/exercises/modules/modules1.rs b/exercises/modules/modules1.rs index 812dfee..c76b058 100644 --- a/exercises/modules/modules1.rs +++ b/exercises/modules/modules1.rs @@ -1,10 +1,9 @@ // 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!"); } } diff --git a/exercises/modules/modules2.rs b/exercises/modules/modules2.rs index fde439d..00bb1a2 100644 --- a/exercises/modules/modules2.rs +++ b/exercises/modules/modules2.rs @@ -1,11 +1,10 @@ // modules2.rs // Make me compile! Execute `rustlings hint modules2` for hints :) -// I AM NOT DONE mod delicious_snacks { - use self::fruits::PEAR as fruit; - use self::veggies::CUCUMBER as veggie; + pub use self::fruits::PEAR as fruit; + pub use self::veggies::CUCUMBER as veggie; mod fruits { pub const PEAR: &'static str = "Pear"; diff --git a/exercises/move_semantics/move_semantics1.rs b/exercises/move_semantics/move_semantics1.rs index e2f5876..4343986 100644 --- a/exercises/move_semantics/move_semantics1.rs +++ b/exercises/move_semantics/move_semantics1.rs @@ -1,12 +1,13 @@ // move_semantics1.rs // Make me compile! Execute `rustlings hint move_semantics1` for hints :) -// I AM NOT DONE fn main() { - let vec0 = Vec::new(); + let mut vec0 = Vec::new(); + vec0.push(99); - let vec1 = fill_vec(vec0); + println!("{} has length {} content `{:?}`", "vec0", vec0.len(), vec0); + let mut vec1 = fill_vec(vec0); println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1); diff --git a/exercises/move_semantics/move_semantics2.rs b/exercises/move_semantics/move_semantics2.rs index bd21fbb..76b7319 100644 --- a/exercises/move_semantics/move_semantics2.rs +++ b/exercises/move_semantics/move_semantics2.rs @@ -2,27 +2,32 @@ // Make me compile without changing line 13! // Execute `rustlings hint move_semantics2` for hints :) -// I AM NOT DONE fn main() { - let vec0 = Vec::new(); +// let vec0 = Vec::new(); +// let mut vec1 = fill_vec(vec0.clone()); - let mut vec1 = fill_vec(vec0); - - // Do not change the following line! +// let vec0 = Vec::new(); + let mut vec0 = Vec::new(); + vec0.push(99); + //let mut vec1 = fill_vec( vec0.clone() ); +// let mut vec1 = fill_vec(&vec0); + let mut vec1 = fill_vec(&mut vec0); +// Do not change the following line! println!("{} has length {} content `{:?}`", "vec0", vec0.len(), vec0); - vec1.push(88); + vec0.push(88); - println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1); + println!("{} has length {} content `{:?}`", "vec0", vec0.len(), vec0); +// println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1); } -fn fill_vec(vec: Vec<i32>) -> Vec<i32> { - let mut vec = vec; - +//fn fill_vec(vec: Vec<i32>) -> Vec<i32> { +// let mut vec = vec; +// fn fill_vec(vec: &Vec<i32>) -> Vec<i32> { +// let mut vec = vec.to_vec(); +fn fill_vec(vec: &mut Vec<i32>) { vec.push(22); vec.push(44); vec.push(66); - - vec } diff --git a/exercises/move_semantics/move_semantics3.rs b/exercises/move_semantics/move_semantics3.rs index 43fef74..38ae109 100644 --- a/exercises/move_semantics/move_semantics3.rs +++ b/exercises/move_semantics/move_semantics3.rs @@ -3,7 +3,6 @@ // (no lines with multiple semicolons necessary!) // Execute `rustlings hint move_semantics3` for hints :) -// I AM NOT DONE fn main() { let vec0 = Vec::new(); @@ -17,7 +16,7 @@ fn main() { println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1); } -fn fill_vec(vec: Vec<i32>) -> Vec<i32> { +fn fill_vec(mut vec: Vec<i32>) -> Vec<i32> { vec.push(22); vec.push(44); vec.push(66); diff --git a/exercises/move_semantics/move_semantics4.rs b/exercises/move_semantics/move_semantics4.rs index a1c4a41..04a95b3 100644 --- a/exercises/move_semantics/move_semantics4.rs +++ b/exercises/move_semantics/move_semantics4.rs @@ -4,12 +4,10 @@ // freshly created vector from fill_vec to its caller. // Execute `rustlings hint move_semantics4` for hints! -// I AM NOT DONE fn main() { - let vec0 = Vec::new(); - let mut vec1 = fill_vec(vec0); + let mut vec1 = fill_vec(); println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1); @@ -20,7 +18,7 @@ fn main() { // `fill_vec()` no longer take `vec: Vec<i32>` as argument fn fill_vec() -> Vec<i32> { - let mut vec = vec; + let mut vec = Vec::new(); vec.push(22); vec.push(44); diff --git a/exercises/primitive_types/primitive_types1.rs b/exercises/primitive_types/primitive_types1.rs index 0912139..46856d8 100644 --- a/exercises/primitive_types/primitive_types1.rs +++ b/exercises/primitive_types/primitive_types1.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() { // Booleans (`bool`) @@ -12,7 +11,7 @@ fn main() { println!("Good morning!"); } - let // Finish the rest of this line like the example! Or make it be false! + let is_evening = !is_morning;// Finish the rest of this line like the example! Or make it be false! if is_evening { println!("Good evening!"); } diff --git a/exercises/primitive_types/primitive_types2.rs b/exercises/primitive_types/primitive_types2.rs index 6576a4d..2e98615 100644 --- a/exercises/primitive_types/primitive_types2.rs +++ b/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 +15,7 @@ fn main() { println!("Neither alphabetic nor numeric!"); } - let // Finish this line like the example! What's your favorite character? + let your_character = '!';// 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() { diff --git a/exercises/primitive_types/primitive_types3.rs b/exercises/primitive_types/primitive_types3.rs index dfd6351..42a8e1e 100644 --- a/exercises/primitive_types/primitive_types3.rs +++ b/exercises/primitive_types/primitive_types3.rs @@ -2,10 +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 = [1; 101]; if a.len() >= 100 { println!("Wow, that's a big array!"); diff --git a/exercises/primitive_types/primitive_types4.rs b/exercises/primitive_types/primitive_types4.rs index 10b553e..df54dff 100644 --- a/exercises/primitive_types/primitive_types4.rs +++ b/exercises/primitive_types/primitive_types4.rs @@ -2,13 +2,12 @@ // 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) } diff --git a/exercises/primitive_types/primitive_types5.rs b/exercises/primitive_types/primitive_types5.rs index 680d8d2..7923c4b 100644 --- a/exercises/primitive_types/primitive_types5.rs +++ b/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); } diff --git a/exercises/primitive_types/primitive_types6.rs b/exercises/primitive_types/primitive_types6.rs index 2bc817e..ebe025a 100644 --- a/exercises/primitive_types/primitive_types6.rs +++ b/exercises/primitive_types/primitive_types6.rs @@ -3,9 +3,7 @@ // 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.2); } diff --git a/exercises/quiz1.rs b/exercises/quiz1.rs index 5c5c355..abd7abc 100644 --- a/exercises/quiz1.rs +++ b/exercises/quiz1.rs @@ -7,11 +7,18 @@ // 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( weight: i32 ) -> i32 { + if( weight < 40 ) { + return weight * 2; + } + return weight ; +} + + // Don't modify this function! #[test] fn verify_test() { diff --git a/exercises/quiz2.rs b/exercises/quiz2.rs index 8caeaa9..c6f2b79 100644 --- a/exercises/quiz2.rs +++ b/exercises/quiz2.rs @@ -7,7 +7,6 @@ // 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); @@ -17,14 +16,14 @@ fn string(arg: String) { } fn main() { - ("blue"); - ("red".to_string()); - (String::from("hi")); - ("rust is fun!".to_owned()); - ("nice weather".into()); - (format!("Interpolation {}", "Station")); - (&String::from("abc")[0..1]); - (" hello there ".trim()); - ("Happy Monday!".to_string().replace("Mon", "Tues")); - ("mY sHiFt KeY iS sTiCkY".to_lowercase()); + string_slice("blue"); + string("red".to_string()); + string(String::from("hi")); + string("rust is fun!".to_owned()); + string_slice("nice weather".into()); + string(format!("Interpolation {}", "Station")); + string_slice(&String::from("abc")[0..1]); + string_slice(" hello there ".trim()); + string("Happy Monday!".to_string().replace("Mon", "Tues")); + string("mY sHiFt KeY iS sTiCkY".to_lowercase()); } diff --git a/exercises/quiz3.rs b/exercises/quiz3.rs index a0cd371..12db9b8 100644 --- a/exercises/quiz3.rs +++ b/exercises/quiz3.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); } } diff --git a/exercises/quiz4.rs b/exercises/quiz4.rs index 6c47480..8d472d7 100644 --- a/exercises/quiz4.rs +++ b/exercises/quiz4.rs @@ -4,8 +4,12 @@ // - Macros // Write a macro that passes the quiz! No hints this time, you can do it! - -// I AM NOT DONE +#[macro_export] +macro_rules! my_macro{ + ($s:literal) => { + format!("Hello {}",$s) + }; +} #[cfg(test)] mod tests { diff --git a/exercises/strings/strings1.rs b/exercises/strings/strings1.rs index 8090244..46cee98 100644 --- a/exercises/strings/strings1.rs +++ b/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") } diff --git a/exercises/strings/strings2.rs b/exercises/strings/strings2.rs index 5a2ce74..4200f69 100644 --- a/exercises/strings/strings2.rs +++ b/exercises/strings/strings2.rs @@ -2,11 +2,10 @@ // 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 :) - if is_a_color_word(word) { + if is_a_color_word(&word) { println!("That is a color word I know!"); } else { println!("That is not a color word I know."); diff --git a/exercises/structs/structs1.rs b/exercises/structs/structs1.rs index 6d0b2f4..fcd55a8 100644 --- a/exercises/structs/structs1.rs +++ b/exercises/structs/structs1.rs @@ -1,17 +1,18 @@ // 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 +20,10 @@ 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 +32,7 @@ mod tests { #[test] fn tuple_structs() { // TODO: Instantiate a tuple struct! - // let green = + let green = ColorTupleStruct(String::from("green"),String::from("#00FF00")); assert_eq!(green.0, "green"); assert_eq!(green.1, "#00FF00"); @@ -37,8 +41,9 @@ mod tests { #[test] fn unit_structs() { // TODO: Instantiate a unit struct! - // let unit_struct = - let message = format!("{:?}s are fun!", unit_struct); + let unit_struct = UnitStruct; + + let message = format!("{:#?}s are fun!", unit_struct); assert_eq!(message, "UnitStructs are fun!"); } diff --git a/exercises/structs/structs2.rs b/exercises/structs/structs2.rs index f9c6427..b3285ea 100644 --- a/exercises/structs/structs2.rs +++ b/exercises/structs/structs2.rs @@ -1,7 +1,6 @@ // structs2.rs // Address all the TODOs to make the tests pass! -// I AM NOT DONE #[derive(Debug)] struct Order { @@ -34,7 +33,12 @@ 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); diff --git a/exercises/structs/structs3.rs b/exercises/structs/structs3.rs index 5503ce1..3b3b3a7 100644 --- a/exercises/structs/structs3.rs +++ b/exercises/structs/structs3.rs @@ -3,8 +3,6 @@ // exercise we have defined the Package struct and we want to test some logic attached to it, // make the code compile and the tests pass! If you have issues execute `rustlings hint structs3` -// I AM NOT DONE - #[derive(Debug)] struct Package { sender_country: String, @@ -16,17 +14,22 @@ impl Package { fn new(sender_country: String, recipient_country: String, weight_in_grams: i32) -> Package { if weight_in_grams <= 0 { // Something goes here... + panic!("Weight cannot be negative!"); } else { return Package {sender_country, recipient_country, weight_in_grams}; } } - fn is_international(&self) -> ??? { - // Something goes here... + fn is_international(&self) -> bool { + if self.sender_country != self.recipient_country { + return true + } + false } - fn get_fees(&self, cents_per_kg: i32) -> ??? { + fn get_fees(&self, cents_per_kg: i32) -> i32 { // Something goes here... (beware of grams to kg conversion) + self.weight_in_grams * cents_per_kg } } @@ -58,7 +61,7 @@ mod tests { let sender_country = String::from("Spain"); let recipient_country = String::from("Spain"); - let cents_per_kg = ???; + let cents_per_kg = 3; let package = Package::new(sender_country, recipient_country, 1500); diff --git a/exercises/tests/tests1.rs b/exercises/tests/tests1.rs index 50586a1..2e981d4 100644 --- a/exercises/tests/tests1.rs +++ b/exercises/tests/tests1.rs @@ -6,12 +6,10 @@ // 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!(1==1); } } diff --git a/exercises/tests/tests2.rs b/exercises/tests/tests2.rs index 0d981ad..f1d969f 100644 --- a/exercises/tests/tests2.rs +++ b/exercises/tests/tests2.rs @@ -2,12 +2,11 @@ // 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,true); } } diff --git a/exercises/tests/tests3.rs b/exercises/tests/tests3.rs index 693b8aa..4c72926 100644 --- a/exercises/tests/tests3.rs +++ b/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(2)); } } diff --git a/exercises/variables/variables1.rs b/exercises/variables/variables1.rs index 4a3af73..149d5ce 100644 --- a/exercises/variables/variables1.rs +++ b/exercises/variables/variables1.rs @@ -6,9 +6,8 @@ // 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); } diff --git a/exercises/variables/variables2.rs b/exercises/variables/variables2.rs index 7774a8f..9cb5aa1 100644 --- a/exercises/variables/variables2.rs +++ b/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 = 100; if x == 10 { println!("Ten!"); } else { diff --git a/exercises/variables/variables3.rs b/exercises/variables/variables3.rs index 30ec48f..3566ef2 100644 --- a/exercises/variables/variables3.rs +++ b/exercises/variables/variables3.rs @@ -1,10 +1,9 @@ // 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; // don't change this line println!("Number {}", x); diff --git a/exercises/variables/variables4.rs b/exercises/variables/variables4.rs index 77f1e9a..facafd3 100644 --- a/exercises/variables/variables4.rs +++ b/exercises/variables/variables4.rs @@ -1,9 +1,8 @@ // 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 = 123; println!("Number {}", x); } diff --git a/exercises/variables/variables5.rs b/exercises/variables/variables5.rs index 5b2c2fa..a03f192 100644 --- a/exercises/variables/variables5.rs +++ b/exercises/variables/variables5.rs @@ -1,11 +1,10 @@ // variables5.rs // Make me compile! Execute the command `rustlings hint variables5` if you want a hint :) -// I AM NOT DONE fn main() { let number = "3"; // don't change this line println!("Number {}", number); - number = 3; + let number = 3; println!("Number {}", number); } diff --git a/exercises/variables/variables6.rs b/exercises/variables/variables6.rs index 9866691..1b64ff1 100644 --- a/exercises/variables/variables6.rs +++ b/exercises/variables/variables6.rs @@ -1,9 +1,8 @@ // variables6.rs // Make me compile! Execute the command `rustlings hint variables6` if you want a hint :) -// I AM NOT DONE -const NUMBER = 3; +const NUMBER:i8 = 3; fn main() { println!("Number {}", NUMBER); }