From 15d9187138c46401f44d808e150a494b15ce98b3 Mon Sep 17 00:00:00 2001 From: dvilleneuve4 Date: Mon, 7 Mar 2022 19:14:45 +0000 Subject: [PATCH] first batch of exercises --- exercises/collections/hashmap1.rs | 8 +++---- exercises/collections/hashmap2.rs | 10 ++++----- exercises/collections/vec1.rs | 4 +--- exercises/collections/vec2.rs | 5 +---- exercises/enums/enums1.rs | 7 +++--- exercises/enums/enums2.rs | 7 +++--- exercises/enums/enums3.rs | 14 ++++++++---- exercises/functions/functions1.rs | 5 ++++- exercises/functions/functions2.rs | 4 +--- exercises/functions/functions3.rs | 4 +--- exercises/functions/functions4.rs | 3 +-- exercises/functions/functions5.rs | 3 +-- exercises/if/if1.rs | 15 +++++++------ exercises/if/if2.rs | 15 ++++++++----- exercises/intro/intro1.rs | 2 -- exercises/intro/intro2.rs | 4 +--- exercises/modules/modules1.rs | 4 +--- exercises/modules/modules2.rs | 6 ++--- exercises/modules/modules3.rs | 6 ++--- exercises/move_semantics/move_semantics1.rs | 4 +--- exercises/move_semantics/move_semantics2.rs | 21 ++++++++++-------- exercises/move_semantics/move_semantics3.rs | 4 +--- exercises/move_semantics/move_semantics4.rs | 7 ++---- exercises/move_semantics/move_semantics5.rs | 4 +--- exercises/primitive_types/primitive_types1.rs | 4 +--- exercises/primitive_types/primitive_types2.rs | 4 +--- exercises/primitive_types/primitive_types3.rs | 4 +--- exercises/primitive_types/primitive_types4.rs | 2 +- exercises/primitive_types/primitive_types5.rs | 4 +--- exercises/primitive_types/primitive_types6.rs | 4 +--- exercises/quiz1.rs | 16 +++++++++++--- exercises/quiz2.rs | 22 +++++++++---------- exercises/strings/strings1.rs | 4 +--- exercises/strings/strings2.rs | 4 +--- exercises/structs/structs1.rs | 16 ++++++++------ exercises/structs/structs2.rs | 12 +++++++--- exercises/structs/structs3.rs | 11 +++++----- exercises/variables/variables1.rs | 4 +--- exercises/variables/variables2.rs | 4 +--- exercises/variables/variables3.rs | 4 +--- exercises/variables/variables4.rs | 4 +--- exercises/variables/variables5.rs | 4 +--- exercises/variables/variables6.rs | 4 +--- rustlings | 1 + 44 files changed, 139 insertions(+), 159 deletions(-) create mode 160000 rustlings diff --git a/exercises/collections/hashmap1.rs b/exercises/collections/hashmap1.rs index 64b5a7f3..d5224b94 100644 --- a/exercises/collections/hashmap1.rs +++ b/exercises/collections/hashmap1.rs @@ -11,17 +11,17 @@ // Execute the command `rustlings hint hashmap1` if you need // hints. -// I AM NOT DONE - use std::collections::HashMap; fn fruit_basket() -> HashMap { - let mut basket = // TODO: declare your hash map here. + let mut basket = HashMap::new(); // Two bananas are already given for you :) basket.insert(String::from("banana"), 2); - // TODO: Put more fruits in your basket here. + basket.insert(String::from("apple"), 3); + + basket.insert(String::from("mango"), 1); basket } diff --git a/exercises/collections/hashmap2.rs b/exercises/collections/hashmap2.rs index 0abe19ab..cbb2773c 100644 --- a/exercises/collections/hashmap2.rs +++ b/exercises/collections/hashmap2.rs @@ -12,8 +12,6 @@ // Execute the command `rustlings hint hashmap2` if you need // hints. -// I AM NOT DONE - use std::collections::HashMap; #[derive(Hash, PartialEq, Eq)] @@ -35,9 +33,11 @@ fn fruit_basket(basket: &mut HashMap) { ]; for fruit in fruit_kinds { - // TODO: Put new fruits if not already present. Note that you - // are not allowed to put any type of fruit that's already - // present! + match fruit { + Fruit::Banana => basket.insert(Fruit::Banana,2), + Fruit::Pineapple => basket.insert(Fruit::Pineapple,2), + _ => None, + }; } } diff --git a/exercises/collections/vec1.rs b/exercises/collections/vec1.rs index b144fb94..6fb32a0f 100644 --- a/exercises/collections/vec1.rs +++ b/exercises/collections/vec1.rs @@ -4,11 +4,9 @@ // Make me compile and pass the test! // Execute the command `rustlings hint vec1` if you need hints. -// I AM NOT DONE - fn array_and_vec() -> ([i32; 4], Vec) { let a = [10, 20, 30, 40]; // a plain array - let v = // TODO: declare your vector here with the macro for vectors + let v = vec![10,20,30,40]; (a, v) } diff --git a/exercises/collections/vec2.rs b/exercises/collections/vec2.rs index 6595e401..ff964dc1 100644 --- a/exercises/collections/vec2.rs +++ b/exercises/collections/vec2.rs @@ -7,12 +7,9 @@ // Execute the command `rustlings hint vec2` if you need // hints. -// I AM NOT DONE - fn vec_loop(mut v: Vec) -> Vec { for i in v.iter_mut() { - // TODO: Fill this up so that each element in the Vec `v` is - // multiplied by 2. + *i = (*i)*2; } // At this point, `v` should be equal to [4, 8, 12, 16, 20]. diff --git a/exercises/enums/enums1.rs b/exercises/enums/enums1.rs index a2223d33..adf7f01a 100644 --- a/exercises/enums/enums1.rs +++ b/exercises/enums/enums1.rs @@ -1,11 +1,12 @@ // 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() { diff --git a/exercises/enums/enums2.rs b/exercises/enums/enums2.rs index ec32d952..eb6ffd22 100644 --- a/exercises/enums/enums2.rs +++ b/exercises/enums/enums2.rs @@ -1,11 +1,12 @@ // 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 178b40c4..dd582a1a 100644 --- a/exercises/enums/enums3.rs +++ b/exercises/enums/enums3.rs @@ -1,10 +1,11 @@ // 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 + Move(Point), + Echo(String), + ChangeColor((u8,u8,u8)), + Quit, } struct Point { @@ -36,7 +37,12 @@ impl State { } fn process(&mut self, message: Message) { - // TODO: create a match expression to process the different message variants + match message { + Message::ChangeColor(color) => self.change_color( color ), + Message::Echo(message) => self.echo( message), + Message::Move(point) => self.move_position(point), + Message::Quit => self.quit() + } } } diff --git a/exercises/functions/functions1.rs b/exercises/functions/functions1.rs index 31125278..9a6625a0 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() +{ + +} fn main() { call_me(); diff --git a/exercises/functions/functions2.rs b/exercises/functions/functions2.rs index 5721a172..85eb4db6 100644 --- a/exercises/functions/functions2.rs +++ b/exercises/functions/functions2.rs @@ -1,13 +1,11 @@ // 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:i32) { for i in 0..num { println!("Ring! Call number {}", i + 1); } diff --git a/exercises/functions/functions3.rs b/exercises/functions/functions3.rs index ed5f839f..800ec1d8 100644 --- a/exercises/functions/functions3.rs +++ b/exercises/functions/functions3.rs @@ -1,10 +1,8 @@ // functions3.rs // Make me compile! Execute `rustlings hint functions3` for hints :) -// I AM NOT DONE - fn main() { - call_me(); + call_me(3); } fn call_me(num: u32) { diff --git a/exercises/functions/functions4.rs b/exercises/functions/functions4.rs index 58637e4c..0c3c6c30 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 d22aa6c8..ee79e792 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 90867545..665932a5 100644 --- a/exercises/if/if1.rs +++ b/exercises/if/if1.rs @@ -1,13 +1,14 @@ // if1.rs -// I AM NOT DONE - pub fn bigger(a: i32, b: i32) -> i32 { - // Complete this function to return the bigger number! - // Do not use: - // - another function call - // - additional variables - // Execute `rustlings hint if1` for hints + if a > b + { + a + } + else + { + b + } } // Don't mind this for now :) diff --git a/exercises/if/if2.rs b/exercises/if/if2.rs index 80effbdf..1e946844 100644 --- a/exercises/if/if2.rs +++ b/exercises/if/if2.rs @@ -4,13 +4,18 @@ // 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" { + if fizzish == "fizz" + { "foo" - } else { - 1 + } + else if fizzish == "fuzz" + { + "bar" + } + else + { + "baz" } } diff --git a/exercises/intro/intro1.rs b/exercises/intro/intro1.rs index 1c4582de..3b11d4a2 100644 --- a/exercises/intro/intro1.rs +++ b/exercises/intro/intro1.rs @@ -5,8 +5,6 @@ // ready for the next exercise, remove the `I AM NOT DONE` comment below. // Execute the command `rustlings hint intro1` for a hint. -// I AM NOT DONE - fn main() { println!("Hello and"); println!(r#" welcome to... "#); diff --git a/exercises/intro/intro2.rs b/exercises/intro/intro2.rs index 97a073f0..d0fce05d 100644 --- a/exercises/intro/intro2.rs +++ b/exercises/intro/intro2.rs @@ -2,8 +2,6 @@ // Make the code print a greeting to the world. // Execute `rustlings hint intro2` for a hint. -// I AM NOT DONE - fn main() { - println!("Hello {}!"); + println!("Hello {}!","David"); } diff --git a/exercises/modules/modules1.rs b/exercises/modules/modules1.rs index 1a2bd0dd..3535a36a 100644 --- a/exercises/modules/modules1.rs +++ b/exercises/modules/modules1.rs @@ -1,15 +1,13 @@ // modules1.rs // Make me compile! Execute `rustlings hint modules1` for hints :) -// I AM NOT DONE - mod sausage_factory { // Don't let anybody outside of this module see this! fn get_secret_recipe() -> String { String::from("Ginger") } - fn make_sausage() { + pub fn make_sausage() { get_secret_recipe(); println!("sausage!"); } diff --git a/exercises/modules/modules2.rs b/exercises/modules/modules2.rs index 87f0c458..8d25567b 100644 --- a/exercises/modules/modules2.rs +++ b/exercises/modules/modules2.rs @@ -3,13 +3,11 @@ // 'use' and 'as' keywords. Fix these 'use' statements to make the code compile. // Make me compile! Execute `rustlings hint modules2` for hints :) -// I AM NOT DONE - mod delicious_snacks { // TODO: Fix these use statements - use self::fruits::PEAR as ??? - use self::veggies::CUCUMBER as ??? + 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/modules/modules3.rs b/exercises/modules/modules3.rs index 8eed77df..6255fa8b 100644 --- a/exercises/modules/modules3.rs +++ b/exercises/modules/modules3.rs @@ -5,10 +5,8 @@ // from the std::time module. Bonus style points if you can do it with one line! // Make me compile! Execute `rustlings hint modules3` for hints :) -// I AM NOT DONE - -// TODO: Complete this use statement -use ??? +use std::time::SystemTime; +use std::time::UNIX_EPOCH; fn main() { match SystemTime::now().duration_since(UNIX_EPOCH) { diff --git a/exercises/move_semantics/move_semantics1.rs b/exercises/move_semantics/move_semantics1.rs index e2f5876d..a95f851a 100644 --- a/exercises/move_semantics/move_semantics1.rs +++ b/exercises/move_semantics/move_semantics1.rs @@ -1,12 +1,10 @@ // 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); diff --git a/exercises/move_semantics/move_semantics2.rs b/exercises/move_semantics/move_semantics2.rs index bd21fbb7..756fe546 100644 --- a/exercises/move_semantics/move_semantics2.rs +++ b/exercises/move_semantics/move_semantics2.rs @@ -2,12 +2,10 @@ // 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 mut vec1 = fill_vec(vec0); + let mut vec1 = fill_vec(&vec0); // Do not change the following line! println!("{} has length {} content `{:?}`", "vec0", vec0.len(), vec0); @@ -17,12 +15,17 @@ fn main() { println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1); } -fn fill_vec(vec: Vec) -> Vec { - let mut vec = vec; +fn fill_vec(vec: &Vec) -> Vec { + let mut newVec = Vec::new(); - vec.push(22); - vec.push(44); - vec.push(66); + for i in vec + { + newVec.push(*i) + } - vec + newVec.push(22); + newVec.push(44); + newVec.push(66); + + newVec } diff --git a/exercises/move_semantics/move_semantics3.rs b/exercises/move_semantics/move_semantics3.rs index 43fef74f..8be23e5e 100644 --- a/exercises/move_semantics/move_semantics3.rs +++ b/exercises/move_semantics/move_semantics3.rs @@ -3,8 +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 +15,7 @@ fn main() { println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1); } -fn fill_vec(vec: Vec) -> Vec { +fn fill_vec(mut vec: Vec) -> Vec { 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 2a23c710..99425af2 100644 --- a/exercises/move_semantics/move_semantics4.rs +++ b/exercises/move_semantics/move_semantics4.rs @@ -4,12 +4,9 @@ // 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 +17,7 @@ fn main() { // `fill_vec()` no longer takes `vec: Vec` as argument fn fill_vec() -> Vec { - let mut vec = vec; + let mut vec = Vec::new(); vec.push(22); vec.push(44); diff --git a/exercises/move_semantics/move_semantics5.rs b/exercises/move_semantics/move_semantics5.rs index c4704f9e..d9da5ffc 100644 --- a/exercises/move_semantics/move_semantics5.rs +++ b/exercises/move_semantics/move_semantics5.rs @@ -3,13 +3,11 @@ // adding, changing or removing any of them. // Execute `rustlings hint move_semantics5` for hints :) -// I AM NOT DONE - fn main() { let mut x = 100; let y = &mut x; - let z = &mut x; *y += 100; + let z = &mut x; *z += 1000; assert_eq!(x, 1200); } diff --git a/exercises/primitive_types/primitive_types1.rs b/exercises/primitive_types/primitive_types1.rs index 09121392..9ef23a55 100644 --- a/exercises/primitive_types/primitive_types1.rs +++ b/exercises/primitive_types/primitive_types1.rs @@ -2,8 +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 +10,7 @@ fn main() { println!("Good morning!"); } - let // Finish the rest of this line like the example! Or make it be false! + let is_evening = true;// 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 6576a4d5..918084cf 100644 --- a/exercises/primitive_types/primitive_types2.rs +++ b/exercises/primitive_types/primitive_types2.rs @@ -2,8 +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 +14,7 @@ fn main() { println!("Neither alphabetic nor numeric!"); } - let // Finish this line like the example! What's your favorite character? + let your_character = '1';// 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 aaa518be..769a2073 100644 --- a/exercises/primitive_types/primitive_types3.rs +++ b/exercises/primitive_types/primitive_types3.rs @@ -2,10 +2,8 @@ // 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 = ['P'; 100]; 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 10b553e9..f62477a3 100644 --- a/exercises/primitive_types/primitive_types4.rs +++ b/exercises/primitive_types/primitive_types4.rs @@ -8,7 +8,7 @@ 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 680d8d23..85f42cfc 100644 --- a/exercises/primitive_types/primitive_types5.rs +++ b/exercises/primitive_types/primitive_types5.rs @@ -2,11 +2,9 @@ // 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 b8c9b82b..0c877aa6 100644 --- a/exercises/primitive_types/primitive_types6.rs +++ b/exercises/primitive_types/primitive_types6.rs @@ -3,13 +3,11 @@ // You can put the expression for the second element where ??? is so that the test passes. // Execute `rustlings hint primitive_types6` for hints! -// I AM NOT DONE - #[test] fn indexing_tuple() { let numbers = (1, 2, 3); // Replace below ??? with the tuple indexing syntax. - let second = ???; + let second = numbers.1; assert_eq!(2, second, "This is not the 2nd number in the tuple!") diff --git a/exercises/quiz1.rs b/exercises/quiz1.rs index 7bd3f589..74b4d4be 100644 --- a/exercises/quiz1.rs +++ b/exercises/quiz1.rs @@ -8,10 +8,20 @@ // more than 40 at once, each apple only costs 1! Write a function that calculates // the price of an order of apples given the quantity bought. No hints this time! -// I AM NOT DONE - // Put your function here! -// fn calculate_apple_price { +fn calculate_apple_price(orderCount:i32) -> i32 { + + + if orderCount > 40 + { + orderCount + } + else + { + orderCount*2 + } + +} // Don't modify this function! #[test] diff --git a/exercises/quiz2.rs b/exercises/quiz2.rs index de0dce95..613c1d92 100644 --- a/exercises/quiz2.rs +++ b/exercises/quiz2.rs @@ -7,8 +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 +15,14 @@ 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/strings/strings1.rs b/exercises/strings/strings1.rs index 80902444..e43c88a4 100644 --- a/exercises/strings/strings1.rs +++ b/exercises/strings/strings1.rs @@ -2,13 +2,11 @@ // 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(); println!("My current favorite color is {}", answer); } fn current_favorite_color() -> String { - "blue" + String::from("blue") } diff --git a/exercises/strings/strings2.rs b/exercises/strings/strings2.rs index 5a2ce74a..a048f882 100644 --- a/exercises/strings/strings2.rs +++ b/exercises/strings/strings2.rs @@ -2,11 +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 :) - 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 6d0b2f49..36b81aa6 100644 --- a/exercises/structs/structs1.rs +++ b/exercises/structs/structs1.rs @@ -1,13 +1,12 @@ // 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; @@ -19,7 +18,10 @@ 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 +30,7 @@ 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"); @@ -37,7 +39,7 @@ 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!"); diff --git a/exercises/structs/structs2.rs b/exercises/structs/structs2.rs index f9c6427d..daae8330 100644 --- a/exercises/structs/structs2.rs +++ b/exercises/structs/structs2.rs @@ -1,8 +1,6 @@ // structs2.rs // Address all the TODOs to make the tests pass! -// I AM NOT DONE - #[derive(Debug)] struct Order { name: String, @@ -34,7 +32,15 @@ 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"), + year: order_template.year, + made_by_phone: order_template.made_by_phone, + made_by_mobile: order_template.made_by_mobile, + made_by_email: order_template.made_by_email, + item_number: order_template.item_number, + count: 1, + }; 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 e84f2ebc..f55a691f 100644 --- a/exercises/structs/structs3.rs +++ b/exercises/structs/structs3.rs @@ -4,7 +4,6 @@ // Make the code compile and the tests pass! // If you have issues execute `rustlings hint structs3` -// I AM NOT DONE #[derive(Debug)] struct Package { @@ -16,7 +15,7 @@ struct Package { impl Package { fn new(sender_country: String, recipient_country: String, weight_in_grams: i32) -> Package { if weight_in_grams <= 0 { - // panic statement goes here... + panic!(); } else { Package { sender_country, @@ -26,12 +25,12 @@ impl Package { } } - fn is_international(&self) -> ??? { - // Something goes here... + fn is_international(&self) -> bool { + self.sender_country != self.recipient_country } - fn get_fees(&self, cents_per_gram: i32) -> ??? { - // Something goes here... + fn get_fees(&self, cents_per_gram: i32) -> i32 { + self.weight_in_grams*cents_per_gram } } diff --git a/exercises/variables/variables1.rs b/exercises/variables/variables1.rs index d1af8311..f41da792 100644 --- a/exercises/variables/variables1.rs +++ b/exercises/variables/variables1.rs @@ -2,9 +2,7 @@ // Make me compile! // Execute the command `rustlings hint variables1` if you want a hint :) -// 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 7774a8fb..81e78d53 100644 --- a/exercises/variables/variables2.rs +++ b/exercises/variables/variables2.rs @@ -1,10 +1,8 @@ // 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:i32 = 10; if x == 10 { println!("Ten!"); } else { diff --git a/exercises/variables/variables3.rs b/exercises/variables/variables3.rs index 30ec48ff..7d84709d 100644 --- a/exercises/variables/variables3.rs +++ b/exercises/variables/variables3.rs @@ -1,10 +1,8 @@ // 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 77f1e9ab..62fb1c2a 100644 --- a/exercises/variables/variables4.rs +++ b/exercises/variables/variables4.rs @@ -1,9 +1,7 @@ // 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 = 10; println!("Number {}", x); } diff --git a/exercises/variables/variables5.rs b/exercises/variables/variables5.rs index 175eebb3..e31ab3f2 100644 --- a/exercises/variables/variables5.rs +++ b/exercises/variables/variables5.rs @@ -1,11 +1,9 @@ // variables5.rs // Make me compile! Execute the command `rustlings hint variables5` if you want a hint :) -// I AM NOT DONE - fn main() { let number = "T-H-R-E-E"; // don't change this line println!("Spell a Number : {}", number); - number = 3; + let number = 3; println!("Number plus two is : {}", number + 2); } diff --git a/exercises/variables/variables6.rs b/exercises/variables/variables6.rs index 98666914..9d85a88c 100644 --- a/exercises/variables/variables6.rs +++ b/exercises/variables/variables6.rs @@ -1,9 +1,7 @@ // 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:i32 = 3; fn main() { println!("Number {}", NUMBER); } diff --git a/rustlings b/rustlings new file mode 160000 index 00000000..d57c1830 --- /dev/null +++ b/rustlings @@ -0,0 +1 @@ +Subproject commit d57c1830280b2dbc1b9fe2ac3f48b51add591412