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Author SHA1 Message Date
AramJonghu 27abea4b5b chore(workflow): cleanup of unused workflows 2026-07-09 16:40:30 +02:00
41 changed files with 50 additions and 182 deletions
Generated
-4
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@@ -167,10 +167,6 @@ dependencies = [
"windows-sys 0.61.2", "windows-sys 0.61.2",
] ]
[[package]]
name = "exercises"
version = "0.0.0"
[[package]] [[package]]
name = "fastrand" name = "fastrand"
version = "2.4.1" version = "2.4.1"
+1 -4
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@@ -1,10 +1,7 @@
[workspace] [workspace]
members = [
"rustlings-macros",
"dev",
]
exclude = [ exclude = [
"tests/test_exercises", "tests/test_exercises",
"dev",
] ]
[workspace.package] [workspace.package]
+1 -1
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@@ -8,7 +8,7 @@ fn is_even(num: i64) -> bool {
} }
// TODO: Fix the function signature. // TODO: Fix the function signature.
fn sale_price(price: i64) -> i64 { fn sale_price(price: i64) -> {
if is_even(price) { if is_even(price) {
price - 10 price - 10
} else { } else {
+1 -1
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@@ -1,6 +1,6 @@
// TODO: Fix the function body without changing the signature. // TODO: Fix the function body without changing the signature.
fn square(num: i32) -> i32 { fn square(num: i32) -> i32 {
num * num num * num;
} }
fn main() { fn main() {
-5
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@@ -4,11 +4,6 @@ fn bigger(a: i32, b: i32) -> i32 {
// Do not use: // Do not use:
// - another function call // - another function call
// - additional variables // - additional variables
if a > b {
a
} else {
b
}
} }
fn main() { fn main() {
+1 -3
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@@ -2,10 +2,8 @@
fn picky_eater(food: &str) -> &str { fn picky_eater(food: &str) -> &str {
if food == "strawberry" { if food == "strawberry" {
"Yummy!" "Yummy!"
} else if food == "potato" {
"I guess I can eat that."
} else { } else {
"No thanks!" 1
} }
} }
+2 -2
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@@ -3,11 +3,11 @@ fn animal_habitat(animal: &str) -> &str {
let identifier = if animal == "crab" { let identifier = if animal == "crab" {
1 1
} else if animal == "gopher" { } else if animal == "gopher" {
2 2.0
} else if animal == "snake" { } else if animal == "snake" {
3 3
} else { } else {
0 "Unknown"
}; };
// Don't change the expression below! // Don't change the expression below!
@@ -8,8 +8,7 @@ fn main() {
// TODO: Define a boolean variable with the name `is_evening` before the `if` statement below. // TODO: Define a boolean variable with the name `is_evening` before the `if` statement below.
// The value of the variable should be the negation (opposite) of `is_morning`. // The value of the variable should be the negation (opposite) of `is_morning`.
let is_evening = true; // let …
if is_evening { if is_evening {
println!("Good evening!"); println!("Good evening!");
} }
@@ -17,7 +17,6 @@ fn main() {
// Try a letter, try a digit (in single quotes), try a special character, try a character // Try a letter, try a digit (in single quotes), try a special character, try a character
// from a different language than your own, try an emoji 😉 // from a different language than your own, try an emoji 😉
// let your_character = ''; // let your_character = '';
let your_character = '僕';
if your_character.is_alphabetic() { if your_character.is_alphabetic() {
println!("Alphabetical!"); println!("Alphabetical!");
@@ -2,14 +2,6 @@ fn main() {
// TODO: Create an array called `a` with at least 100 elements in it. // TODO: Create an array called `a` with at least 100 elements in it.
// let a = ??? // let a = ???
let a = [
1, 2, 3, 4, 5, 6, 7, 1, 231, 234, 11, 4512, 51, 5, 12, 51, 25, 12, 45, 134, 12, 412, 45,
12, 512, 512, 5, 12, 512, 4, 124, 12, 5, 125, 123, 3412, 45, 123, 5123, 5, 12345, 123, 412,
56, 1236, 234, 6345, 6534, 6, 547, 456, 754, 6, 345, 34, 534, 6, 235, 123, 4523, 4523, 5,
235, 235, 2, 532, 523, 23, 124, 21, 2, 3, 51235, 664, 3466, 345,312,312,421,412,45,1245,123,423,523,56,234,5234,5234,5,346,345,6745,7456,7456,7,456,7456,7,4, 2, 6, 23, 12, 4512, 512,
5, 512, 5, 125, 125, 125, 12, 56, 75, 7456, 87,
];
if a.len() >= 100 { if a.len() >= 100 {
println!("Wow, that's a big array!"); println!("Wow, that's a big array!");
} else { } else {
@@ -11,7 +11,6 @@ mod tests {
// TODO: Get a slice called `nice_slice` out of the array `a` so that the test passes. // TODO: Get a slice called `nice_slice` out of the array `a` so that the test passes.
// let nice_slice = ??? // let nice_slice = ???
let nice_slice = &a[1..4];
assert_eq!([2, 3, 4], nice_slice); assert_eq!([2, 3, 4], nice_slice);
} }
} }
@@ -4,7 +4,5 @@ fn main() {
// TODO: Destructure the `cat` tuple in one statement so that the println works. // TODO: Destructure the `cat` tuple in one statement so that the println works.
// let /* your pattern here */ = cat; // let /* your pattern here */ = cat;
let (name, age) = cat;
println!("{name} is {age} years old"); println!("{name} is {age} years old");
} }
@@ -4,7 +4,6 @@ fn main() {
#[cfg(test)] #[cfg(test)]
mod tests { mod tests {
#[test] #[test]
fn indexing_tuple() { fn indexing_tuple() {
let numbers = (1, 2, 3); let numbers = (1, 2, 3);
@@ -12,7 +11,6 @@ mod tests {
// TODO: Use a tuple index to access the second element of `numbers` // TODO: Use a tuple index to access the second element of `numbers`
// and assign it to a variable called `second`. // and assign it to a variable called `second`.
// let second = ???; // let second = ???;
let second = numbers.1;
assert_eq!(second, 2, "This is not the 2nd number in the tuple!"); assert_eq!(second, 2, "This is not the 2nd number in the tuple!");
} }
-2
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@@ -1,8 +1,6 @@
fn elems_to_vec(a: i32, b: i32, c: i32) -> Vec<i32> { fn elems_to_vec(a: i32, b: i32, c: i32) -> Vec<i32> {
// TODO: Return a vector containing the elements a, b and c (in this order). // TODO: Return a vector containing the elements a, b and c (in this order).
// Use the "vec!" macro. // Use the "vec!" macro.
let vector: Vec<i32> = vec![a, b, c];
vector
} }
fn main() { fn main() {
-2
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@@ -4,8 +4,6 @@ fn vec_loop(input: &[i32]) -> Vec<i32> {
for element in input { for element in input {
// TODO: Multiply each element in the `input` slice by 2 and push it to // TODO: Multiply each element in the `input` slice by 2 and push it to
// the `output` vector. // the `output` vector.
output.push(element * 2);
} }
output output
@@ -1,6 +1,6 @@
// TODO: Fix the compiler error in this function. // TODO: Fix the compiler error in this function.
fn fill_vec(vec: Vec<i32>) -> Vec<i32> { fn fill_vec(vec: Vec<i32>) -> Vec<i32> {
let mut vec = vec; let vec = vec;
vec.push(88); vec.push(88);
@@ -20,7 +20,7 @@ mod tests {
fn move_semantics2() { fn move_semantics2() {
let vec0 = vec![22, 44, 66]; let vec0 = vec![22, 44, 66];
let vec1 = fill_vec(vec0.clone()); let vec1 = fill_vec(vec0);
assert_eq!(vec0, [22, 44, 66]); assert_eq!(vec0, [22, 44, 66]);
assert_eq!(vec1, [22, 44, 66, 88]); assert_eq!(vec1, [22, 44, 66, 88]);
@@ -1,5 +1,5 @@
// TODO: Fix the compiler error in the function without adding any new line. // TODO: Fix the compiler error in the function without adding any new line.
fn fill_vec(mut vec: Vec<i32>) -> Vec<i32> { fn fill_vec(vec: Vec<i32>) -> Vec<i32> {
vec.push(88); vec.push(88);
vec vec
@@ -10,8 +10,8 @@ mod tests {
fn move_semantics4() { fn move_semantics4() {
let mut x = Vec::new(); let mut x = Vec::new();
let y = &mut x; let y = &mut x;
y.push(42);
let z = &mut x; let z = &mut x;
y.push(42);
z.push(13); z.push(13);
assert_eq!(x, [42, 13]); assert_eq!(x, [42, 13]);
} }
@@ -4,12 +4,12 @@
// removing references (the character `&`). // removing references (the character `&`).
// Shouldn't take ownership // Shouldn't take ownership
fn get_char(data: &String) -> char { fn get_char(data: String) -> char {
data.chars().last().unwrap() data.chars().last().unwrap()
} }
// Should take ownership // Should take ownership
fn string_uppercase(mut data: String) { fn string_uppercase(mut data: &String) {
data = data.to_uppercase(); data = data.to_uppercase();
println!("{data}"); println!("{data}");
@@ -18,7 +18,7 @@ fn string_uppercase(mut data: String) {
fn main() { fn main() {
let data = "Rust is great!".to_string(); let data = "Rust is great!".to_string();
get_char(&data); get_char(data);
string_uppercase(data); string_uppercase(&data);
} }
+4 -11
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@@ -1,12 +1,9 @@
struct ColorRegularStruct { struct ColorRegularStruct {
// TODO: Add the fields that the test `regular_structs` expects. // TODO: Add the fields that the test `regular_structs` expects.
// What types should the fields have? What are the minimum and maximum values for RGB colors? // What types should the fields have? What are the minimum and maximum values for RGB colors?
red: u8,
green: u8,
blue: u8,
} }
struct ColorTupleStruct(u8, u8, u8); struct ColorTupleStruct(/* TODO: Add the fields that the test `tuple_structs` expects */);
#[derive(Debug)] #[derive(Debug)]
struct UnitStruct; struct UnitStruct;
@@ -23,11 +20,7 @@ mod tests {
fn regular_structs() { fn regular_structs() {
// TODO: Instantiate a regular struct. // TODO: Instantiate a regular struct.
// let green = // let green =
let green = ColorRegularStruct {
red: 0,
green: 255,
blue: 0,
};
assert_eq!(green.red, 0); assert_eq!(green.red, 0);
assert_eq!(green.green, 255); assert_eq!(green.green, 255);
assert_eq!(green.blue, 0); assert_eq!(green.blue, 0);
@@ -37,7 +30,7 @@ mod tests {
fn tuple_structs() { fn tuple_structs() {
// TODO: Instantiate a tuple struct. // TODO: Instantiate a tuple struct.
// let green = // let green =
let green = ColorTupleStruct(0, 255, 0);
assert_eq!(green.0, 0); assert_eq!(green.0, 0);
assert_eq!(green.1, 255); assert_eq!(green.1, 255);
assert_eq!(green.2, 0); assert_eq!(green.2, 0);
@@ -46,7 +39,7 @@ mod tests {
#[test] #[test]
fn unit_structs() { fn unit_structs() {
// TODO: Instantiate a unit struct. // TODO: Instantiate a unit struct.
let unit_struct = UnitStruct; // let unit_struct =
let message = format!("{unit_struct:?}s are fun!"); let message = format!("{unit_struct:?}s are fun!");
assert_eq!(message, "UnitStructs are fun!"); assert_eq!(message, "UnitStructs are fun!");
-6
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@@ -36,12 +36,6 @@ mod tests {
// TODO: Create your own order using the update syntax and template above! // TODO: Create your own order using the update syntax and template above!
// let your_order = // let your_order =
let your_order = Order {
name: "Hacker in Rust".to_string(),
count: 1,
..order_template
};
assert_eq!(your_order.name, "Hacker in Rust"); assert_eq!(your_order.name, "Hacker in Rust");
assert_eq!(your_order.year, order_template.year); assert_eq!(your_order.year, order_template.year);
assert_eq!(your_order.made_by_phone, order_template.made_by_phone); assert_eq!(your_order.made_by_phone, order_template.made_by_phone);
+11 -10
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@@ -10,18 +10,19 @@ struct Fireworks {
rockets: usize, rockets: usize,
} }
impl Fireworks { // TODO: Turn this function into an associated function on `Fireworks`.
fn new() -> Self { fn new_fireworks() -> Fireworks {
Self { rockets: 0 } Fireworks { rockets: 0 }
} }
fn add_rockets(&mut self, rockets: usize) { // TODO: Turn this function into a method on `Fireworks`.
self.rockets += rockets fn add_rockets(fireworks: &mut Fireworks, rockets: usize) {
} fireworks.rockets += rockets
}
fn start(self) -> String { // TODO: Turn this function into a method on `Fireworks`.
"🚀".repeat(self.rockets) fn start(fireworks: Fireworks) -> String {
} "🚀".repeat(fireworks.rockets)
} }
fn main() { fn main() {
-5
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@@ -1,11 +1,6 @@
#[derive(Debug)] #[derive(Debug)]
enum Message { enum Message {
// TODO: Define a few types of messages as used below. // TODO: Define a few types of messages as used below.
Resize,
Move,
Echo,
ChangeColor,
Quit,
} }
fn main() { fn main() {
-5
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@@ -7,11 +7,6 @@ struct Point {
#[derive(Debug)] #[derive(Debug)]
enum Message { enum Message {
// TODO: Define the different variants used below. // TODO: Define the different variants used below.
Resize { width: u64, height: u64 },
Move(Point),
Echo(String),
ChangeColor(u64, u64, u64),
Quit,
} }
impl Message { impl Message {
-7
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@@ -46,13 +46,6 @@ impl State {
fn process(&mut self, message: Message) { fn process(&mut self, message: Message) {
// TODO: Create a match expression to process the different message // TODO: Create a match expression to process the different message
// variants using the methods defined above. // variants using the methods defined above.
match message {
Message::Resize { width, height } => self.resize(width, height),
Message::Move(point) => self.move_position(point),
Message::Echo(s) => self.echo(s),
Message::ChangeColor(red, green, blue) => self.change_color(red, green, blue),
Message::Quit => self.quit(),
}
} }
} }
+1 -1
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@@ -1,6 +1,6 @@
// TODO: Fix the compiler error without changing the function signature. // TODO: Fix the compiler error without changing the function signature.
fn current_favorite_color() -> String { fn current_favorite_color() -> String {
"blue".to_string() "blue"
} }
fn main() { fn main() {
+1 -1
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@@ -6,7 +6,7 @@ fn is_a_color_word(attempt: &str) -> bool {
fn main() { fn main() {
let word = String::from("green"); // Don't change this line. let word = String::from("green"); // Don't change this line.
if is_a_color_word(&word) { if is_a_color_word(word) {
println!("That is a color word I know!"); println!("That is a color word I know!");
} else { } else {
println!("That is not a color word I know."); println!("That is not a color word I know.");
-5
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@@ -1,18 +1,13 @@
fn trim_me(input: &str) -> &str { fn trim_me(input: &str) -> &str {
// TODO: Remove whitespace from both ends of a string. // TODO: Remove whitespace from both ends of a string.
input.trim()
} }
fn compose_me(input: &str) -> String { fn compose_me(input: &str) -> String {
// TODO: Add " world!" to the string! There are multiple ways to do this. // TODO: Add " world!" to the string! There are multiple ways to do this.
let world = " world!";
let s: String = input.to_owned() + world;
s
} }
fn replace_me(input: &str) -> String { fn replace_me(input: &str) -> String {
// TODO: Replace "cars" in the string with "balloons". // TODO: Replace "cars" in the string with "balloons".
input.replace("cars", "balloons")
} }
fn main() { fn main() {
+9 -9
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@@ -13,23 +13,23 @@ fn string(arg: String) {
// Your task is to replace `placeholder(…)` with either `string_slice(…)` // Your task is to replace `placeholder(…)` with either `string_slice(…)`
// or `string(…)` depending on what you think each value is. // or `string(…)` depending on what you think each value is.
fn main() { fn main() {
string_slice("blue"); placeholder("blue");
string("red".to_string()); placeholder("red".to_string());
string(String::from("hi")); placeholder(String::from("hi"));
string("rust is fun!".to_owned()); placeholder("rust is fun!".to_owned());
string(format!("Interpolation {}", "Station")); placeholder(format!("Interpolation {}", "Station"));
// WARNING: This is byte indexing, not character indexing. // WARNING: This is byte indexing, not character indexing.
// Character indexing can be done using `s.chars().nth(INDEX)`. // Character indexing can be done using `s.chars().nth(INDEX)`.
string_slice(&String::from("abc")[0..1]); placeholder(&String::from("abc")[0..1]);
string_slice(" hello there ".trim()); placeholder(" hello there ".trim());
string("Happy Monday!".replace("Mon", "Tues")); placeholder("Happy Monday!".replace("Mon", "Tues"));
string("mY sHiFt KeY iS sTiCkY".to_lowercase()); placeholder("mY sHiFt KeY iS sTiCkY".to_lowercase());
} }
+1 -1
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@@ -5,7 +5,7 @@ mod sausage_factory {
String::from("Ginger") String::from("Ginger")
} }
pub fn make_sausage() { fn make_sausage() {
get_secret_recipe(); get_secret_recipe();
println!("sausage!"); println!("sausage!");
} }
-3
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@@ -6,9 +6,6 @@ mod delicious_snacks {
// use self::fruits::PEAR as ???; // use self::fruits::PEAR as ???;
// use self::veggies::CUCUMBER as ???; // use self::veggies::CUCUMBER as ???;
pub use self::fruits::PEAR as fruit;
pub use self::veggies::CUCUMBER as veggie;
mod fruits { mod fruits {
pub const PEAR: &str = "Pear"; pub const PEAR: &str = "Pear";
pub const APPLE: &str = "Apple"; pub const APPLE: &str = "Apple";
-2
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@@ -4,8 +4,6 @@
// TODO: Bring `SystemTime` and `UNIX_EPOCH` from the `std::time` module into // TODO: Bring `SystemTime` and `UNIX_EPOCH` from the `std::time` module into
// your scope. Bonus style points if you can do it with one line! // your scope. Bonus style points if you can do it with one line!
// use ???; // use ???;
use std::time::SystemTime;
use std::time::UNIX_EPOCH;
fn main() { fn main() {
match SystemTime::now().duration_since(UNIX_EPOCH) { match SystemTime::now().duration_since(UNIX_EPOCH) {
+2 -3
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@@ -9,11 +9,10 @@ use std::collections::HashMap;
fn fruit_basket() -> HashMap<String, u32> { fn fruit_basket() -> HashMap<String, u32> {
// TODO: Declare the hash map. // TODO: Declare the hash map.
// let mut basket = // let mut basket =
let mut basket = HashMap::new();
// Two bananas are already given for you :) // Two bananas are already given for you :)
basket.insert(String::from("banana"), 2); basket.insert(String::from("banana"), 2);
basket.insert(String::from("apple"), 2);
basket.insert(String::from("mango"), 1);
// TODO: Put more fruits in your basket. // TODO: Put more fruits in your basket.
basket basket
+1 -3
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@@ -28,12 +28,10 @@ fn fruit_basket(basket: &mut HashMap<Fruit, u32>) {
Fruit::Pineapple, Fruit::Pineapple,
]; ];
for _fruit in fruit_kinds { for fruit in fruit_kinds {
// TODO: Insert new fruits if they are not already present in the // TODO: Insert new fruits if they are not already present in the
// basket. Note that you are not allowed to put any type of fruit that's // basket. Note that you are not allowed to put any type of fruit that's
// already present! // already present!
basket.insert(Fruit::Banana, 4);
basket.insert(Fruit::Pineapple, 3);
} }
} }
-5
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@@ -27,11 +27,6 @@ fn build_scores_table(results: &str) -> HashMap<&str, TeamScores> {
let team_1_score: u8 = split_iterator.next().unwrap().parse().unwrap(); let team_1_score: u8 = split_iterator.next().unwrap().parse().unwrap();
let team_2_score: u8 = split_iterator.next().unwrap().parse().unwrap(); let team_2_score: u8 = split_iterator.next().unwrap().parse().unwrap();
scores.entry(team_1_name).or_default().goals_scored += team_1_score;
scores.entry(team_2_name).or_default().goals_scored += team_2_score;
scores.entry(team_1_name).or_default().goals_conceded += team_2_score;
scores.entry(team_2_name).or_default().goals_conceded += team_1_score;
// TODO: Populate the scores table with the extracted details. // TODO: Populate the scores table with the extracted details.
// Keep in mind that goals scored by team 1 will be the number of goals // Keep in mind that goals scored by team 1 will be the number of goals
// conceded by team 2. Similarly, goals scored by team 2 will be the // conceded by team 2. Similarly, goals scored by team 2 will be the
+1 -9
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@@ -4,14 +4,6 @@
// `hour_of_day` is higher than 23. // `hour_of_day` is higher than 23.
fn maybe_ice_cream(hour_of_day: u16) -> Option<u16> { fn maybe_ice_cream(hour_of_day: u16) -> Option<u16> {
// TODO: Complete the function body. // TODO: Complete the function body.
if hour_of_day < 22 {
Some(5)
} else if hour_of_day <= 23 {
Some(0)
} else {
None
}
} }
fn main() { fn main() {
@@ -26,7 +18,7 @@ mod tests {
fn raw_value() { fn raw_value() {
// TODO: Fix this test. How do you get the value contained in the // TODO: Fix this test. How do you get the value contained in the
// Option? // Option?
let ice_creams = maybe_ice_cream(12).unwrap(); let ice_creams = maybe_ice_cream(12);
assert_eq!(ice_creams, 5); // Don't change this line. assert_eq!(ice_creams, 5); // Don't change this line.
} }
+3 -13
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@@ -10,12 +10,8 @@ mod tests {
let optional_target = Some(target); let optional_target = Some(target);
// TODO: Make this an if-let statement whose value is `Some`. // TODO: Make this an if-let statement whose value is `Some`.
// word = optional_target {
// word = optional_target { assert_eq!(word, target);
// assert_eq!(word, target);
// }
if let Some(word) = optional_target {
assert_eq!(word, target)
} }
} }
@@ -33,13 +29,7 @@ mod tests {
// TODO: Make this a while-let statement. Remember that `Vec::pop()` // TODO: Make this a while-let statement. Remember that `Vec::pop()`
// adds another layer of `Option`. You can do nested pattern matching // adds another layer of `Option`. You can do nested pattern matching
// in if-let and while-let statements. // in if-let and while-let statements.
// integer = optional_integers.pop() {
// integer = optional_integers.pop() {
// assert_eq!(integer, cursor);
// cursor -= 1;
// }
while let Some(Some(integer)) = optional_integers.pop() {
assert_eq!(integer, cursor); assert_eq!(integer, cursor);
cursor -= 1; cursor -= 1;
} }
+1 -3
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@@ -9,9 +9,7 @@ fn main() {
// TODO: Fix the compiler error by adding something to this match statement. // TODO: Fix the compiler error by adding something to this match statement.
match optional_point { match optional_point {
Some(ref p) => { Some(p) => println!("Coordinates are {},{}", p.x, p.y),
println!("Coordinates are {},{}", p.x, p.y)
}
_ => panic!("No match!"), _ => panic!("No match!"),
} }
-12
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@@ -11,18 +11,6 @@
// TODO: Write a function that calculates the price of an order of apples given // TODO: Write a function that calculates the price of an order of apples given
// the quantity bought. // the quantity bought.
// fn calculate_price_of_apples(???) -> ??? { ??? } // fn calculate_price_of_apples(???) -> ??? { ??? }
fn calculate_price_of_apples(apples: i32) -> i32 {
let mut cost: i32 = 2;
if apples > 40 {
cost = 1;
cost *= apples;
cost
} else {
cost *= apples;
cost
}
}
fn main() { fn main() {
// You can optionally experiment here. // You can optionally experiment here.
-20
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@@ -28,25 +28,6 @@ mod my_module {
// TODO: Complete the function as described above. // TODO: Complete the function as described above.
// pub fn transformer(input: ???) -> ??? { ??? } // pub fn transformer(input: ???) -> ??? { ??? }
pub fn transformer(input: Vec<(String, Command)>) -> Vec<String> {
let mut output = Vec::new();
for (s, cmd) in input {
let transformed = match cmd {
Command::Uppercase => s.to_uppercase(),
Command::Trim => s.trim().to_owned(),
Command::Append(n) => {
let mut out = s;
for _ in 0..n {
out.push_str("bar");
}
out
}
};
output.push(transformed)
}
output
}
} }
fn main() { fn main() {
@@ -58,7 +39,6 @@ mod tests {
// TODO: What do we need to import to have `transformer` in scope? // TODO: What do we need to import to have `transformer` in scope?
// use ???; // use ???;
use super::Command; use super::Command;
use crate::my_module::transformer;
#[test] #[test]
fn it_works() { fn it_works() {