This commit is contained in:
Tommi Fish 2024-02-19 14:05:57 +00:00
parent 8d0aa11a35
commit 4cf59332ab
26 changed files with 51 additions and 60 deletions

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@ -13,7 +13,6 @@
// Execute `rustlings hint intro1` or use the `hint` watch subcommand for a // Execute `rustlings hint intro1` or use the `hint` watch subcommand for a
// hint. // hint.
// I AM NOT DONE
fn main() { fn main() {
println!("Hello and"); println!("Hello and");

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@ -5,8 +5,7 @@
// Execute `rustlings hint intro2` or use the `hint` watch subcommand for a // Execute `rustlings hint intro2` or use the `hint` watch subcommand for a
// hint. // hint.
// I AM NOT DONE
fn main() { fn main() {
printline!("Hello there!") println!("Hello there!")
} }

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@ -5,9 +5,8 @@
// Execute `rustlings hint variables1` or use the `hint` watch subcommand for a // Execute `rustlings hint variables1` or use the `hint` watch subcommand for a
// hint. // hint.
// I AM NOT DONE
fn main() { fn main() {
x = 5; let x = 5;
println!("x has the value {}", x); println!("x has the value {}", x);
} }

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@ -3,10 +3,9 @@
// Execute `rustlings hint variables2` or use the `hint` watch subcommand for a // Execute `rustlings hint variables2` or use the `hint` watch subcommand for a
// hint. // hint.
// I AM NOT DONE
fn main() { fn main() {
let x; let x: i32=0;
if x == 10 { if x == 10 {
println!("x is ten!"); println!("x is ten!");
} else { } else {

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@ -3,9 +3,8 @@
// Execute `rustlings hint variables3` or use the `hint` watch subcommand for a // Execute `rustlings hint variables3` or use the `hint` watch subcommand for a
// hint. // hint.
// I AM NOT DONE
fn main() { fn main() {
let x: i32; let x: i32=0;
println!("Number {}", x); println!("Number {}", x);
} }

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@ -3,10 +3,9 @@
// Execute `rustlings hint variables4` or use the `hint` watch subcommand for a // Execute `rustlings hint variables4` or use the `hint` watch subcommand for a
// hint. // hint.
// I AM NOT DONE
fn main() { fn main() {
let x = 3; let mut x = 3;
println!("Number {}", x); println!("Number {}", x);
x = 5; // don't change this line x = 5; // don't change this line
println!("Number {}", x); println!("Number {}", x);

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@ -3,11 +3,10 @@
// Execute `rustlings hint variables5` or use the `hint` watch subcommand for a // Execute `rustlings hint variables5` or use the `hint` watch subcommand for a
// hint. // hint.
// I AM NOT DONE
fn main() { fn main() {
let number = "T-H-R-E-E"; // don't change this line let number = "T-H-R-E-E"; // don't change this line
println!("Spell a Number : {}", number); println!("Spell a Number : {}", number);
number = 3; // don't rename this variable let number = 3; // don't rename this variable
println!("Number plus two is : {}", number + 2); println!("Number plus two is : {}", number + 2);
} }

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@ -3,9 +3,8 @@
// Execute `rustlings hint variables6` or use the `hint` watch subcommand for a // Execute `rustlings hint variables6` or use the `hint` watch subcommand for a
// hint. // hint.
// I AM NOT DONE
const NUMBER = 3; const number :i32=32;
fn main() { fn main() {
println!("Number {}", NUMBER); println!("Number {}", number);
} }

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@ -3,8 +3,7 @@
// Execute `rustlings hint functions1` or use the `hint` watch subcommand for a // Execute `rustlings hint functions1` or use the `hint` watch subcommand for a
// hint. // hint.
// I AM NOT DONE
fn main() { fn main() {
call_me();
} }

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@ -3,13 +3,12 @@
// Execute `rustlings hint functions2` or use the `hint` watch subcommand for a // Execute `rustlings hint functions2` or use the `hint` watch subcommand for a
// hint. // hint.
// I AM NOT DONE
fn main() { fn main() {
call_me(3); call_me(66);
} }
fn call_me(num:) { fn call_me(num:i32) {
for i in 0..num { for i in 0..num {
println!("Ring! Call number {}", i + 1); println!("Ring! Call number {}", i + 1);
} }

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@ -3,10 +3,9 @@
// Execute `rustlings hint functions3` or use the `hint` watch subcommand for a // Execute `rustlings hint functions3` or use the `hint` watch subcommand for a
// hint. // hint.
// I AM NOT DONE
fn main() { fn main() {
call_me(); call_me(22);
} }
fn call_me(num: u32) { fn call_me(num: u32) {

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@ -8,14 +8,13 @@
// Execute `rustlings hint functions4` or use the `hint` watch subcommand for a // Execute `rustlings hint functions4` or use the `hint` watch subcommand for a
// hint. // hint.
// I AM NOT DONE
fn main() { fn main() {
let original_price = 51; let original_price = 51;
println!("Your sale price is {}", sale_price(original_price)); println!("Your sale price is {}", sale_price(original_price));
} }
fn sale_price(price: i32) -> { fn sale_price(price: i32) -> i32 {
if is_even(price) { if is_even(price) {
price - 10 price - 10
} else { } else {

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@ -3,7 +3,6 @@
// Execute `rustlings hint functions5` or use the `hint` watch subcommand for a // Execute `rustlings hint functions5` or use the `hint` watch subcommand for a
// hint. // hint.
// I AM NOT DONE
fn main() { fn main() {
let answer = square(3); let answer = square(3);
@ -11,5 +10,6 @@ fn main() {
} }
fn square(num: i32) -> i32 { fn square(num: i32) -> i32 {
num * num; let res:i32 = num * num;
return res
} }

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@ -2,13 +2,17 @@
// //
// Execute `rustlings hint if1` or use the `hint` watch subcommand for a hint. // Execute `rustlings hint if1` or use the `hint` watch subcommand for a hint.
// I AM NOT DONE
pub fn bigger(a: i32, b: i32) -> i32 { pub fn bigger(a: i32, b: i32) -> i32 {
// Complete this function to return the bigger number! if a > b {
// Do not use: return a
// - another function call }
// - additional variables if a == b {
return a
}
else {
return b
}
} }
// Don't mind this for now :) // Don't mind this for now :)

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@ -5,13 +5,16 @@
// //
// Execute `rustlings hint if2` or use the `hint` watch subcommand for a hint. // Execute `rustlings hint if2` or use the `hint` watch subcommand for a hint.
// I AM NOT DONE
pub fn foo_if_fizz(fizzish: &str) -> &str { pub fn foo_if_fizz(fizzish: &str) -> &str {
if fizzish == "fizz" { if fizzish == "fizz" {
"foo" "foo"
} else { }
1 else if fizzish == "fuzz"{
"bar"
}
else {
"baz"
} }
} }

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@ -2,17 +2,16 @@
// //
// Execute `rustlings hint if3` or use the `hint` watch subcommand for a hint. // Execute `rustlings hint if3` or use the `hint` watch subcommand for a hint.
// I AM NOT DONE
pub fn animal_habitat(animal: &str) -> &'static str { pub fn animal_habitat(animal: &str) -> &'static str {
let identifier = if animal == "crab" { let identifier = if animal == "crab" {
1 1
} else if animal == "gopher" { } else if animal == "gopher" {
2.0 2
} else if animal == "snake" { } else if animal == "snake" {
3 3
} else { } else {
"Unknown" 4
}; };
// DO NOT CHANGE THIS STATEMENT BELOW // DO NOT CHANGE THIS STATEMENT BELOW

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@ -3,7 +3,6 @@
// Fill in the rest of the line that has code missing! No hints, there's no // Fill in the rest of the line that has code missing! No hints, there's no
// tricks, just get used to typing these :) // tricks, just get used to typing these :)
// I AM NOT DONE
fn main() { fn main() {
// Booleans (`bool`) // Booleans (`bool`)
@ -13,7 +12,7 @@ fn main() {
println!("Good morning!"); 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 { if is_evening {
println!("Good evening!"); println!("Good evening!");
} }

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@ -3,7 +3,6 @@
// Fill in the rest of the line that has code missing! No hints, there's no // Fill in the rest of the line that has code missing! No hints, there's no
// tricks, just get used to typing these :) // tricks, just get used to typing these :)
// I AM NOT DONE
fn main() { fn main() {
// Characters (`char`) // Characters (`char`)
@ -19,7 +18,7 @@ fn main() {
println!("Neither alphabetic nor numeric!"); 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 // Try a letter, try a number, 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!
if your_character.is_alphabetic() { if your_character.is_alphabetic() {

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@ -5,10 +5,8 @@
// Execute `rustlings hint primitive_types3` or use the `hint` watch subcommand // Execute `rustlings hint primitive_types3` or use the `hint` watch subcommand
// for a hint. // for a hint.
// I AM NOT DONE
fn main() { fn main() {
let a = ??? let a = [1;100];
if a.len() >= 100 { if a.len() >= 100 {
println!("Wow, that's a big array!"); println!("Wow, that's a big array!");

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@ -5,13 +5,12 @@
// Execute `rustlings hint primitive_types4` or use the `hint` watch subcommand // Execute `rustlings hint primitive_types4` or use the `hint` watch subcommand
// for a hint. // for a hint.
// I AM NOT DONE
#[test] #[test]
fn slice_out_of_array() { fn slice_out_of_array() {
let a = [1, 2, 3, 4, 5]; let a = [1, 2, 3, 4, 5];
let nice_slice = ??? let nice_slice = &a[1..4];
assert_eq!([2, 3, 4], nice_slice) assert_eq!([2, 3, 4], nice_slice)
} }

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@ -5,11 +5,11 @@
// Execute `rustlings hint primitive_types5` or use the `hint` watch subcommand // Execute `rustlings hint primitive_types5` or use the `hint` watch subcommand
// for a hint. // for a hint.
// I AM NOT DONE
fn main() { fn main() {
let cat = ("Furry McFurson", 3.5); let cat = ("Furry McFurson", 3.5);
let /* your pattern here */ = cat; let age = &cat.1;
let name = &cat.0;
println!("{} is {} years old.", name, age); println!("{} is {} years old.", name, age);
} }

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@ -6,13 +6,12 @@
// Execute `rustlings hint primitive_types6` or use the `hint` watch subcommand // Execute `rustlings hint primitive_types6` or use the `hint` watch subcommand
// for a hint. // for a hint.
// I AM NOT DONE
#[test] #[test]
fn indexing_tuple() { fn indexing_tuple() {
let numbers = (1, 2, 3); let numbers = (1, 2, 3);
// Replace below ??? with the tuple indexing syntax. // Replace below ??? with the tuple indexing syntax.
let second = ???; let second = numbers.1;
assert_eq!(2, second, assert_eq!(2, second,
"This is not the 2nd number in the tuple!") "This is not the 2nd number in the tuple!")

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@ -7,11 +7,10 @@
// //
// Execute `rustlings hint vecs1` or use the `hint` watch subcommand for a hint. // Execute `rustlings hint vecs1` or use the `hint` watch subcommand for a hint.
// I AM NOT DONE
fn array_and_vec() -> ([i32; 4], Vec<i32>) { fn array_and_vec() -> ([i32; 4], Vec<i32>) {
let a = [10, 20, 30, 40]; // a plain array 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) (a, v)
} }

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@ -7,15 +7,12 @@
// //
// Execute `rustlings hint vecs2` or use the `hint` watch subcommand for a hint. // Execute `rustlings hint vecs2` or use the `hint` watch subcommand for a hint.
// I AM NOT DONE
fn vec_loop(mut v: Vec<i32>) -> Vec<i32> { fn vec_loop(mut v: Vec<i32>) -> Vec<i32> {
for element in v.iter_mut() { for element in v.iter_mut() {
// TODO: Fill this up so that each element in the Vec `v` is // TODO: Fill this up so that each element in the Vec `v` is
// multiplied by 2. // multiplied by 2.
??? *element *= 2;
} }
// At this point, `v` should be equal to [4, 8, 12, 16, 20]. // At this point, `v` should be equal to [4, 8, 12, 16, 20].
v v
} }
@ -24,7 +21,7 @@ fn vec_map(v: &Vec<i32>) -> Vec<i32> {
v.iter().map(|element| { v.iter().map(|element| {
// TODO: Do the same thing as above - but instead of mutating the // TODO: Do the same thing as above - but instead of mutating the
// Vec, you can just return the new number! // Vec, you can just return the new number!
??? *element * 2
}).collect() }).collect()
} }

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@ -13,10 +13,16 @@
// //
// No hints this time ;) // No hints this time ;)
// I AM NOT DONE
// Put your function here! // Put your function here!
// fn calculate_price_of_apples { fn calculate_price_of_apples(order_quantity: i32) -> i32 {
if order_quantity > 40{
return order_quantity
}
else{
return order_quantity * 2
}
}
// Don't modify this function! // Don't modify this function!
#[test] #[test]

1
rustlings Submodule

@ -0,0 +1 @@
Subproject commit 9a743f80c57cc6bf27819589a8ddb5a5579ab1a4