Completed some exercises

This commit is contained in:
Evie Litherland-Smith 2023-10-15 18:00:35 +01:00
parent 9a743f80c5
commit b91b661b3a
23 changed files with 38 additions and 71 deletions

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@ -3,7 +3,9 @@
// Execute `rustlings hint functions1` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
fn call_me() {
println!("Hello World!")
}
fn main() {
call_me();

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@ -3,13 +3,11 @@
// Execute `rustlings hint functions2` or use the `hint` watch subcommand for a
// hint.
// 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);
}

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@ -3,10 +3,8 @@
// Execute `rustlings hint functions3` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
fn main() {
call_me();
call_me(10);
}
fn call_me(num: u32) {

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@ -8,14 +8,12 @@
// Execute `rustlings hint functions4` or use the `hint` watch subcommand for a
// hint.
// 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 {

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@ -3,13 +3,11 @@
// Execute `rustlings hint functions5` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
fn main() {
let answer = square(3);
println!("The square of 3 is {}", answer);
}
fn square(num: i32) -> i32 {
num * num;
return num * num;
}

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@ -2,13 +2,16 @@
//
// 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 {
// Complete this function to return the bigger number!
// Do not use:
// - another function call
// - additional variables
if a > b {
return a;
} else {
return b;
};
}
// Don't mind this for now :)

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@ -5,13 +5,13 @@
//
// 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 {
if fizzish == "fizz" {
"foo"
} else if fizzish == "fuzz" {
"bar"
} else {
1
"baz"
}
}

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@ -2,17 +2,16 @@
//
// 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 {
// Returns habit for animal name given
let identifier = if animal == "crab" {
1
} else if animal == "gopher" {
2.0
2
} else if animal == "snake" {
3
} else {
"Unknown"
4
};
// DO NOT CHANGE THIS STATEMENT BELOW

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@ -13,8 +13,6 @@
// Execute `rustlings hint intro1` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
fn main() {
println!("Hello and");
println!(r#" welcome to... "#);

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@ -5,8 +5,6 @@
// Execute `rustlings hint intro2` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
fn main() {
println!("Hello {}!");
println!("Hello {}!", "World");
}

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@ -3,8 +3,6 @@
// 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`)
@ -13,7 +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 = true; // Finish the rest of this line like the example! Or make it be false!
if is_evening {
println!("Good evening!");
}

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@ -3,8 +3,6 @@
// 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`)
@ -19,9 +17,9 @@ fn main() {
println!("Neither alphabetic nor numeric!");
}
let // 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!
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() {
println!("Alphabetical!");
} else if your_character.is_numeric() {

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

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@ -5,13 +5,11 @@
// Execute `rustlings hint primitive_types4` or use the `hint` watch subcommand
// for a hint.
// 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)
}

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@ -5,11 +5,9 @@
// Execute `rustlings hint primitive_types5` or use the `hint` watch subcommand
// for a hint.
// 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);
}

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@ -6,14 +6,11 @@
// Execute `rustlings hint primitive_types6` or use the `hint` watch subcommand
// for a hint.
// 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!")
assert_eq!(2, second, "This is not the 2nd number in the tuple!")
}

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@ -13,11 +13,11 @@
//
// No hints this time ;)
// I AM NOT DONE
// Put your function here!
// fn calculate_price_of_apples {
fn calculate_price_of_apples(amount: i32) -> i32 {
let cost: i32 = if amount > 40 { 1 } else { 2 };
amount * cost
}
// Don't modify this function!
#[test]
fn verify_test() {

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@ -5,9 +5,7 @@
// Execute `rustlings hint variables1` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
fn main() {
x = 5;
let x = 5;
println!("x has the value {}", x);
}

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@ -3,10 +3,8 @@
// Execute `rustlings hint variables2` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
fn main() {
let x;
let x = 0;
if x == 10 {
println!("x is ten!");
} else {

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@ -3,9 +3,7 @@
// Execute `rustlings hint variables3` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
fn main() {
let x: i32;
let x: i32 = 100;
println!("Number {}", x);
}

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@ -3,10 +3,8 @@
// Execute `rustlings hint variables4` or use the `hint` watch subcommand for 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);

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@ -3,11 +3,9 @@
// Execute `rustlings hint variables5` or use the `hint` watch subcommand for 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; // don't rename this variable
let number = 3; // don't rename this variable
println!("Number plus two is : {}", number + 2);
}

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@ -3,9 +3,7 @@
// Execute `rustlings hint variables6` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
const NUMBER = 3;
const NUMBER: i32 = 3;
fn main() {
println!("Number {}", NUMBER);
}