update
This commit is contained in:
parent
c898dd1de3
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46834702c9
.gitpod.yml
exercises
enums
functions
if
macros
modules
move_semantics
primitive_types
primitive_types1.rsprimitive_types2.rsprimitive_types3.rsprimitive_types4.rsprimitive_types5.rsprimitive_types6.rs
strings
structs
test1.rstest2.rstest3.rstest4.rstests
variables
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@ -3,3 +3,7 @@ tasks:
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command: cargo watch -x run
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image:
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file: .gitpod.Dockerfile
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vscode:
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extensions:
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- eamodio.gitlens@10.2.0:GNDO73Cmp0fYDiLNxVkbsQ==
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@ -1,11 +1,11 @@
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// enums1.rs
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// Make me compile! Execute `rustlings hint enums1` for hints!
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// I AM NOT DONE
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#[derive(Debug)]
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enum Message {
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// TODO: define a few types of messages as used below
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Quit,Echo,Move,ChangeColor
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}
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fn main() {
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@ -1,11 +1,14 @@
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// enums2.rs
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// Make me compile! Execute `rustlings hint enums2` for hints!
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// I AM NOT DONE
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#[derive(Debug)]
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enum Message {
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// TODO: define the different variants used below
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Move{x:i32,y:i32},
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Quit,
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ChangeColor(i32,i32,i32),
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Echo(String),
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}
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impl Message {
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@ -1,10 +1,13 @@
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// enums3.rs
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// Address all the TODOs to make the tests pass!
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// I AM NOT DONE
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enum Message {
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// TODO: implement the message variant types based on their usage below
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ChangeColor(u8,u8,u8),
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Echo(String),
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Move{x:u8,y:u8},
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Quit,
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}
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struct Point {
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@ -36,6 +39,12 @@ impl State {
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}
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fn process(&mut self, message: Message) {
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match message {
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Message::ChangeColor(r,g,b)=>self.change_color((r,g,b)),
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Message::Echo(s)=>self.echo(s),
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Message::Move{x,y}=>self.move_position(Point{x,y}),
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Message::Quit=>self.quit()
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}
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// TODO: create a match expression to process the different message variants
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}
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}
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@ -1,7 +1,7 @@
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// functions1.rs
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// Make me compile! Execute `rustlings hint functions1` for hints :)
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// I AM NOT DONE
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fn call_me(){}
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fn main() {
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call_me();
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@ -1,13 +1,12 @@
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// functions2.rs
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// Make me compile! Execute `rustlings hint functions2` for hints :)
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// I AM NOT DONE
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fn main() {
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call_me(3);
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}
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fn call_me(num) {
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fn call_me(num:i8) {
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for i in 0..num {
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println!("Ring! Call number {}", i + 1);
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}
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@ -1,10 +1,9 @@
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// functions3.rs
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// Make me compile! Execute `rustlings hint functions3` for hints :)
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// I AM NOT DONE
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fn main() {
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call_me();
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call_me(32);
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}
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fn call_me(num: i32) {
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@ -4,14 +4,13 @@
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// This store is having a sale where if the price is an even number, you get
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// 10 (money unit) off, but if it's an odd number, it's 3 (money unit) less.
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// I AM NOT DONE
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fn main() {
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let original_price = 51;
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println!("Your sale price is {}", sale_price(original_price));
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}
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fn sale_price(price: i32) -> {
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fn sale_price(price: i32) -> i32{
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if is_even(price) {
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price - 10
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} else {
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@ -1,7 +1,7 @@
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// functions5.rs
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// Make me compile! Execute `rustlings hint functions5` for hints :)
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// I AM NOT DONE
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fn main() {
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let answer = square(3);
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}
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fn square(num: i32) -> i32 {
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num * num;
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return num * num;
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}
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@ -1,8 +1,11 @@
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// if1.rs
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// I AM NOT DONE
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pub fn bigger(a: i32, b: i32) -> i32 {
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if a>b {
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return a
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}
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return b
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// Complete this function to return the bigger number!
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// Do not use:
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// - another function call
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@ -1,8 +1,7 @@
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// macros1.rs
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// Make me compile! Execute `rustlings hint macros1` for hints :)
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// I AM NOT DONE
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#[macro_export]
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macro_rules! my_macro {
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() => {
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println!("Check out my macro!");
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@ -10,5 +9,5 @@ macro_rules! my_macro {
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}
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fn main() {
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my_macro();
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my_macro!();
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}
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@ -1,12 +1,11 @@
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// macros2.rs
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// Make me compile! Execute `rustlings hint macros2` for hints :)
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// I AM NOT DONE
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fn main() {
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my_macro!();
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}
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#[macro_export]
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macro_rules! my_macro {
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() => {
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println!("Check out my macro!");
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@ -2,8 +2,8 @@
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// Make me compile, without taking the macro out of the module!
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// Execute `rustlings hint macros3` for hints :)
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// I AM NOT DONE
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#[macro_use]
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mod macros {
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macro_rules! my_macro {
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() => {
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@ -13,5 +13,6 @@ mod macros {
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}
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fn main() {
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my_macro!();
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}
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@ -1,12 +1,12 @@
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// macros4.rs
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// Make me compile! Execute `rustlings hint macros4` for hints :)
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// I AM NOT DONE
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macro_rules! my_macro {
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() => {
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println!("Check out my macro!");
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}
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};
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($val:expr) => {
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println!("Look at this other macro: {}", $val);
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}
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@ -1,10 +1,10 @@
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// modules1.rs
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// Make me compile! Execute `rustlings hint modules1` for hints :)
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// I AM NOT DONE
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mod sausage_factory {
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fn make_sausage() {
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pub fn make_sausage() {
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println!("sausage!");
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}
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}
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@ -1,11 +1,11 @@
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// modules2.rs
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// Make me compile! Execute `rustlings hint modules2` for hints :)
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// I AM NOT DONE
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mod delicious_snacks {
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use self::fruits::PEAR as fruit;
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use self::veggies::CUCUMBER as veggie;
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pub use self::fruits::PEAR as fruit;
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pub use self::veggies::CUCUMBER as veggie;
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mod fruits {
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pub const PEAR: &'static str = "Pear";
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@ -1,12 +1,11 @@
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// move_semantics1.rs
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// Make me compile! Execute `rustlings hint move_semantics1` for hints :)
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// I AM NOT DONE
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fn main() {
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let vec0 = Vec::new();
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let vec1 = fill_vec(vec0);
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let mut vec1 = fill_vec(vec0);
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println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
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@ -2,7 +2,7 @@
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// Fill in the rest of the line that has code missing!
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// No hints, there's no tricks, just get used to typing these :)
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// I AM NOT DONE
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fn main() {
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// Booleans (`bool`)
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@ -12,7 +12,8 @@ fn main() {
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println!("Good morning!");
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}
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let // Finish the rest of this line like the example! Or make it be false!
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let is_evening = false;
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// Finish the rest of this line like the example! Or make it be false!
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if is_evening {
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println!("Good evening!");
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}
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@ -2,7 +2,6 @@
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// Fill in the rest of the line that has code missing!
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// No hints, there's no tricks, just get used to typing these :)
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// I AM NOT DONE
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fn main() {
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// Characters (`char`)
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@ -16,7 +15,8 @@ fn main() {
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println!("Neither alphabetic nor numeric!");
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}
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let // Finish this line like the example! What's your favorite character?
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let your_character='z';
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// Finish this line like the example! What's your favorite character?
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// Try a letter, try a number, try a special character, try a character
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// from a different language than your own, try an emoji!
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if your_character.is_alphabetic() {
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@ -2,11 +2,9 @@
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// Create an array with at least 100 elements in it where the ??? is.
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// Execute `rustlings hint primitive_types3` for hints!
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// I AM NOT DONE
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fn main() {
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let a = ???
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let a:[i32;1] = [1];
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if a.len() >= 100 {
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println!("Wow, that's a big array!");
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} else {
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|
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@ -2,13 +2,11 @@
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// Get a slice out of Array a where the ??? is so that the test passes.
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// Execute `rustlings hint primitive_types4` for hints!!
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// I AM NOT DONE
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#[test]
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fn slice_out_of_array() {
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let a = [1, 2, 3, 4, 5];
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let nice_slice = ???
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let nice_slice = &a[1..4];
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assert_eq!([2, 3, 4], nice_slice)
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}
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@ -2,11 +2,10 @@
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// Destructure the `cat` tuple so that the println will work.
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// Execute `rustlings hint primitive_types5` for hints!
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// I AM NOT DONE
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||||
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fn main() {
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let cat = ("Furry McFurson", 3.5);
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let /* your pattern here */ = cat;
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let (name,age) = cat;
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||||
|
||||
println!("{} is {} years old.", name, age);
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}
|
||||
|
|
|
@ -3,9 +3,8 @@
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// You can put this right into the `println!` where the ??? is.
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// Execute `rustlings hint primitive_types6` for hints!
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|
||||
// I AM NOT DONE
|
||||
|
||||
fn main() {
|
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let numbers = (1, 2, 3);
|
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println!("The second number is {}", ???);
|
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println!("The second number is {}", numbers.1);
|
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}
|
||||
|
|
|
@ -2,7 +2,6 @@
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// 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();
|
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|
@ -10,5 +9,5 @@ fn main() {
|
|||
}
|
||||
|
||||
fn current_favorite_color() -> String {
|
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"blue"
|
||||
String::from("blue")
|
||||
}
|
||||
|
|
|
@ -2,10 +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 :)
|
||||
let word = "ss"; // Try not changing this line :)
|
||||
if is_a_color_word(word) {
|
||||
println!("That is a color word I know!");
|
||||
} else {
|
||||
|
|
|
@ -1,17 +1,17 @@
|
|||
// 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 +19,7 @@ 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 +28,7 @@ mod tests {
|
|||
#[test]
|
||||
fn tuple_structs() {
|
||||
// TODO: Instantiate a tuple struct!
|
||||
// let green =
|
||||
let green =(String::from("green"),String::from("#00FF00"));
|
||||
|
||||
assert_eq!(green.0, "green");
|
||||
assert_eq!(green.1, "#00FF00");
|
||||
|
@ -37,7 +37,7 @@ 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!");
|
||||
|
|
|
@ -2,7 +2,6 @@
|
|||
// Address all the TODOs to make the tests pass!
|
||||
// No hints, just do it!
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
#[derive(Debug)]
|
||||
struct Order {
|
||||
|
@ -35,7 +34,7 @@ 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);
|
||||
|
|
|
@ -7,10 +7,16 @@
|
|||
// 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(num: i32) -> i32 {
|
||||
if num > 40 {
|
||||
return num;
|
||||
}
|
||||
return num * 2;
|
||||
}
|
||||
|
||||
// Don't modify this function!
|
||||
#[test]
|
||||
|
|
|
@ -7,7 +7,7 @@
|
|||
// 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);
|
||||
|
@ -21,7 +21,7 @@ fn main() {
|
|||
("red".to_string());
|
||||
(String::from("hi"));
|
||||
("rust is fun!".to_owned());
|
||||
("nice weather".into());
|
||||
(String::from("nice weather").into_boxed_str());
|
||||
(format!("Interpolation {}", "Station"));
|
||||
(&String::from("abc")[0..1]);
|
||||
(" hello there ".trim());
|
||||
|
|
|
@ -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)
|
||||
}
|
||||
}
|
||||
|
|
|
@ -4,8 +4,12 @@
|
|||
// - Macros
|
||||
|
||||
// Write a macro that passes the test! No hints this time, you can do it!
|
||||
#[macro_export]
|
||||
macro_rules! my_macro {
|
||||
($val:expr) => {$val}
|
||||
}
|
||||
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
fn main() {
|
||||
if my_macro!("world!") != "Hello world!" {
|
||||
|
|
|
@ -6,12 +6,11 @@
|
|||
// 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!(true);
|
||||
}
|
||||
}
|
||||
|
|
|
@ -2,12 +2,12 @@
|
|||
// 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);
|
||||
}
|
||||
}
|
||||
|
|
|
@ -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(32));
|
||||
}
|
||||
}
|
||||
|
|
|
@ -6,9 +6,9 @@
|
|||
// 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);
|
||||
}
|
||||
|
|
|
@ -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=12;
|
||||
if x == 10 {
|
||||
println!("Ten!");
|
||||
} else {
|
||||
|
|
|
@ -1,10 +1,10 @@
|
|||
// 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;
|
||||
println!("Number {}", x);
|
||||
|
|
|
@ -1,9 +1,9 @@
|
|||
// 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=12;
|
||||
println!("Number {}", x);
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue