add enums

This commit is contained in:
Simon Halimi 2021-04-13 16:19:05 +02:00
parent 9cd3c76ab8
commit cb82bbc057
3 changed files with 19 additions and 10 deletions

View file

@ -1,11 +1,12 @@
// enums1.rs // enums1.rs
// Make me compile! Execute `rustlings hint enums1` for hints! // Make me compile! Execute `rustlings hint enums1` for hints!
// I AM NOT DONE
#[derive(Debug)] #[derive(Debug)]
enum Message { enum Message {
// TODO: define a few types of messages as used below Quit,
Echo,
Move,
ChangeColor,
} }
fn main() { fn main() {

View file

@ -1,11 +1,13 @@
// enums2.rs // enums2.rs
// Make me compile! Execute `rustlings hint enums2` for hints! // Make me compile! Execute `rustlings hint enums2` for hints!
// I AM NOT DONE
#[derive(Debug)] #[derive(Debug)]
enum Message { enum Message {
// TODO: define the different variants used below Move { x: i32, y: i32,},
Echo(String),
ChangeColor(i32, i32, i32),
Quit,
} }
impl Message { impl Message {

View file

@ -1,10 +1,11 @@
// enums3.rs // enums3.rs
// Address all the TODOs to make the tests pass! // Address all the TODOs to make the tests pass!
// I AM NOT DONE
enum Message { enum Message {
// TODO: implement the message variant types based on their usage below Move(Point),
Echo(String),
ChangeColor((u8, u8, u8)),
Quit,
} }
struct Point { struct Point {
@ -36,7 +37,12 @@ impl State {
} }
fn process(&mut self, message: Message) { fn process(&mut self, message: Message) {
// TODO: create a match expression to process the different message variants match message {
Message::ChangeColor(n) => self.change_color(n),
Message::Echo(n) => self.echo(n),
Message::Move(n) => self.move_position(n),
Message::Quit => self.quit(),
}
} }
} }