complete: enums

This commit is contained in:
seth 2021-06-21 15:36:29 +08:00
parent c4a62515fb
commit 2c461ef23a
4 changed files with 20 additions and 6 deletions

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@ -1,13 +1,16 @@
// enums1.rs
// Make me compile! Execute `rustlings hint enums1` for hints!
// I AM NOT DONE
#[derive(Debug)]
enum Message {
// TODO: define a few types of messages as used below
Quit,
Echo,
Move,
ChangeColor
}
fn main() {
println!("{:?}", Message::Quit);
println!("{:?}", Message::Echo);

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@ -1,11 +1,13 @@
// enums2.rs
// Make me compile! Execute `rustlings hint enums2` for hints!
// I AM NOT DONE
#[derive(Debug)]
enum Message {
// TODO: define the different variants used below
Quit,
Move{ x: i32, y: i32 },
Echo(String),
ChangeColor(u32,u32,u32)
}
impl Message {

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@ -1,10 +1,12 @@
// enums3.rs
// Address all the TODOs to make the tests pass!
// I AM NOT DONE
enum Message {
// TODO: implement the message variant types based on their usage below
Quit,
Move(Point),
Echo(String),
ChangeColor((u8, u8, u8))
}
struct Point {
@ -37,6 +39,12 @@ impl State {
fn process(&mut self, message: Message) {
// TODO: create a match expression to process the different message variants
match message {
Message::Quit => self.quit(),
Message::Move(p) => self.move_position(p),
Message::Echo(s) => self.echo(s),
Message::ChangeColor(c) => self.change_color(c),
};
}
}

@ -0,0 +1 @@
Subproject commit 0e1bb14452e3fc66dcc81531212e1061e02c1a61