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authormo8it <mo8it@proton.me>2024-07-05 14:11:03 +0200
committermo8it <mo8it@proton.me>2024-07-05 14:11:03 +0200
commit584164a6ffff87d2b10916f25e8172a3e5f1daa1 (patch)
tree2bd1fad8c58aec5cec74833cf64a1f4d21884bf0 /solutions/08_enums/enums3.rs
parente6f6d26d131e3a3ee89248c1fdaba22d8d1d79e2 (diff)
Adjust enums exercises
Diffstat (limited to 'solutions/08_enums/enums3.rs')
-rw-r--r--solutions/08_enums/enums3.rs63
1 files changed, 40 insertions, 23 deletions
diff --git a/solutions/08_enums/enums3.rs b/solutions/08_enums/enums3.rs
index 8baa25c..8641fbd 100644
--- a/solutions/08_enums/enums3.rs
+++ b/solutions/08_enums/enums3.rs
@@ -1,44 +1,53 @@
+struct Point {
+ x: u64,
+ y: u64,
+}
+
enum Message {
- ChangeColor(u8, u8, u8),
- Echo(String),
+ Resize { width: u64, height: u64 },
Move(Point),
+ Echo(String),
+ ChangeColor(u8, u8, u8),
Quit,
}
-struct Point {
- x: u8,
- y: u8,
-}
-
struct State {
- color: (u8, u8, u8),
+ width: u64,
+ height: u64,
position: Point,
- quit: bool,
message: String,
+ color: (u8, u8, u8),
+ quit: bool,
}
impl State {
- fn change_color(&mut self, color: (u8, u8, u8)) {
- self.color = color;
+ fn resize(&mut self, width: u64, height: u64) {
+ self.width = width;
+ self.height = height;
}
- fn quit(&mut self) {
- self.quit = true;
+ fn move_position(&mut self, point: Point) {
+ self.position = point;
}
fn echo(&mut self, s: String) {
self.message = s;
}
- fn move_position(&mut self, point: Point) {
- self.position = point;
+ fn change_color(&mut self, color: (u8, u8, u8)) {
+ self.color = color;
+ }
+
+ fn quit(&mut self) {
+ self.quit = true;
}
fn process(&mut self, message: Message) {
match message {
- Message::ChangeColor(r, g, b) => self.change_color((r, g, b)),
- Message::Echo(s) => self.echo(s),
+ Message::Resize { width, height } => self.resize(width, height),
Message::Move(point) => self.move_position(point),
+ Message::Echo(s) => self.echo(s),
+ Message::ChangeColor(r, g, b) => self.change_color((r, g, b)),
Message::Quit => self.quit(),
}
}
@@ -55,21 +64,29 @@ mod tests {
#[test]
fn test_match_message_call() {
let mut state = State {
- quit: false,
+ width: 0,
+ height: 0,
position: Point { x: 0, y: 0 },
- color: (0, 0, 0),
message: String::from("hello world"),
+ color: (0, 0, 0),
+ quit: false,
};
- state.process(Message::ChangeColor(255, 0, 255));
- state.process(Message::Echo(String::from("Hello world!")));
+ state.process(Message::Resize {
+ width: 10,
+ height: 30,
+ });
state.process(Message::Move(Point { x: 10, y: 15 }));
+ state.process(Message::Echo(String::from("Hello world!")));
+ state.process(Message::ChangeColor(255, 0, 255));
state.process(Message::Quit);
- assert_eq!(state.color, (255, 0, 255));
+ assert_eq!(state.width, 10);
+ assert_eq!(state.height, 30);
assert_eq!(state.position.x, 10);
assert_eq!(state.position.y, 15);
- assert!(state.quit);
assert_eq!(state.message, "Hello world!");
+ assert_eq!(state.color, (255, 0, 255));
+ assert!(state.quit);
}
}