From e9569b0a49d85e06f3b1b4a51c0c67ba25e78bf7 Mon Sep 17 00:00:00 2001
From: Phan Huy Hoang <hoangph271@gmail.com>
Date: Tue, 3 Jan 2023 16:43:23 +0700
Subject: [PATCH] [Add] exercises/enums

---
 exercises/enums/enums1.rs |  7 ++++---
 exercises/enums/enums2.rs |  7 ++++---
 exercises/enums/enums3.rs | 15 ++++++++++-----
 3 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/exercises/enums/enums1.rs b/exercises/enums/enums1.rs
index 511ba740..bdfb3d51 100644
--- a/exercises/enums/enums1.rs
+++ b/exercises/enums/enums1.rs
@@ -1,11 +1,12 @@
 // enums1.rs
 // No hints this time! ;)
 
-// I AM NOT DONE
-
 #[derive(Debug)]
 enum Message {
-    // TODO: define a few types of messages as used below
+    Quit,
+    Echo,
+    Move,
+    ChangeColor
 }
 
 fn main() {
diff --git a/exercises/enums/enums2.rs b/exercises/enums/enums2.rs
index 167a6b2e..77df8943 100644
--- a/exercises/enums/enums2.rs
+++ b/exercises/enums/enums2.rs
@@ -1,11 +1,12 @@
 // enums2.rs
 // Execute `rustlings hint enums2` or use the `hint` watch subcommand for a hint.
 
-// I AM NOT DONE
-
 #[derive(Debug)]
 enum Message {
-    // TODO: define the different variants used below
+    Quit,
+    Echo(String),
+    ChangeColor(isize, isize, isize),
+    Move { x: isize, y: isize },
 }
 
 impl Message {
diff --git a/exercises/enums/enums3.rs b/exercises/enums/enums3.rs
index a2a9d586..f935eba4 100644
--- a/exercises/enums/enums3.rs
+++ b/exercises/enums/enums3.rs
@@ -2,10 +2,11 @@
 // Address all the TODOs to make the tests pass!
 // Execute `rustlings hint enums3` or use the `hint` watch subcommand for a hint.
 
-// 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 {
@@ -37,8 +38,12 @@ impl State {
     }
 
     fn process(&mut self, message: Message) {
-        // TODO: create a match expression to process the different message variants
-        // Remember: When passing a tuple as a function argument, you'll need extra parentheses: fn function((t, u, p, l, e))
+        match message {
+            Message::Quit => self.quit = true,
+            Message::Move(point) => self.position = point,
+            Message::Echo(_) => {},
+            Message::ChangeColor(r, g, b) => self.color = (r, g, b),
+        }
     }
 }