rust basic [7]

Author: yogithesymbian

src/_20_yo_struct.rs

@@ -0,0 +1,18 @@
+struct YoUser {
+    username: String,
+    age: u8,
+    active: bool,
+}
+
+pub fn main() {
+    let user = YoUser {
+        username: String::from("yo_rustacean"),
+        age: 28,
+        active: true,
+    };
+
+    println!(
+        "User : {}, Age : {}, Active : {}",
+        user.username, user.age, user.active
+    ); // expected : user details printed
+}

src/_21_yo_method.rs

@@ -0,0 +1,18 @@
+struct YoRectangle {
+    width: u32,
+    height: u32,
+}
+
+impl YoRectangle {
+    fn area(&self) -> u32 {
+        self.width * self.height // calculate the area
+    }
+}
+
+pub fn main() {
+    let rect = YoRectangle {
+        width: 10,
+        height: 5,
+    };
+    println!("Rectangle area: {}", rect.area()) // expected: 50
+}

src/_22_enum.rs

@@ -0,0 +1,18 @@
+enum YoStatus {
+    Online,
+    Offline,
+    Busy,
+}
+
+fn print_status(status: YoStatus) {
+    match status {
+        YoStatus::Online => println!("User is online"),
+        YoStatus::Offline => println!("User is offline"),
+        YoStatus::Busy => println!("User is busy"),
+    }
+}
+
+pub fn main() {
+    let current_status = YoStatus::Online;
+    print_status(current_status); // Expected: "User is online"
+}

src/main.rs

@@ -10,6 +10,9 @@ mod _17_yo_ownership_function;
 mod _18_yo_slice;
 mod _19_yo_slice_string;
 mod _1_variables;
+mod _20_yo_struct;
+mod _21_yo_method;
+mod _22_enum;
 mod _2_data_types;
 mod _3_numbers;
 mod _4_operators_comparison;
@@ -18,7 +21,6 @@ mod _6_char;
 mod _7_array;
 mod _8_constant;
 mod _9_variable_scope;
-
 fn main() {
     println!("Hello, world!");
 
@@ -58,4 +60,7 @@ fn main() {
     _17_yo_ownership_function::main();
     _18_yo_slice::main();
     _19_yo_slice_string::main();
+    _20_yo_struct::main();
+    _21_yo_method::main();
+    _22_enum::main();
 }