Diff between master and basic-requrements

Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "cc2-rust-workshop"
+name = "cc2_rust_workshop"
 version = "0.1.0"
 authors = ["Tsuyoshi Maeda <oasis5tsuyoshi@gmail.com>"]
 

src/main.rs

@@ -0,0 +1,80 @@
+fn main() {
+  let number_1 = 1;
+  println!("{}", number_1);
+
+  let mut number_2 = 1;
+  number_2 += 1;
+  println!("{}", number_2);
+
+  let number_3 = add(1, 2);
+  println!("{}", number_3);
+
+  output_string("this is input value");
+
+  let person = Person::new(
+    "Code",
+    "Chrysalis",
+    2
+  );
+  println!("{:?}", person);
+  person.greet();
+}
+
+fn add(a: i32, b: i32) -> i32 {
+  a + b
+}
+#[test]
+fn it_add() {
+  assert_eq!(1 + 2, add(1, 2));
+}
+
+fn output_string(input: &str) -> () {
+  println!("{}", input);
+}
+#[test]
+fn it_output_string() {
+  // Expected no error.
+  output_string("abc");
+  assert!(true);
+}
+
+#[derive(Debug)]
+struct Person {
+  first_name: String,
+  last_name: String,
+  age: u8
+}
+
+impl Person {
+  fn new(first_name: &str, last_name: &str, age: u8) -> Person {
+    Person {
+      first_name: first_name.to_string(),
+      last_name: last_name.to_string(),
+      age: age
+    }
+  }
+
+  fn greet(&self) -> () {
+    println!(
+      "My name is {} {}. I'm {} years old.",
+      &self.first_name,
+      &self.last_name,
+      &self.age
+    );
+  }
+}
+#[test]
+fn it_person() {
+  let person = Person::new("FN", "LN", 1);
+  assert_eq!("FN", person.first_name);
+  assert_eq!("LN", person.last_name);
+  assert_eq!(1, person.age);
+}
+#[test]
+fn it_person_greet() {
+  let person = Person::new("FN", "LN", 1);
+
+  // Expected no error.
+  person.greet();
+  assert!(true);
+}