Created and implemented assignment 1

.gitignore

+/target/
+**/*.rs.bk
+Cargo.lock
+tags

Cargo.toml

+[package]
+name = "a1_guessing_game"
+version = "0.1.0"
+authors = ["Henrik Tjäder <henrik@tjaders.com>"]
+
+[dependencies]
+rand = "0.3.17"

src/lib.rs

+#[cfg(test)]
+mod tests {
+    #[test]
+    fn it_works() {
+    }
+}

src/main.rs

+extern crate rand;
+
+use std::io;
+use std::cmp::Ordering;
+use rand::Rng;
+
+fn main() {
+    println!("Guess the number!");
+
+    let secret_number = rand::thread_rng().gen_range(1, 101);
+
+    let mut tries_counter : u32 = 0; 
+
+    println!("The secret number is: {}", secret_number);
+
+    loop {
+        println!("Please input your guess.");
+
+        let mut guess = String::new();
+
+        io::stdin().read_line(&mut guess)
+            .expect("Failed to read line");
+
+        let guess: u32 = match guess.trim().parse() {
+            Ok(num) => num,
+            Err(_)  => {
+                println!("Integers supported, try again");
+                continue;
+            }
+        };
+
+        println!("You guessed: {}", guess);
+
+        tries_counter += 1;
+
+        match guess.cmp(&secret_number) {
+            Ordering::Less    => println!("Too small!"),
+            Ordering::Greater => println!("Too big!"),
+            Ordering::Equal   => {
+                println!("You win!");
+                println!("Total number of attempts: {}", tries_counter);
+                break;
+            }
+        }
+
+        println!("Attempts so far: {}\n ", tries_counter);
+
+    }
+}
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