A nice looking number guessing game

2 files changed, 29 insertions, 4 deletions

diff --git a/guessing_game/Cargo.toml b/guessing_game/Cargo.toml
index ea9fc9e..edd125a 100644
--- a/guessing_game/Cargo.toml
+++ b/guessing_game/Cargo.toml
@@ -4,3 +4,4 @@ version = "0.1.0"
 authors = ["Yuval Adam <_@yuv.al>"]
 
 [dependencies]
+rand="0.3.0"
\ No newline at end of file
diff --git a/guessing_game/src/main.rs b/guessing_game/src/main.rs
index 33209c1..7b86040 100644
--- a/guessing_game/src/main.rs
+++ b/guessing_game/src/main.rs
@@ -1,9 +1,33 @@
+extern crate rand;
+
 use std::io;
+use std::cmp::Ordering;
+use rand::Rng;
 
 fn main() {
     println!("Guess the number!");
-    println!("Please input your guess");
-    let mut guess = String::new();
-    io::stdin().read_line(&mut guess).expect("Failed to read line");
-    println!("You guessed: {}", guess)
+
+    let secret = rand::thread_rng().gen_range(1, 101);
+
+    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(_)  => continue,
+        };
+
+        println!("You guessed: {}", guess);
+
+        match guess.cmp(&secret) {
+            Ordering::Less    => println!("Too small!"),
+            Ordering::Greater => println!("Too big!"),
+            Ordering::Equal   => {
+                println!("You win!");
+                break;
+            }
+        }
+    }
 }