Another update from ingydotnet^djgoku

Task/Gray-code/Rust/gray-code.rust

@@ -1,19 +1,18 @@
-fn gray_encode(integer: uint) -> uint {
-	(integer >> 1) ^ integer
+fn gray_encode(integer: u64) -> u64 {
+    (integer >> 1) ^ integer
 }
 
-fn gray_decode(integer: uint) -> uint {
-	match integer {
-		0 => 0,
-		_ => integer ^ gray_decode(integer >> 1)
-	}
+fn gray_decode(integer: u64) -> u64 {
+    match integer {
+        0 => 0,
+        _ => integer ^ gray_decode(integer >> 1)
+    }
 }
 
-
 fn main() {
-	for i in range(0u,32u) {
-		println!("{:2} {:0>5t} {:0>5t} {:2}", i, i, gray_encode(i),
-			gray_decode(i));
-	}
+    for i in 0..32 {
+        println!("{:2} {:0>5b} {:0>5b} {:2}", i, i, gray_encode(i),
+            gray_decode(i));
+    }
 
 }