A little code cleanup

gcd/src/lib.rs

@@ -1,16 +1,16 @@
-pub fn gcd(mut n: u64, mut m: u64) -> u64 {
-    assert!(n != 0 && m != 0);
+pub fn gcd(mut a: u64, mut b: u64) -> u64 {
+    assert!(a != 0 && b != 0);
 
-    while m != 0 {
-        if m < n {
-            let t = m;
-            m = n;
-            n = t;
+    while b != 0 {
+        if b < a {
+            let temp = b;
+            b = a;
+            a = temp;
         }
-        m = m % n;
+        b = b % a;
     }
 
-    n
+    a
 }
 
 #[cfg(test)]

iron-gcd/Cargo.toml

@@ -5,7 +5,7 @@ authors = ["Timothy Warren <tim@timshomepage.net>"]
 edition = "2018"
 
 [dependencies]
-gcd = { path = "../gcd", version = "0.1.0" }
+gcd = { path = "../gcd" }
 iron = "0.5.1"
 mime = "0.2.3"
 router = "0.5.1"

iron-gcd/src/main.rs

@@ -82,7 +82,7 @@ fn post_gcd(request: &mut Request) -> IronResult<Response> {
     response.set_mut(status::Ok);
     response.set_mut(mime!(Text/Html; Charset=Utf8));
     response.set_mut(
-        format!("The greatest common divisor of the numbers {:?} is <B>{}</b>\n", numbers, d)
+        format!("The greatest common divisor of the numbers {:?} is <strong>{}</strong>\n", numbers, d)
     );
 
     Ok(response)