From 5a5cae93a325e9eb73b3c9e56fd7813ef4e04947 Mon Sep 17 00:00:00 2001
From: Igor Pashev <pashev.igor@gmail.com>
Date: Tue, 28 Apr 2020 13:49:52 +0200
Subject: Eliminate temp vars

---
 gcd.rs | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/gcd.rs b/gcd.rs
index 9e73a44..7b5e753 100644
--- a/gcd.rs
+++ b/gcd.rs
@@ -1,17 +1,14 @@
 use std::env;
 
-fn gcd2(a: u64, b: u64) -> u64
+fn gcd2(mut a: u64, mut b: u64) -> u64
 {
-  let mut a1 = a;
-  let mut b1 = b;
-
-  while b1 != 0 {
-    let c1 = b1;
-    b1 = a1 % b1;
-    a1 = c1;
+  while b != 0 {
+    let c = b;
+    b = a % b;
+    a = c;
   }
 
-  a1
+  a
 }
 
 
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