diff --git a/examples/gcd/gcd.q b/examples/gcd/gcd.q
index 9e9b5e0..03dead2 100644
--- a/examples/gcd/gcd.q
+++ b/examples/gcd/gcd.q
@@ -6,14 +6,10 @@ main() {
 
 gcd(a, b) {
 	loop {
-		if a == b {
-			return a
-		}
-
-		if a > b {
-			a -= b
-		} else {
-			b -= a
+		switch {
+			a == b { return a }
+			a > b  { a -= b }
+			_      { b -= a }
 		}
 	}
 }
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