From 3a4e21789153534af162110db26329ae984ce5d7 Mon Sep 17 00:00:00 2001
From: Celestino Amoroso <celestino.amoroso@gmail.com>
Date: Wed, 13 May 2026 08:01:18 +0200
Subject: [PATCH] kern/fraction-type.go: changed some syntax

---
 kern/fraction-type.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/kern/fraction-type.go b/kern/fraction-type.go
index fab5e2e..e44adcb 100644
--- a/kern/fraction-type.go
+++ b/kern/fraction-type.go
@@ -44,10 +44,11 @@ func MakeGeneratingFraction(s string) (f *FractionType, err error) {
 	if len(s) == 0 {
 		goto exit
 	}
-	if s[0] == '-' {
+	switch s[0] {
+	case '-':
 		sign = int64(-1)
 		s = s[1:]
-	} else if s[0] == '+' {
+	case '+':
 		s = s[1:]
 	}
 	//	if strings.HasSuffix(s, "()") {