From c378329803d145d1e75c542d05ced3a6a1f25cf4 Mon Sep 17 00:00:00 2001
From: Yuki <yuki@alienyuki.com>
Date: Sat, 14 Jun 2025 00:50:38 +0800
Subject: [PATCH] feat: Add SayHi.

Add a new function(lib upgrade).
---
 hello.go      | 4 ++++
 hello_test.go | 9 +++++++++
 2 files changed, 13 insertions(+)

diff --git a/hello.go b/hello.go
index 858b457..c469398 100644
--- a/hello.go
+++ b/hello.go
@@ -3,3 +3,7 @@ package hellogomod
 func SayHello(name string) string {
 	return "Hello, " + name + "!"
 }
+
+func SayHi(name string) string {
+	return "Hi, " + name + "!"
+}
diff --git a/hello_test.go b/hello_test.go
index 9ece53b..2140cec 100644
--- a/hello_test.go
+++ b/hello_test.go
@@ -2,6 +2,15 @@ package hellogomod
 
 import "testing"
 
+func TestSayHi(t *testing.T) {
+	s := SayHi("yuki")
+	want := "Hi, yuki!"
+
+	if s != want {
+		t.Errorf("return %s, want %s", s, want)
+	}
+}
+
 func TestSayHello(t *testing.T) {
 	s := SayHello("yuki")
 	want := "Hello, yuki!"