From 541756bf96272f830afdd677323a705aa1076bac Mon Sep 17 00:00:00 2001
From: takuoki <takuo.liamg@gmail.com>
Date: Mon, 4 Jun 2018 09:47:14 +0900
Subject: [PATCH] improve first upper case for ToLowerCamel

---
 camel.go      | 6 ++++++
 camel_test.go | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/camel.go b/camel.go
index d5e2e2d..80075a9 100644
--- a/camel.go
+++ b/camel.go
@@ -38,5 +38,11 @@ func ToCamel(s string) string {
 }
 
 func ToLowerCamel(s string) string {
+	if s == "" {
+		return s
+	}
+	if r := rune(s[0]); r >= 'A' && r <= 'Z' {
+		s = strings.ToLower(string(r)) + s[1:]
+	}
 	return toCamelInitCase(s, false)
 }
diff --git a/camel_test.go b/camel_test.go
index 6ef522a..e1217a1 100644
--- a/camel_test.go
+++ b/camel_test.go
@@ -29,6 +29,9 @@ func TestToCamel(t *testing.T) {
 func TestToLowerCamel(t *testing.T) {
 	cases := [][]string{
 		[]string{"foo-bar", "fooBar"},
+		[]string{"TestCase", "testCase"},
+		[]string{"", ""},
+		[]string{"AnyKind of_string", "anyKindOfString"},
 	}
 	for _, i := range cases {
 		in := i[0]