unexporting two funcs

2 files changed, 4 insertions, 4 deletions

diff --git a/coords.go b/coords.go
index e967c08..6dcff92 100644
--- a/coords.go
+++ b/coords.go
@@ -15,7 +15,7 @@ const (
 
 // ColAlpha returns an alpha representation of a column index.
 // index is an integer - ColAlpha(0) returns "A", etc.
-func ColIndexToAlpha(index int) (string, error) {
+func colIndexToAlpha(index int) (string, error) {
 	max := len(Colstream) - 1
 	if index <= max {
 		return Colstream[index], nil
@@ -29,7 +29,7 @@ var Colstream = cols(maxAlphabets)
 
 // ColLettersToIndex converts an alpha column
 // reference to a zero-based numeric column identifier.
-func ColAlphaToIndex(letters string) (int, error) {
+func colAlphaToIndex(letters string) (int, error) {
 	max := len(Colstream) - 1
 	for i, v := range Colstream {
 		if i > max {
diff --git a/coords_test.go b/coords_test.go
index 8244a85..1d69ef1 100644
--- a/coords_test.go
+++ b/coords_test.go
@@ -66,7 +66,7 @@ func TestCollectLetters(t *testing.T) {
 		{"AA", 26},
 	}
 	for _, c := range cases {
-		s, err := ColAlphaToIndex(c.alpha)
+		s, err := colAlphaToIndex(c.alpha)
 		if err != nil {
 			t.Fatal(err)
 		}
@@ -88,7 +88,7 @@ func TestGetColApha(t *testing.T) {
 		{16377, "XEX"},
 	}
 	for _, c := range cases {
-		s, err := ColIndexToAlpha(c.index)
+		s, err := colIndexToAlpha(c.index)
 		if err != nil {
 			t.Fatal(err)
 		}