chore: bump min Go version to 1.25 and start testing with v1.27

.github/workflows/ci.yaml

@@ -9,7 +9,7 @@ on:
       - main
 
 env:
-  GOLANGCI_LINT_VERSION: v2.9.0
+  GOLANGCI_LINT_VERSION: v2.13.2
 
 permissions:
   contents: read
@@ -19,7 +19,7 @@ jobs:
     name: Test
     strategy:
       matrix:
-        version: ["1.24", "1.25", "1.26"]
+        version: ["1.25", "1.26", "1.27"]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1

base32/base32.go

@@ -167,8 +167,6 @@ func DecodeLower(s string) ([]byte, error) {
 // ensure the table is valid.
 //
 // Direct usage is discouraged. Use DecodeUpper or DecodeLower instead.
-//
-//nolint:gosec // G602 false positive: s length is validated and all indexes are fixed in this unrolled decoder.
 func Decode(s string, idxTable [256]byte) ([]byte, error) {
 	if len(s) != 26 {
 		return nil, ErrInvalidLength

base32/base32_test.go

@@ -33,7 +33,7 @@ func TestEncodeDecode(t *testing.T) {
 		t.Run(tc.name, func(t *testing.T) {
 			t.Parallel()
 
-			for i := 0; i < 1000; i++ {
+			for range 1000 {
 				// Generate 16 random bytes
 				data := make([]byte, 16)
 				_, err := rand.Read(data)
@@ -61,7 +61,7 @@ func TestEncodeDecode(t *testing.T) {
 				if err != nil {
 					t.Errorf("unexpected error during decode:\n%+v", err)
 				}
-				for i := 0; i < 16; i++ {
+				for i := range 16 {
 					if data[i] != decoded[i] {
 						t.Errorf("decoded value is not equal to original:\nExpected: %v\nActual: %v", data[i], decoded[i])
 					}
@@ -72,7 +72,7 @@ func TestEncodeDecode(t *testing.T) {
 
 	encoder := base32.NewEncoding("0123456789ABCDEFGHJKMNPQRSTVWXYZ")
 
-	for i := 0; i < 1000; i++ {
+	for range 1000 {
 		// Generate 16 random bytes
 		data := make([]byte, 16)
 		_, err := rand.Read(data)
@@ -100,7 +100,7 @@ func TestEncodeDecode(t *testing.T) {
 		if err != nil {
 			t.Errorf("unexpected error during decode:\n%+v", err)
 		}
-		for i := 0; i < 16; i++ {
+		for i := range 16 {
 			if data[i] != decoded[i] {
 				t.Errorf("decoded value is not equal to original:\nExpected: %v\nActual: %v", data[i], decoded[i])
 			}

encoding_test.go

@@ -133,8 +133,8 @@ func TestTypeID_SQL_Scan(t *testing.T) {
 		t.Fatalf("create UserID: unexpected error:\n%+v", err)
 	}
 
-	scannerType := reflect.TypeOf((*sql.Scanner)(nil)).Elem()
-	if !reflect.TypeOf(&UserID{}).Implements(scannerType) {
+	scannerType := reflect.TypeFor[sql.Scanner]()
+	if !reflect.TypeFor[*UserID]().Implements(scannerType) {
 		t.Fatalf("typeid.TypeID instantiation implements the `sql.Scanner` interface")
 	}
 

go.mod

@@ -1,6 +1,6 @@
 module github.com/sumup/typeid
 
-go 1.24.0
+go 1.25.0
 
 require (
 	github.com/gofrs/uuid/v5 v5.4.0