feat: parsing []byte

Author: IAmRadek

envconfig.go

@@ -265,7 +265,10 @@ func read(le func(string) (string, bool), prefix string, holder any) error {
 	return nil
 }
 
-var durationType = reflect.TypeOf(time.Duration(0))
+var (
+	durationType  = reflect.TypeOf(time.Duration(0))
+	byteSliceType = reflect.TypeOf([]byte{})
+)
 
 func setValue(inp reflect.Value, value string) error {
 	if inp.Kind() == reflect.Ptr {
@@ -295,6 +298,10 @@ func setValue(inp reflect.Value, value string) error {
 		}
 		inp.Set(reflect.ValueOf(d))
 		return nil
+
+	case byteSliceType:
+		inp.Set(reflect.ValueOf([]byte(value)))
+		return nil
 	}
 
 	switch inp.Kind() {

envconfig_test.go

@@ -29,6 +29,8 @@ func TestReadValues(t *testing.T) {
 			return "key1=value1, key2=value2", true
 		case "Z":
 			return "embedded_value", true
+		case "T":
+			return "bytes", true
 		case "EMB_ZA":
 			return "emb_value", true
 		case "CUSTOM":
@@ -90,6 +92,7 @@ func TestReadValues(t *testing.T) {
 		PtrBool:       ptr(true),
 		PtrPtrBool:    ptr(ptr(true)),
 		StringDefault: "Default Value",
+		Bytes:         []byte("bytes"),
 		CustomTextUnmarshaler: CustomTextUnmarshaler{
 			Value: "***custom_text***",
 		},
@@ -303,6 +306,7 @@ type Config struct {
 	Map         map[string]string `env:"Q"`
 	PtrBool     *bool             `env:"R"`
 	PtrPtrBool  **bool            `env:"S"`
+	Bytes       []byte            `env:"T"`
 
 	StringDefault string `env:"MISSING" envDefault:"Default Value"`
 	MissingValue  string `env:"MISSING"`