chore: update some code style and comments

config.go

@@ -186,9 +186,7 @@ func (c *Config) DelDriver(format string) {
  *************************************************************/
 
 // Name get config name
-func (c *Config) Name() string {
-	return c.name
-}
+func (c *Config) Name() string { return c.name }
 
 // Error get last error, will clear after read.
 func (c *Config) Error() error {
@@ -203,14 +201,10 @@ func (c *Config) IsEmpty() bool {
 }
 
 // LoadedFiles get loaded files name
-func (c *Config) LoadedFiles() []string {
-	return c.loadedFiles
-}
+func (c *Config) LoadedFiles() []string { return c.loadedFiles }
 
 // DriverNames get loaded driver names
-func (c *Config) DriverNames() []string {
-	return c.driverNames
-}
+func (c *Config) DriverNames() []string { return c.driverNames }
 
 // ClearAll data and caches
 func ClearAll() { dc.ClearAll() }

options.go

@@ -42,6 +42,7 @@ type Options struct {
 	DecoderConfig *mapstructure.DecoderConfig
 	// HookFunc on data changed.
 	HookFunc HookFunc
+	// WatchChange bool
 }
 
 func newDefaultOption() *Options {
@@ -63,7 +64,6 @@ func newDefaultDecoderConfig() *mapstructure.DecoderConfig {
 		TagName: defaultStructTag,
 		// will auto convert string to int/uint
 		WeaklyTypedInput: true,
-		// DecodeHook: ValDecodeHookFunc,
 	}
 }
 

other/other.go

@@ -8,13 +8,14 @@ import (
 	"github.com/gookit/config/v2/ini"
 )
 
-const driverName = "other"
+// DriverName string
+const DriverName = "other"
 
 var (
 	// Encoder is the encoder for this driver
 	Encoder = ini.Encoder
 	// Decoder is the decoder for this driver
 	Decoder = ini.Decoder
 	// Driver is the exported symbol
-	Driver = config.NewDriver(driverName, Decoder, Encoder)
+	Driver = config.NewDriver(DriverName, Decoder, Encoder)
 )

util.go

@@ -23,7 +23,7 @@ func ValDecodeHookFunc(parseEnv, parseTime bool) mapstructure.DecodeHookFunc {
 		}
 
 		// start char is number(1-9)
-		if str[0] > 48 && str[0] < 57 {
+		if str[0] > '0' && str[0] < '9' {
 			// parse time string. eg: 10s
 			if parseTime && t.Kind() == reflect.Int64 {
 				dur, err := time.ParseDuration(str)