feat: hint and error functions

error.go

@@ -20,19 +20,16 @@ func (s *Settings[C]) HasErrors() bool {
 	return len(s.errors) > 0
 }
 
-func (s *Settings[C]) HasHint() bool {
-	return s.hint != ""
-}
-
-func (s *Settings[C]) GetHint() string {
-	return s.hint
-}
-
 // Get all errors
 func (s *Settings[C]) Errors() []error {
 	return s.errors
 }
 
+func (s *Settings[C]) AddError(err error) *Settings[C] {
+	s.errors = append(s.errors, err)
+	return s
+}
+
 var WatchListNotInitializedError = errors.New("watch list not initialized")
 var MissingCommandError = errors.New("missing command")
 var NotParsedError = errors.New("flag set not parsed")

help-util.go

@@ -96,7 +96,7 @@ func getFlagTable(f *flag.FlagSet) []string {
 // isZeroValue determines whether the string represents the zero
 // value for a flag.
 func isZeroValue(f *flag.Flag, value string) (ok bool, err error) {
-	// Build a zero value of the flag's Value type, and see if the
+	// Sync a zero value of the flag's Value type, and see if the
 	// result of calling its String method equals the value passed in.
 	// This works unless the Value type is itself an interface type.
 	typ := reflect.TypeOf(f.Value)

hint.go

+package xflags
+
+func (s *Settings[C]) SetHint(hint string) *Settings[C] {
+	s.hint = hint
+	return s
+}
+
+func (s *Settings[C]) HasHint() bool {
+	return s.hint != ""
+}
+
+func (s *Settings[C]) GetHint() string {
+	return s.hint
+}

mapping.go

@@ -37,7 +37,7 @@ func (s *Settings[C]) assignValues(c cmd[C]) {
 	flgs.Visit(func(f *flag.Flag) {
 
 		name := f.Name
-		value := f.Value.String()
+		value := f.Value //.String()
 
 		k, ok := c.tagMapping[name]
 		if !ok {