chore: interface{} -> any

resolver.go

@@ -14,15 +14,15 @@ type Resolver interface {
 	Validate(app *Application) error
 
 	// Resolve the value for a Flag.
-	Resolve(context *Context, parent *Path, flag *Flag) (interface{}, error)
+	Resolve(context *Context, parent *Path, flag *Flag) (any, error)
 }
 
 // ResolverFunc is a convenience type for non-validating Resolvers.
-type ResolverFunc func(context *Context, parent *Path, flag *Flag) (interface{}, error)
+type ResolverFunc func(context *Context, parent *Path, flag *Flag) (any, error)
 
 var _ Resolver = ResolverFunc(nil)
 
-func (r ResolverFunc) Resolve(context *Context, parent *Path, flag *Flag) (interface{}, error) { //nolint: revive
+func (r ResolverFunc) Resolve(context *Context, parent *Path, flag *Flag) (any, error) { //nolint: revive
 	return r(context, parent, flag)
 }
 func (r ResolverFunc) Validate(app *Application) error { return nil } //nolint: revive
@@ -31,12 +31,12 @@ func (r ResolverFunc) Validate(app *Application) error { return nil } //nolint:
 //
 // Flag names are used as JSON keys indirectly, by tring snake_case and camelCase variants.
 func JSON(r io.Reader) (Resolver, error) {
-	values := map[string]interface{}{}
+	values := map[string]any{}
 	err := json.NewDecoder(r).Decode(&values)
 	if err != nil {
 		return nil, err
 	}
-	var f ResolverFunc = func(context *Context, parent *Path, flag *Flag) (interface{}, error) {
+	var f ResolverFunc = func(context *Context, parent *Path, flag *Flag) (any, error) {
 		name := strings.ReplaceAll(flag.Name, "-", "_")
 		snakeCaseName := snakeCase(flag.Name)
 		raw, ok := values[name]
@@ -47,7 +47,7 @@ func JSON(r io.Reader) (Resolver, error) {
 		}
 		raw = values
 		for _, part := range strings.Split(name, ".") {
-			if values, ok := raw.(map[string]interface{}); ok {
+			if values, ok := raw.(map[string]any); ok {
 				raw, ok = values[part]
 				if !ok {
 					return nil, nil