/*
---------------------------------------------------------
   Project activething
   Active Thing (activething.com) git.activething.com/go

   File name  err_group.go
   Created by DEV
   Modified   23/10/2023

   Copyright 2023 activething.com
---------------------------------------------------------
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
*/

package errs

import "activething.com/go/gogo/core/opts"



type ErrGroup ErrList




func (_ ErrGroup) Error() string {
	return "core:errs.group-error" }


func (g ErrGroup) Count() int {
	return len(g) }


func (g ErrGroup) Errors() []error {
	return g }


func (g ErrGroup) Cause() error {
	switch len(g) {
	case 0:
		return nil
	case 1:
		return g[0]
	default:
		return ErrGroup(g[1:])
	}
}


func (g ErrGroup) Unwrap() error {
	return g.Cause() }


func (g ErrGroup) Stack() StackTrace {
	return g.Stack() }


func (g ErrGroup) WithInfo(options ...opts.OptionFnc[ErrInfo]) *ErrInfo {
	return NewErrInfo(g, options...) }



/*
   ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

   I HAVE NO DESIRE TO WALK ON WATER," SAID SIDDHARTA.
   "LET THE OLD SHRAMANAS SATISFY THEMSELVES WITH SUCH SKILLS.

   SIDDHARTA
   - HERMANN HESSE -

   :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

*/