// ------------------------------------------------------------------------
//   Project active2
//   Active Thing (activething.com) git.activething.com/go
//
//   File name  errs.go
//   Created by DEV
//   Modified   25/03/2024
//
//   Copyright 2024 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



type (

	ErrGroup ErrList

)


func MakeErrGroup (err ...error) ErrGroup {
	return ErrGroup(ErrList(err).Clean()) }



func (l ErrGroup) Add(err error) ErrGroup {
	if err != nil {
		return append(l,err)
	}
	return l
}


func (l ErrGroup) Error () string {
	if len(l) > 0 {
		return l[0].Error()
	}
	return ""
}


func (l ErrGroup) Next () error {
	if len(l) > 0 {
		return ErrGroup(l[1:])
	}
	return nil
}

func (l ErrGroup) Unwrap() error {
	if len(l) > 0 {
		return l[0]
	}
	return nil
}



func (l ErrGroup) ToErrInfo(options ...ErrInfoFnc) ErrInfo {
	return *NewErrInfo(l,options ...) }


func (l ErrGroup) ToErrTrace(offset int) ErrTrace {
	return *NewErrTrace(l,offset) }



func (l ErrGroup) String () string {
	return string(G.Formatter.Format(l)) }