//go:build !go1.20

/**
# Copyright 2023 NVIDIA CORPORATION
#
# 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 errors

import "fmt"

// Join provides a legacy implementation for errors.Join.
func Join(errs ...error) error {
	var all error
	for _, err := range errs {
		if err == nil {
			continue
		}
		if all == nil {
			all = err
		}
		all = fmt.Errorf("%v %w", all, err)
	}
	return all
}