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64 lines
1.6 KiB
Go
64 lines
1.6 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// errutil package provides utility for errors handling.
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package errutil
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import (
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"github.com/cockroachdb/errors"
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"github.com/samber/lo"
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)
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type multiErrors struct {
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errs []error
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}
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func (e multiErrors) Unwrap() error {
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if len(e.errs) <= 1 {
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return nil
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}
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return multiErrors{
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errs: e.errs[1:],
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}
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}
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func (e multiErrors) Error() string {
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final := e.errs[0]
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for i := 1; i < len(e.errs); i++ {
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final = errors.Wrap(e.errs[i], final.Error())
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}
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return final.Error()
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}
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func (e multiErrors) Is(err error) bool {
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for _, item := range e.errs {
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if errors.Is(item, err) {
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return true
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}
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}
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return false
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}
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func Combine(errs ...error) error {
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errs = lo.Filter(errs, func(err error, _ int) bool { return err != nil })
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if len(errs) == 0 {
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return nil
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}
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return multiErrors{
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errs,
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}
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}
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