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errors.go
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/
errors.go
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// Copyright 2019, OpenTelemetry Authors
//
// 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 oterr provides helper functions to create and process
// OpenTelemetry specific errors
package oterr
import (
"fmt"
"strings"
)
// CombineErrors converts a list of errors into one error.
func CombineErrors(errs []error) error {
numErrors := len(errs)
if numErrors == 1 {
return errs[0]
} else if numErrors > 1 {
errMsgs := make([]string, 0, numErrors)
for _, err := range errs {
errMsgs = append(errMsgs, err.Error())
}
return fmt.Errorf("[%s]", strings.Join(errMsgs, "; "))
}
return nil
}