38 lines
1.2 KiB
Go
38 lines
1.2 KiB
Go
// Copyright 2020 CNI authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// 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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package errors
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import "fmt"
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// Annotate is used to add extra context to an existing error. The return will be
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// a new error which carries error message from both context message and existing error.
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func Annotate(err error, message string) error {
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if err == nil {
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return nil
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}
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return fmt.Errorf("%s: %v", message, err)
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}
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// Annotatef is used to add extra context with args to an existing error. The return will be
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// a new error which carries error message from both context message and existing error.
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func Annotatef(err error, message string, args ...interface{}) error {
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if err == nil {
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return nil
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}
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return fmt.Errorf("%s: %v", fmt.Sprintf(message, args...), err)
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}
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