53 lines
1.8 KiB
Go
53 lines
1.8 KiB
Go
// Copyright (c) 2019 Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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// +build go1.13
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package multierr
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import "errors"
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// As attempts to find the first error in the error list that matches the type
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// of the value that target points to.
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//
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// This function allows errors.As to traverse the values stored on the
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// multierr error.
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func (merr *multiError) As(target interface{}) bool {
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for _, err := range merr.Errors() {
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if errors.As(err, target) {
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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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// Is attempts to match the provided error against errors in the error list.
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//
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// This function allows errors.Is to traverse the values stored on the
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// multierr error.
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func (merr *multiError) Is(target error) bool {
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for _, err := range merr.Errors() {
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if errors.Is(err, target) {
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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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