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- // Copyright 2019 The Go Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style
- // license that can be found in the LICENSE file.
- // Package xerrors implements functions to manipulate errors.
- //
- // This package is based on the Go 2 proposal for error values:
- //
- // https://golang.org/design/29934-error-values
- //
- // These functions were incorporated into the standard library's errors package
- // in Go 1.13:
- // - Is
- // - As
- // - Unwrap
- //
- // Also, Errorf's %w verb was incorporated into fmt.Errorf.
- //
- // Use this package to get equivalent behavior in all supported Go versions.
- //
- // No other features of this package were included in Go 1.13, and at present
- // there are no plans to include any of them.
- package xerrors // import "golang.org/x/xerrors"
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