2022-01-30 23:27:37 +00:00
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// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Package xerrors implements functions to manipulate errors.
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//
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// This package is based on the Go 2 proposal for error values:
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2022-04-25 21:50:10 +00:00
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//
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// https://golang.org/design/29934-error-values
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2022-01-30 23:27:37 +00:00
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//
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// These functions were incorporated into the standard library's errors package
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// in Go 1.13:
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// - Is
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// - As
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// - Unwrap
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//
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// Also, Errorf's %w verb was incorporated into fmt.Errorf.
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//
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// Use this package to get equivalent behavior in all supported Go versions.
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//
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// No other features of this package were included in Go 1.13, and at present
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// there are no plans to include any of them.
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package xerrors // import "golang.org/x/xerrors"
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