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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 xcontext is a package to offer the extra functionality we need
// from contexts that is not available from the standard context package.
package xcontext
import (
"context"
"time"
)
// Detach returns a context that keeps all the values of its parent context
// but detaches from the cancellation and error handling.
func Detach(ctx context.Context) context.Context { return detachedContext{ctx} }
type detachedContext struct{ parent context.Context }
func (v detachedContext) Deadline() (time.Time, bool) { return time.Time{}, false }
func (v detachedContext) Done() <-chan struct{} { return nil }
func (v detachedContext) Err() error { return nil }
func (v detachedContext) Value(key interface{}) interface{} { return v.parent.Value(key) }
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