+++ /dev/null
-// Copyright 2017 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.
-
-// +build !go1.7
-
-package trace
-
-import "golang.org/x/net/context"
-
-// NewContext returns a copy of the parent context
-// and associates it with a Trace.
-func NewContext(ctx context.Context, tr Trace) context.Context {
- return context.WithValue(ctx, contextKey, tr)
-}
-
-// FromContext returns the Trace bound to the context, if any.
-func FromContext(ctx context.Context) (tr Trace, ok bool) {
- tr, ok = ctx.Value(contextKey).(Trace)
- return
-}