// Copyright 2018 The Go Authors. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package protocol import ( "context" ) type contextKey int const ( clientKey = contextKey(iota) ) func WithClient(ctx context.Context, client Client) context.Context { return context.WithValue(ctx, clientKey, client) }