github.com/Kolosok86/http@v0.1.2/http2/go111.go (about) 1 // Copyright 2018 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 //go:build go1.11 6 // +build go1.11 7 8 package http2 9 10 import ( 11 "net/http/httptrace" 12 "net/textproto" 13 ) 14 15 func traceHasWroteHeaderField(trace *httptrace.ClientTrace) bool { 16 return trace != nil && trace.WroteHeaderField != nil 17 } 18 19 func traceWroteHeaderField(trace *httptrace.ClientTrace, k, v string) { 20 if trace != nil && trace.WroteHeaderField != nil { 21 trace.WroteHeaderField(k, []string{v}) 22 } 23 } 24 25 func traceGot1xxResponseFunc(trace *httptrace.ClientTrace) func(int, textproto.MIMEHeader) error { 26 if trace != nil { 27 return trace.Got1xxResponse 28 } 29 return nil 30 }