cep21

	if trace != nil && trace.WroteHeaders != nil {
		trace.WroteHeaders()
	}

cep21

type ClientTrace struct {
	Log(state string)
}

cep21

type Request struct {
	Method string
	URL *url.URL
	// ...
	// Trace callbacks are executed if they are set
	Trace ClientTrace
}
  

cep21

type ClientTrace struct {
	// Called before a connection is established.  The returned context is used
	// to finish processing the request.
	GetConn func(ctx context.Context, hostPort string) context.Context
}

cep21

type ClientTrace struct {
	// Called before a connection is established.  If it returns a
	// non nil object, that object is used instead for the Connection.
	GetConn func(hostPort string) *net.Conn
}

cep21

type ClientTrace struct {
	// GetConn is called before a connection is created or
	// retrieved from an idle pool. The hostPort is the
	// "host:port" of the target or proxy. GetConn is called even
	// if there's already an idle cached connection available.
	GetConn func(hostPort string)

	// GotConn is called after a successful connection is
	// obtained. There is no hook for failure to obtain a
	// connection; instead, use the error from

cep21

package main

import (
	"fmt"
	"io"
	"net/http"
	"net/http/httptest"
	"net/http/httptrace"
	"os"
)

cep21

package goexperiments

import (
	"context"
	"net/http"
)

type HandlerMiddleware interface {
	HandleHTTPC(ctx context.Context, rw http.ResponseWriter, req *http.Request, next http.Handler)
}

cep21

package goexperiments

import (
	"context"
	"net/http"
)

type HandlerMiddleware interface {
	HandleHTTPC(ctx context.Context, rw http.ResponseWriter, req *http.Request, next http.Handler)
}

cep21

package main

import "fmt"
import "golang.org/x/net/context"

// A message processes parameter and returns the result on responseChan.
// ctx is places in a struct, but this is ok to do.
type message struct {
	responseChan chan<- int
	parameter    string