Remove pipe from this change.

examples/pipe/main.go

@@ -1,67 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"log"
-	"net"
-	"time"
-
-	"google.golang.org/grpc"
-)
-
-type memAddr string
-
-func (a memAddr) Network() string { return "mem" }
-func (a memAddr) String() string  { return string(a) }
-
-type memListener struct {
-	c chan net.Conn
-}
-
-func (ln *memListener) Accept() (net.Conn, error) {
-	conn, ok := <-ln.c
-	if !ok {
-		return nil, fmt.Errorf("closed")
-	}
-	return conn, nil
-}
-
-func (ln *memListener) Addr() net.Addr {
-	return memAddr(fmt.Sprintf("%p", ln))
-}
-
-func (ln *memListener) Close() error {
-	close(ln.c)
-	return nil
-}
-
-func main() {
-	grpc.EnableTracing = true
-
-	ln := &memListener{
-		c: make(chan net.Conn, 1),
-	}
-
-	go func() {
-		s := grpc.NewServer()
-		log.Fatal(s.Serve(ln))
-	}()
-
-	log.Printf("Dialing to server over a synchronous pipe...")
-	serverConn, err := grpc.Dial("inmemory",
-		grpc.WithInsecure(),
-		grpc.WithBlock(),
-		grpc.WithDialer(func(_ string, _ time.Duration) (net.Conn, error) {
-			c1, c2 := net.Pipe()
-			log.Printf("Pipe created: %v %v", c1, c2)
-			ln.c <- c2
-			log.Printf("Pipe accepted: %v %v", c1, c2)
-			return c1, nil
-		}))
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	// BUG: never reached
-	log.Printf("SUCCESS! Connected to server: %v", serverConn)
-}