clean up server code in tutorial

R=rsc
DELTA=15  (1 added, 0 deleted, 14 changed)
OCL=23889
CL=23889

doc/go_tutorial.txt

@@ -755,7 +755,7 @@ With channels, it's possible to serve multiple independent client goroutines wit
 writing an actual multiplexer.  The trick is to send the server a channel in the message,
 which it will then use to reply to the original sender.
 A realistic client-server program is a lot of code, so here is a very simple substitute
-to illustrate the idea.  It starts by defining a "Request" type, which embeds a channel
+to illustrate the idea.  It starts by defining a "request" type, which embeds a channel
 that will be used for the reply.
 
 --PROG progs/server.go /type.request/ /^}/

doc/progs/run

@@ -68,7 +68,8 @@ testit print_string "" "77 Sunset Strip"
 testitpipe sieve "sed 10q" "2 3 5 7 11 13 17 19 23 29"
 testitpipe sieve "sed 10q" "2 3 5 7 11 13 17 19 23 29"
 
-# server hangs; don't run it
+# server hangs; don't run it, just compile it
+6g server.go
 testit server1 "" ""
 
 rm -f 6.out *.6

doc/progs/server.go

@@ -11,21 +11,21 @@ type request struct {
 
 type binOp (a, b int) int;
 
-func run(op *BinOp, request *Request) {
-	result := op(request.a, request.b);
-	request.replyc <- result;
+func run(op *binOp, req *request) {
+	result := op(req.a, req.b);
+	req.replyc <- result;
 }
 
-func server(op *BinOp, service chan *Request) {
+func server(op *binOp, service chan *request) {
 	for {
-		request := <-service;
-		go run(op, request);  // don't wait for it
+		req := <-service;
+		go run(op, req);  // don't wait for it
 	}
 }
 
-func startServer(op *BinOp) chan *Request {
-	req := make(chan *Request);
-	go Server(op, req);
+func startServer(op *binOp) chan *request {
+	req := make(chan *request);
+	go server(op, req);
 	return req;
 }
 

doc/progs/server1.go

@@ -11,9 +11,9 @@ type request struct {
 
 type binOp (a, b int) int;
 
-func run(op *binOp, request *request) {
-	result := op(request.a, request.b);
-	request.replyc <- result;
+func run(op *binOp, req *request) {
+	result := op(req.a, req.b);
+	req.replyc <- result;
 }
 
 func server(op *binOp, service chan *request, quit chan bool) {