mirror of
https://github.com/golang/go
synced 2024-11-19 23:44:43 -07:00
50 lines
994 B
Go
50 lines
994 B
Go
|
// Copyright 2009 The Go Authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style
|
||
|
|
// license that can be found in the LICENSE file.
|
||
|
|
|
||
|
|
package main
|
||
|
|
|
||
|
|
type BinOp (a, b int) int;
|
||
|
|
|
||
|
|
type Request struct {
|
||
|
|
a, b int;
|
||
|
|
replyc *chan int;
|
||
|
|
}
|
||
|
|
|
||
|
|
func Run(op *BinOp, request *Request) {
|
||
|
|
result := op(request.a, request.b);
|
||
|
|
request.replyc -< result;
|
||
|
|
}
|
||
|
|
|
||
|
|
func Server(op *BinOp, service *chan *Request) {
|
||
|
|
for {
|
||
|
|
request := <-service;
|
||
|
|
go Run(op, request); // don't wait for it
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func StartServer(op *BinOp) *chan *Request {
|
||
|
|
req := new(chan *Request);
|
||
|
|
go Server(op, req);
|
||
|
|
return req;
|
||
|
|
}
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
adder := StartServer(func(a, b int) int { return a + b });
|
||
|
|
const N = 100;
|
||
|
|
var reqs [N]Request;
|
||
|
|
for i := 0; i < N; i++ {
|
||
|
|
req := &reqs[i];
|
||
|
|
req.a = i;
|
||
|
|
req.b = i + N;
|
||
|
|
req.replyc = new(chan int);
|
||
|
|
adder -< req;
|
||
|
|
}
|
||
|
|
for i := N-1; i >= 0; i-- { // doesn't matter what order
|
||
|
|
if <-reqs[i].replyc != N + 2*i {
|
||
|
|
print("fail at ", i, "\n");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
print("done\n");
|
||
|
|
}
|