mirror of
https://github.com/golang/go
synced 2024-11-02 09:03:03 +00:00
29 lines
449 B
Go
29 lines
449 B
Go
|
// run
|
||
|
|
|
||
|
|
// Copyright 2021 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
|
||
|
|
|
||
|
|
import "fmt"
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
ch := make(chan int, 1)
|
||
|
|
|
||
|
|
var ptrs [2]*int
|
||
|
|
for i := range ptrs {
|
||
|
|
ch <- i
|
||
|
|
select {
|
||
|
|
case x := <-ch:
|
||
|
|
ptrs[i] = &x
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
for i, ptr := range ptrs {
|
||
|
|
if *ptr != i {
|
||
|
|
panic(fmt.Sprintf("got *ptr %d, want %d", *ptr, i))
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|