mirror of
https://github.com/golang/go
synced 2024-11-13 18:40:22 -07:00
24 lines
381 B
Go
24 lines
381 B
Go
|
// compile
|
||
|
|
|
||
|
|
// Copyright 2014 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.
|
||
|
|
|
||
|
|
// /tmp/x.go:5: cannot use _ as value
|
||
|
|
|
||
|
|
package p
|
||
|
|
|
||
|
|
func f(ch chan int) bool {
|
||
|
|
select {
|
||
|
|
case _, ok := <-ch:
|
||
|
|
return ok
|
||
|
|
}
|
||
|
|
_, ok := <-ch
|
||
|
|
_ = ok
|
||
|
|
select {
|
||
|
|
case _, _ = <-ch:
|
||
|
|
return true
|
||
|
|
}
|
||
|
|
return false
|
||
|
|
}
|