mirror of
https://github.com/golang/go
synced 2024-11-24 00:50:10 -07:00
53fd522c0d
Follows suit with https://go-review.googlesource.com/#/c/20111. Generated by running $ grep -R 'Go Authors. All' * | cut -d":" -f1 | while read F;do perl -pi -e 's/Go Authors. All/Go Authors. All/g' $F;done The code in cmd/internal/unvendor wasn't changed. Fixes #15213 Change-Id: I4f235cee0a62ec435f9e8540a1ec08ae03b1a75f Reviewed-on: https://go-review.googlesource.com/21819 Reviewed-by: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
86 lines
1.2 KiB
Go
86 lines
1.2 KiB
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.
|
|
|
|
// Issue 6847: select clauses involving implicit conversion
|
|
// of channels trigger a spurious typechecking error during walk.
|
|
|
|
package p
|
|
|
|
type I1 interface {
|
|
String()
|
|
}
|
|
type I2 interface {
|
|
String()
|
|
}
|
|
|
|
func F() {
|
|
var (
|
|
cr <-chan int
|
|
cs chan<- int
|
|
c chan int
|
|
|
|
ccr chan (<-chan int)
|
|
ccs chan chan<- int
|
|
cc chan chan int
|
|
|
|
ok bool
|
|
)
|
|
// Send cases.
|
|
select {
|
|
case ccr <- cr:
|
|
case ccr <- c:
|
|
}
|
|
select {
|
|
case ccs <- cs:
|
|
case ccs <- c:
|
|
}
|
|
select {
|
|
case ccr <- c:
|
|
default:
|
|
}
|
|
// Receive cases.
|
|
select {
|
|
case cr = <-cc:
|
|
case cs = <-cc:
|
|
case c = <-cc:
|
|
}
|
|
select {
|
|
case cr = <-cc:
|
|
default:
|
|
}
|
|
select {
|
|
case cr, ok = <-cc:
|
|
case cs, ok = <-cc:
|
|
case c = <-cc:
|
|
}
|
|
// Interfaces.
|
|
var (
|
|
c1 chan I1
|
|
c2 chan I2
|
|
x1 I1
|
|
x2 I2
|
|
)
|
|
select {
|
|
case c1 <- x1:
|
|
case c1 <- x2:
|
|
case c2 <- x1:
|
|
case c2 <- x2:
|
|
}
|
|
select {
|
|
case x1 = <-c1:
|
|
case x1 = <-c2:
|
|
case x2 = <-c1:
|
|
case x2 = <-c2:
|
|
}
|
|
select {
|
|
case x1, ok = <-c1:
|
|
case x1, ok = <-c2:
|
|
case x2, ok = <-c1:
|
|
case x2, ok = <-c2:
|
|
}
|
|
_ = ok
|
|
}
|