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// run
// Copyright 2012 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.
// Order of operations in select.
package main
func main() {
c := make(chan int, 1)
x := 0
select {
case c <- x: // should see x = 0, not x = 42 (after makec)
case <-makec(&x): // should be evaluated only after c and x on previous line
}
y := <-c
if y != 0 {
panic(y)
}
}
func makec(px *int) chan bool {
if false { for {} }
*px = 42
return make(chan bool, 0)
}