Think the following section should explain the strange behaviour you're
seeing:
https://golang.org/ref/spec#Order_of_evaluation
On 19/03/2017 22:59, Jan Mercl wrote:
While trying to resolve a failing (C) test case[0] I encountered a
(Go) behavior I do not understand. This code[1]
package main
import (
"fmt"
)
var (
x = [1]int{2}
x2 = [1]int{2}
)
func foo() int {
x[0] |= 128
return 1
}
func foo2() int {
x2[0] |= 128
return 1
}
func main() {
x[0] |= foo()
fmt.Println(x[0])
v := x2[0] | foo2()
fmt.Println(v)
}
outputs:
3
131
It seems to me that the two numbers should be the same. (?)
Thanks in advance to anyone enlightening me.
[0]:
https://github.com/gcc-mirror/gcc/blob/4107202e2b8f814f4c63a61b043cfb36a3798de3/gcc/testsuite/gcc.c-torture/execute/pr58943.c
[1]: https://play.golang.org/p/fGibPFuejQ
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-j
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