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package main
// Tests of defer. (Deferred recover() belongs is recover.go.)
import "fmt"
func deferMutatesResults(noArgReturn bool) (a, b int) {
defer func() {
if a != 1 || b != 2 {
panic(fmt.Sprint(a, b))
}
a, b = 3, 4
}()
if noArgReturn {
a, b = 1, 2
return
}
return 1, 2
}
func init() {
a, b := deferMutatesResults(true)
if a != 3 || b != 4 {
panic(fmt.Sprint(a, b))
}
a, b = deferMutatesResults(false)
if a != 3 || b != 4 {
panic(fmt.Sprint(a, b))
}
}
// We concatenate init blocks to make a single function, but we must
// run defers at the end of each block, not the combined function.
var deferCount = 0
func init() {
deferCount = 1
defer func() {
deferCount++
}()
// defer runs HERE
}
func init() {
// Strictly speaking the spec says deferCount may be 0 or 2
// since the relative order of init blocks is unspecified.
if deferCount != 2 {
panic(deferCount) // defer call has not run!
}
}
func main() {
}
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