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package main
// Tests of range loops.
import "fmt"
// Range over string.
func init() {
if x := len("Hello, 世界"); x != 13 { // bytes
panic(x)
}
var indices []int
var runes []rune
for i, r := range "Hello, 世界" {
runes = append(runes, r)
indices = append(indices, i)
}
if x := fmt.Sprint(runes); x != "[72 101 108 108 111 44 32 19990 30028]" {
panic(x)
}
if x := fmt.Sprint(indices); x != "[0 1 2 3 4 5 6 7 10]" {
panic(x)
}
s := ""
for _, r := range runes {
s = fmt.Sprintf("%s%c", s, r)
}
if s != "Hello, 世界" {
panic(s)
}
var x int
for range "Hello, 世界" {
x++
}
if x != len(indices) {
panic(x)
}
}
// Regression test for range of pointer to named array type.
func init() {
type intarr [3]int
ia := intarr{1, 2, 3}
var count int
for _, x := range &ia {
count += x
}
if count != 6 {
panic(count)
}
}
func main() {
}
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