wa/_examples/misc/string.wa

func gen_str() => string {
	return "123456"
}

func main() {
	println("你好，凹语言！")
	
	s1 := gen_str()
	s2 := s1[0:3]
	s2 = s2 + "abc"
	println(s1)
	println(s2)	
}