package main

func main() {
	s := []uint8{:0}
	for i := int32(0); i < 100; i++ {
		s = append(s, uint8(i))
	}
	if len(s) == 100 && s[0] == 0 && s[99] == 99 {
		println("grow ok")
	}

	data := "hello world"
	sub := data[6:11]
	if sub == "world" {
		println("subslice ok")
	}

	buf := []uint8{:0}
	buf = append(buf, 'a')
	buf = append(buf, 'b')
	buf = append(buf, 'c')
	piece := buf[1:3]
	if piece[0] == 'b' && piece[1] == 'c' && len(piece) == 2 {
		println("slice piece ok")
	}
}