package main

import (
	"fmt"
	// "slices"
)

func main() {

	var s []string
	fmt.Println("uninit", s, s == nil, len(s) == 0)

	s = make([]string, 3)
	fmt.Println("emp:", s, "len:", len(s), "cap:", cap(s))

	s[0] = "a"
	s[1] = "b"
	s[2] = "c"

	fmt.Println("set:", s)
	fmt.Println("get:", s[2])

	s = append(s, "d")
	s = append(s, "e", "f")

	fmt.Println("apd:", s)

	f := make([]int, 3, 10)
	fmt.Println("f:", f, "len:", len(f), "cap:", cap(f))

	c := make([]string, len(s))
	copy(c, s)
	fmt.Println("cpy:", c)

	l := s[2:5]
	fmt.Println("sl1:", l)
	// two d slices
	twoD := make([][]int, 10)

	for i := range len(twoD) {
		innerLen := i + 1
		twoD[i] = make([]int, innerLen)
		for j := range innerLen {
			twoD[i][j] = 1 + j
		}
	}
	fmt.Println("2d: ", twoD)
}