// Copyright © 2018 Inanc Gumus
// Learn Go Programming Course
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//
// For more tutorials  : https://learngoprogramming.com
// In-person training  : https://www.linkedin.com/in/inancgumus/
// Follow me on twitter: https://twitter.com/inancgumus

package main

import "fmt"

func main() {
	var (
		names     []string  // The names of your friends
		distances []int     // The distances
		data      []byte    // A data buffer
		ratios    []float64 // Currency exchange ratios
		alives    []bool    // Up/Down status of web servers
	)

	names = []string{}
	distances = []int{}
	data = []byte{}
	ratios = []float64{}
	alives = []bool{}

	fmt.Printf("names    : %T %d %t\n", names, len(names), names == nil)
	fmt.Printf("distances: %T %d %t\n", distances, len(distances), distances == nil)
	fmt.Printf("data     : %T %d %t\n", data, len(data), data == nil)
	fmt.Printf("ratios   : %T %d %t\n", ratios, len(ratios), ratios == nil)
	fmt.Printf("alives   : %T %d %t\n", alives, len(alives), alives == nil)
}