42 lines
1.3 KiB
Go
42 lines
1.3 KiB
Go
// For more tutorials: https://blog.learngoprogramming.com
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//
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// Copyright © 2018 Inanc Gumus
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// Learn Go Programming Course
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// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
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//
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package main
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import "fmt"
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// ---------------------------------------------------------
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// EXERCISE: Assign empty slices
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//
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// Assign empty slices to all the slices that you've declared in the previous
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// exercise, and print them here.
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//
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//
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// EXPECTED OUTPUT
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// names : []string 0 false
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// distances: []int 0 false
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// data : []uint8 0 false
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// ratios : []float64 0 false
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// alives : []bool 0 false
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// ---------------------------------------------------------
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func main() {
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var (
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names []string // The names of your friends
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distances []int // The distances
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data []byte // A data buffer
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ratios []float64 // Currency exchange ratios
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alives []bool // Up/Down status of web servers
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)
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fmt.Printf("names : %T %d %t\n", names, len(names), names == nil)
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fmt.Printf("distances: %T %d %t\n", distances, len(distances), distances == nil)
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fmt.Printf("data : %T %d %t\n", data, len(data), data == nil)
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fmt.Printf("ratios : %T %d %t\n", ratios, len(ratios), ratios == nil)
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fmt.Printf("alives : %T %d %t\n", alives, len(alives), alives == nil)
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}
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