52 lines
1.3 KiB
Go
52 lines
1.3 KiB
Go
// 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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// For more tutorials : https://learngoprogramming.com
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// In-person training : https://www.linkedin.com/in/inancgumus/
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// Follow me on twitter: https://twitter.com/inancgumus
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package main
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import (
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"fmt"
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s "github.com/inancgumus/prettyslice"
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)
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func main() {
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// think of this as search results of a search engine.
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// it could have been fetched from a database
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items := []string{
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"pacman", "mario", "tetris", "doom",
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"galaga", "frogger", "asteroids", "simcity",
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"metroid", "defender", "rayman", "tempest",
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"ultima",
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}
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s.MaxPerLine = 4
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s.Show("All items", items)
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top3 := items[:3]
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s.Show("Top 3 items", top3)
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l := len(items)
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// you can use variables in a slice expression
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last4 := items[l-4:]
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s.Show("Last 4 items", last4)
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// reslicing: slicing another sliced slice
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mid := last4[1:3]
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s.Show("Last4[1:3]", mid)
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// the same elements can be in different indexes
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// fmt.Println(items[9], last4[0])
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// slicing returns a slice with the same type of the sliced slice
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fmt.Printf("slicing : %T %[1]q\n", items[2:3])
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// indexing returns a single element with the type of the indexed slice's element type
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fmt.Printf("indexing: %T %[1]q\n", items[2])
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}
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