59 lines
1.0 KiB
Go
59 lines
1.0 KiB
Go
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// 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 (
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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",
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"mario",
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"tetris",
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"doom",
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"galaga",
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"frogger",
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"asteroids",
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"simcity",
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"metroid",
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"defender",
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"rayman",
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"tempest",
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"ultima",
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}
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// s.Show("0:4", items[0:4])
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// s.Show("4:8", items[4:8])
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// s.Show("8:12", items[8:12])
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// s.Show("12:13", items[12:13])
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// s.Show("12:14", items[12:14]) // error
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l := len(items)
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const pageSize = 4
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for from := 0; from < l; from += pageSize {
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to := from + pageSize
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if to > l {
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to = l
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}
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// fmt.Printf("%d:%d\n", from, to)
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currentPage := items[from:to]
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head := fmt.Sprintf("Page #%d", (from/pageSize)+1)
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s.Show(head, currentPage)
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}
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}
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