48 lines
956 B
Go
48 lines
956 B
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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//
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// each int element is 4 bytes (on 64-bit)
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//
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// let's say the ages point to 1000th.
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// ages[1:] will point to 1004th
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// ages[2:] will point to 1008th and so on.
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//
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// they all will be looking at the same
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// backing array.
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//
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ages := []int{35, 15, 25}
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red, green := ages[0:1], ages[1:3]
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s.Show("ages", ages)
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s.Show("red", red)
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s.Show("green", green)
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fmt.Println(red[0])
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// fmt.Println(red[1]) // error
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// fmt.Println(red[2]) // error
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{
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var ages []int
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s.Show("nil slice", ages)
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// or just:
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s.Show("nil slice", []int(nil))
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}
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}
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