39 lines
813 B
Go
39 lines
813 B
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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func main() {
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var array [2]int
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// zero value of an array is zero-valued elements
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fmt.Printf("array : %#v\n", array)
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// nope: arrays are fixed length
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// array[2] = 0
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var slice []int
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// zero value of a slice is nil
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fmt.Println("slice == nil?", slice == nil)
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// nope: they don't exist:
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// _ = slice[0]
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// _ = slice[1]
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// len function still works though
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fmt.Println("len(slice) :", len(slice))
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// array's length is part of its type
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fmt.Printf("array's type: %T\n", array)
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// whereas, slice's length isn't part of its type
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fmt.Printf("slice's type: %T\n", slice)
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}
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