30 lines
631 B
Go
30 lines
631 B
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 "fmt"
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func main() {
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// Let's create a variable using the empty interface type.
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var any interface{}
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// The variable can accept any type of value.
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any = []int{1, 2, 3}
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any = map[int]bool{1: true, 2: false}
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any = "hello"
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any = 3
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// You can't multiply the last number.
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// Reason: `any` is an `interface{}`, it's not a number.
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// any = any * 2
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// any = int(any) * 2
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any = any.(int) * 2
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fmt.Println(any)
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}
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