main.go 源码
// Copyright © 2018 Inanc Gumus
// Learn Go Programming Course
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//
// For more tutorials : https://learngoprogramming.com
// In-person training : https://www.linkedin.com/in/inancgumus/
// Follow me on twitter: https://twitter.com/inancgumus
package main
import "fmt"
func main() {
// what's the value of the ratio?
// 3 / 2 = 1.5?
var ratio float64 = 3 / 2
fmt.Println(ratio)
// explain
// above expression equals to this:
ratio = float64(int(3) / int(2))
fmt.Println(ratio)
// how to fix it?
//
// remember, when one of the values is a float value
// the result becomes a float
ratio = float64(3) / 2
fmt.Println(ratio)
// or
ratio = 3.0 / 2
fmt.Println(ratio)
}
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