33 lines
687 B
Go
33 lines
687 B
Go
// 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"
|
|
"os"
|
|
"strconv"
|
|
)
|
|
|
|
// EXERCISE
|
|
//
|
|
// This program uses magic numbers
|
|
// Refactor it and use named constants instead
|
|
|
|
func main() {
|
|
arg := os.Args[1]
|
|
|
|
feet, _ := strconv.ParseFloat(arg, 64)
|
|
|
|
meters := feet * 0.3048
|
|
yards := feet * 0.3333
|
|
|
|
fmt.Printf("%g feet is %g meters.\n", feet, meters)
|
|
fmt.Printf("%g feet is %g yards.\n", feet, yards)
|
|
}
|