27 lines
562 B
Go
27 lines
562 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"
|
|
"math"
|
|
"os"
|
|
"strconv"
|
|
)
|
|
|
|
func main() {
|
|
var radius, vol float64
|
|
|
|
radius, _ = strconv.ParseFloat(os.Args[1], 64)
|
|
|
|
vol = (4 * math.Pi * math.Pow(radius, 3)) / 3
|
|
|
|
fmt.Printf("radius: %g -> volume: %.2f\n", radius, vol)
|
|
}
|