36 lines
488 B
Go
36 lines
488 B
Go
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package main
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import (
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"fmt"
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"log"
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"math"
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"os"
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"strconv"
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)
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type Numbers interface {
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int64 | float64 | int
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}
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func main() {
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fmt.Print()
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if len(os.Args) != 2 {
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fmt.Println("Usage: ./sqrt 49")
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os.Exit(1)
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}
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arg, err := strconv.Atoi(os.Args[1])
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if err != nil {
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log.Fatalf("Error occurred calculating square root: %v\n", err)
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}
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s := getSquareRoot(arg)
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fmt.Println(s)
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}
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func getSquareRoot[T Numbers](n T) T {
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squareRoot := math.Sqrt(float64(n))
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return T(squareRoot)
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}
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