RosettaCodeData/Task/Integer-comparison/Go/integer-comparison.go

37 lines
737 B
Go

package main
import (
"fmt"
"bufio"
"os"
"strconv"
"strings"
)
func main() {
in := bufio.NewReader(os.Stdin)
getInt := func() int {
fmt.Print("Integer: ")
s, err := in.ReadString('\n')
if err != nil {
fmt.Println("\nComputer says input error")
os.Exit(0)
}
i, err := strconv.Atoi(strings.TrimSpace(s))
if err != nil {
fmt.Println("Not an integer")
os.Exit(0)
}
return i
}
n1 := getInt()
n2 := getInt()
switch {
case n1 < n2: fmt.Println(n1, "less than", n2)
case n1 == n2: fmt.Println(n1, "equal to", n2)
case n1 > n2: fmt.Println(n1, "greater than", n2)
}
}