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package examples
import (
"os"
"strings"
"github.com/fatih/color"
)
func CheckArgs(arg ...string) {
if len(os.Args) < len(arg)+1 {
Warning("Usage: %s %s", os.Args[0], strings.Join(arg, " "))
os.Exit(1)
}
}
func CheckIfError(err error) {
if err == nil {
return
}
color.Red("error: %s", err)
os.Exit(1)
}
func Info(format string, args ...interface{}) {
color.Blue(format, args...)
}
func Warning(format string, args ...interface{}) {
color.Cyan(format, args...)
}
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