package main import "os" var ( IsEndless = false Color = true HardMode = false ) const ( EndlessOpt = "-e" NoColorOpt = "-nc" HardModeOpt = "--hard" ) func ParseOptions() { for _, arg := range os.Args { switch arg { case EndlessOpt: IsEndless = true case NoColorOpt: Color = false case HardModeOpt: HardMode = true } } }