package main import "flag" import "log" import "os" func main() { defPath := flag.String("def-path", "", "path to definition YAML file") flag.Parse() if *defPath == "" { log.Fatal("Please specify --def-path") } defFile, err := os.Open(*defPath) if err != nil { log.Fatal(err) } def, err := NewDefinition(defFile) if err != nil { log.Fatal(err) } def.Grow() }