Refactor awgo's unmaintainable global hell out of main

main.go

@@ -9,17 +9,21 @@ import (
 	"regexp"
 )
 
-var wf *aw.Workflow
-
-func init() {
-	wf = aw.New()
-}
 
 func main() {
-	wf.Run(run)
+	translations := translateProgramArgs()
+
+	wf := aw.New()
+	wf.Run(func() {
+		for _, translation := range translations {
+			wf.NewItem(translation).Arg(translation).Valid(true)
+		}
+		wf.WarnEmpty("No results", "Try a different query?")
+		wf.SendFeedback()
+	})
 }
 
-func run() {
+func translateProgramArgs() []string {
 	word, fromLang, toLang := parseProgramArgs(os.Args)
 	if fromLang == "" && toLang == "" {
 		fromLang, toLang = decideWhatLanguagesToUse(word)
@@ -28,11 +32,7 @@ func run() {
 	t := trans.New(word)
 	t.Language = fromLang
 	translations := t.Translate(toLang)
-	for _, translation := range translations {
-		wf.NewItem(translation).Arg(translation).Valid(true)
-	}
-	wf.WarnEmpty("No results", "Try a different query?")
-	wf.SendFeedback()
+	return translations
 }
 
 func parseProgramArgs(args []string) (string, string, string) {