Назначение префикса и placeholder через переменные оболочки

suggestions/suggestions.go

@@ -6,11 +6,13 @@ import "strings"
 var defaultSuggestions = []string{"exit"}
 
 func Completer(in string) []string {
-	if in=="" {return nil}
+	if in == "" {
+		return nil
+	}
 	var matched []string
-	for _,cmd := range defaultSuggestions {
-		if strings.HasPrefix(cmd,in){
-			matched=append(matched, cmd)
+	for _, cmd := range defaultSuggestions {
+		if strings.HasPrefix(cmd, in) {
+			matched = append(matched, cmd)
 		}
 	}
 	return matched