Implement command line arguments

formatter/json_formatter.go

@@ -12,6 +12,11 @@ type JSONFormatter struct {
 	Metadata lint.FormatterMetadata
 }
 
+// Name returns the name of the formatter
+func (f *JSONFormatter) Name() string {
+	return "json"
+}
+
 // Format formats the failures gotten from the lint.
 func (f *JSONFormatter) Format(failures <-chan lint.Failure, config lint.RulesConfig) (string, error) {
 	var slice []lint.Failure