Convert GO: Convert a structure to a string

gistfile1.txt

// GO: Convert a structure to a string
// Input: interface{}
// Output: (string, nil) if OK,  ("", error) otherwise 
// 
func structToString (sourceStruct interface{}) (string, error) {
	sourceJson, error := json.Marshal(sourceStruct)
	if error != nil {
		return "", error
	} 
	return string(sourceJson), nil
}