static StringParserRepository()
{
var cache = new ConcurrentDictionary <Type, Lazy <IStringParser> >();
var ispi = typeof(IStringParser);
var types = ReflectionUtility
.AllTypesWhere(t => t.GetDefaultConstructor() != null && t.HasInterface(ispi));
foreach (var type in types)
{
var cnstrinfo = type.GetDefaultConstructor();
var isp = (IStringParser)cnstrinfo.Invoke(Type.EmptyTypes);
cache.TryAdd(isp.TargetType, new Lazy <IStringParser>(() => isp));
}
DefaultRepository = new StringParserRepositoryImpl(cache);
}