$rx<T> constructor
Implementation
factory $rx(T val, {String? ref, List<String>? tags})
{
if(_cache.containsKey(ref))
{
return _cache[ref] as $rx<T>;
} else {
final $rx<T> _rx = $rx._internal(val, ref:ref, tags:tags);
_cache[ref] = _rx;
return _rx;
}
}