static Stack <string> _GetFullNamepaceRec(this ISymbol _this)
{
if (_this.ContainingNamespace == null)
{
return(Empty.MutableStack <string>());
}
else
{
var previous = _this.ContainingNamespace._GetFullNamepaceRec();
var res = previous.WithPushed(_this.ContainingNamespace.Name);
return(res);
}
}