Although many other class implementations exist, upperclass provides additional class features such as:
Class Member Scopes public, private, protected allowing tailored access to class members from inside/outside of classes
Strict Class Property Member types that support all available lua types string, boolean, number, table, userdata and behavior to fail when property types are violated
Ability to utilize metamethods __index and __newindex within your class definition to build custom class behavior (most other class libraries prohibit use of __index and __newindex
My library fits my needs. I am looking for specific feedback to determine if this library is ready for community consumption and any/all other feedback.
Just curious, what features were you looking for specifically? In my case many of my projects and libraries needed a class system with strict typing and scoped members which is why I choose to start the daunting task of building a class library that provided such features.
I have hopes to integrate additional features such as:
- Interfaces
- Enums
- User defined error handling
- Auto generated accessors
- Property member multiple types
- Property member type of another upperclass class
But unless the community request such features, I will wait until I need them to begin the development of them.
Anyway, I hope you enjoy upperclass. Let me know if you have any trouble/bugs.
(But not quite enough to make it myself 
)