To do the challenge one would just need to understand the platform abstraction layer which is pretty small, and write 1K to 2K LOC. We don't even use much of th

To do the challenge one would just need to understand the platform abstraction layer which is pretty small, and write 1K to 2K LOC. We don't even use much of the GUI toolkit functionality. I certainly don't need to understand the majority of a codebase to make meaningful contributions in specific areas.