Implementing Co, a Small Interpreted Language With Coroutines #1: The Parser

[abhin4v]

Thanks a lot for the kind words . I learned a lot about this topic from your Streama screencasts.

@gilmi

Question: I don’t understand how the ping pong example works. You mention that using coroutines a process needs to yield the ToC, but I don’t see any yielding in the program. What’s going on?

This is the first part of a three-part series. I’ll go over how coroutines and channels work in the third part. But in short, sending and receiving over channels implicitly yields.

@gilmi

Instead, you want to do left factoring: parse the common prefixes together and then choose between the function call route (which starts with parens) and simply returning the identifier.

I agree. I wrote it this way to keep things simple. I didn’t want to add extra mental overhead for the readers.