What's something about you wish you knew more about? It doesn't have to be technical per se. It could be history, why design decisions were made, or just technical questions! I'll try to turn one of the questions into a blog post
Conversation
I'm really interested in the history of error handling. Did anything come before the try macro? I tried reading a bit about the ? operator but it seems like it was often part of a larger discussion and across multiple RFCs. Would be cool to see that all organized.
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There was a bunch of stuff in pre-RFC rust, like conditions that were ultimately ripped out. It's hard to find the old language guides though (from 0.1 to 1.0), so I'm not sure where to point you to.