Merged in five days, open in seven hundred
Leaving a healthy dependency: cockroachdb/errors predates Go 1.20, so its Join hides the aggregate and everything below it goes missing.
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Error-Handling
The afternoon the agent earned its keep
Adding stream-copy remux to a WebAssembly FFmpeg build, where writing Matroska hung forever and the identical MP4 path did not.
Errors without an error handler
Go funnels errors through a handler. In Rust, diagnostics carry their own code and help and propagate on their own, so the funnel disappears.
Errors that tell the user what to do next
Recovery advice belongs in a structured error hint, not buried in the message string. One error handler then decides how to show it.
