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Dave Tucker e899c8e408 WIP: Reduce Explosion of Aya Error Types ... I have been down a rabbit hole of cleaning up the aya error types 😅 Most of the important changes are in `errors.rs`. TL;DR Current exposed types are: - `EbpfError` - `ProgramError` - `MapError` - `LinkError` - `PerfBufferError` - `SysError` Honestly I'm still thinking about how we could collapse those types. Either into a single type, or at least fewer than we expose today. Within each of those types, I've tried to remove any invariants that don't have any business being public (e.g if a syscall fails with -EINVAL, there is nothing at runtime you can do about it other than bailing). 👆 (and the spaghetti of errors depending on other errors) are replaced by an `Other` invariant that's a Box<dyn std::error::Error>. There are still some `pub(crate) XInternalError` types, but these are used only to make nice error messages. This could plausibly be replaced with anyhow/context etc.. But I've left it as-is for now. Signed-off-by: Dave Tucker <dave@dtucker.co.uk>		6 months ago
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lib.rs	WIP: Reduce Explosion of Aya Error Types	6 months ago