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bcf4ccf817
The downcasting abilities of `anyhow` are pretty powerful. Unfortunately, they can also be a bit tricky to get right. Whilst `is` and `downcast` work fine for any errors that are within the `anyhow` error chain, they don't check the chain of errors prior to that. In other words, if we already have a nested `std::error::Error` with several causes, `anyhow` cannot downcast to these causes directly. In order to avoid this footgun, we create a thin-layer on top of the `anyhow` crate with some downcasting functions that always try to do the right thing.
15 lines
1.5 KiB
TOML
15 lines
1.5 KiB
TOML
avoid-breaking-exported-api = false # We don't publish anything to crates.io, hence we don't need to worry about breaking Rust API changes.
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disallowed-methods = [
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{ path = "std::collections::HashMap::iter", reason = "HashMap has non-deterministic iteration order, use BTreeMap instead" },
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{ path = "std::collections::HashMap::keys", reason = "HashMap has non-deterministic iteration order, use BTreeMap instead" },
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{ path = "std::collections::HashMap::values", reason = "HashMap has non-deterministic iteration order, use BTreeMap instead" },
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{ path = "std::collections::HashSet::iter", reason = "HashSet has non-deterministic iteration order, use BTreeSet instead" },
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{ path = "std::collections::HashMap::iter_mut", reason = "HashMap has non-deterministic iteration order, use BTreeMap instead" },
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{ path = "tracing::subscriber::set_global_default", reason = "Does not init `LogTracer`, use `firezone_logging::init` instead." },
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{ path = "anyhow::Error::is", reason = "Does not check entire source chain, use `any_is` instead" },
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{ path = "anyhow::Error::downcast_ref", reason = "Does not check entire source chain, use `any_downcast_ref` instead" },
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{ path = "anyhow::Error::downcast_mut", reason = "Does not check entire source chain, use `any_downcast_ref` instead" },
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{ path = "anyhow::Error::downcast", reason = "Does not check entire source chain, use `any_downcast_ref` instead" },
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{ path = "anyhow::Error::root_cause", reason = "Does not check entire source chain, use `any_downcast_ref` instead" },
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]
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