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EmptyCatalog

Struct EmptyCatalog 

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pub struct EmptyCatalog;
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The default provider used when none has been installed: every lookup is None. This is what makes the crate usable standalone with zero config — a non-Quarto consumer that installs nothing simply gets code-less, URL-less diagnostics (tier-2 “passthrough” in the discipline’s terms).

Trait Implementations§

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impl CatalogProvider for EmptyCatalog

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fn lookup(&self, _code: &str) -> Option<&ErrorCodeInfo>

Look up an error code’s metadata, or None if it is not in this catalog.

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