Module rustc_query_impl::on_disk_cache
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A decoder that can read from the incremental compilation cache. It is similar to the one
we use for crate metadata decoding in that it can rebase spans and eventually
will also handle things that contain
Ty instances.An encoder that can write to the incremental compilation cache.
An
EncodedSourceFileId is the same as a StableSourceFileId except that
the source crate is represented as a StableCrateId instead of as a
CrateNum. This way EncodedSourceFileId can be encoded and decoded
without any additional context, i.e. with a simple opaque::Decoder (which
is the only thing available when decoding the cache’s Footer.Footer 🔒
Provides an interface to incremental compilation data cached from the
previous compilation session. This data will eventually include the results
of a few selected queries (like
typeck and mir_optimized) and
any side effects that have been emitted during a query.