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use std::io;
#[non_exhaustive]
#[derive(thiserror::Error, Debug)]
pub enum Error {
#[error("cannot open cache file")]
OpenFile(#[source] io::Error),
#[error("cannot write cache file")]
WriteFile(#[source] io::Error),
#[error("cannot read binary metadata")]
ReadMetadata(#[source] io::Error),
#[error("unable to serialize cache")]
SerializeCache(#[source] toml::ser::Error),
}
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