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Trait Metadata

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pub trait Metadata:
    DeserializeOwned
    + Serialize
    + Clone
    + Send {
    type Error: Clone + MetadataError;

    // Required methods
    fn timestamp(&self) -> Timestamp;
    fn errors(&self) -> Option<&[Self::Error]>;
    fn set_errors(&mut self, errors: Vec<Self::Error>);

    // Provided method
    fn has_errors(&self) -> bool { ... }
}

Required Associated Types§

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type Error: Clone + MetadataError

The type of error returned in this metadata.

Required Methods§

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fn timestamp(&self) -> Timestamp

Returns the timestamp at which this value was recorded.

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fn errors(&self) -> Option<&[Self::Error]>

Returns the errors recorded with this value, if any.

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fn set_errors(&mut self, errors: Vec<Self::Error>)

Overrides the errors associated with this value.

Provided Methods§

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fn has_errors(&self) -> bool

Returns whether any errors are recorded on this value.

Dyn Compatibility§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors§