mail::header_encoding

Trait EncodableInHeader

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pub trait EncodableInHeader:
    Send
    + Sync
    + Any
    + Debug {
    // Required methods
    fn encode(
        &self,
        encoder: &mut EncodingWriter<'_>,
    ) -> Result<(), EncodingError>;
    fn boxed_clone(&self) -> Box<dyn EncodableInHeader>;
}
Expand description

Trait Implemented by “components” used in header field bodies

This trait can be turned into a trait object allowing runtime genericallity over the “components” if needed.

Required Methods§

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fn encode(&self, encoder: &mut EncodingWriter<'_>) -> Result<(), EncodingError>

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fn boxed_clone(&self) -> Box<dyn EncodableInHeader>

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impl dyn EncodableInHeader

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pub fn is<T>(&self) -> bool
where T: EncodableInHeader,

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pub fn downcast_ref<T>(&self) -> Option<&T>
where T: EncodableInHeader,

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pub fn downcast_mut<T>(&mut self) -> Option<&mut T>
where T: EncodableInHeader,

Trait Implementations§

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impl Clone for Box<dyn EncodableInHeader>

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fn clone(&self) -> Box<dyn EncodableInHeader>

Returns a duplicate of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl EncodableInHeaderBoxExt for Box<dyn EncodableInHeader>

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fn downcast<T>(self) -> Result<Box<T>, Box<dyn EncodableInHeader>>
where T: EncodableInHeader,

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impl EncodableInHeaderBoxExt for Box<dyn EncodableInHeader + Send>

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fn downcast<T>(self) -> Result<Box<T>, Box<dyn EncodableInHeader + Send>>
where T: EncodableInHeader,

Implementors§