[−][src]Type Definition mail_headers::HeaderObj
type HeaderObj = dyn HeaderObjTrait;
Type alias for HeaderObjTrait's trait object.
Methods
impl HeaderObj
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pub fn is<H>(&self) -> bool where
H: HeaderKind,
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H: HeaderKind,
pub fn downcast_ref<H>(&self) -> Option<&Header<H>> where
H: HeaderKind,
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H: HeaderKind,
pub fn downcast_mut<H>(&mut self) -> Option<&mut Header<H>> where
H: HeaderKind,
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H: HeaderKind,