Trait mail::HeaderObjTraitBoxExt

pub trait HeaderObjTraitBoxExt {
    fn downcast<H>(self) -> Result<Box<Header<H>>, Self>
    where
        H: HeaderKind;
}

Re-export of headers from mail-headers.

Required methods

fn downcast<H>(self) -> Result<Box<Header<H>>, Self> where
    H: HeaderKind, 

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Implementations on Foreign Types

impl HeaderObjTraitBoxExt for Box<dyn HeaderObjTrait + 'static>

fn downcast<H>(
    self
) -> Result<Box<Header<H>>, Box<dyn HeaderObjTrait + 'static>> where
    H: HeaderKind, 

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Implementors

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