Trait mail::HeaderObjTraitBoxExt

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

Re-export of headers from mail-headers.

Required Methods

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

Implementations on Foreign Types

impl HeaderObjTraitBoxExt for Box<dyn HeaderObjTrait + 'static, Global>

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

Implementors