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