Trait mail_internals::encoder::EncodableInHeaderBoxExt

pub trait EncodableInHeaderBoxExt: Sized {
    fn downcast<T: EncodableInHeader>(self) -> StdResult<Box<T>, Self>;
}

Required Methods

fn downcast<T: EncodableInHeader>(self) -> StdResult<Box<T>, Self>

Implementations on Foreign Types

impl EncodableInHeaderBoxExt for Box<dyn EncodableInHeader>

fn downcast<T: EncodableInHeader>(self) -> StdResult<Box<T>, Self>

impl EncodableInHeaderBoxExt for Box<dyn EncodableInHeader + Send>

fn downcast<T: EncodableInHeader>(self) -> StdResult<Box<T>, Self>

Implementors