Trait tokio_io::codec::Encoder [] [src]

pub trait Encoder {
    type Item;
    type Error: From<Error>;
    fn encode(
        &mut self,
        item: Self::Item,
        dst: &mut BytesMut
    ) -> Result<(), Self::Error>; }

Trait of helper objects to write out messages as bytes, for use with FramedWrite.

Associated Types

The type of items consumed by the Encoder

The type of encoding errors.

FramedWrite requires Encoders errors to implement From<io::Error> in the interest letting it return Errors directly.

Required Methods

Encodes a frame into the buffer provided.

This method will encode msg into the byte buffer provided by buf. The buf provided is an internal buffer of the Framed instance and will be written out when possible.