Function prost::encode_length_delimiter

pub fn encode_length_delimiter<B>(
    length: usize, 
    buf: &mut B
) -> Result<(), EncodeError> where
    B: BufMut, 

Encodes a length delimiter to the buffer.

See [Message.encode_length_delimited] for more info.

An error will be returned if the buffer does not have sufficient capacity to encode the delimiter.