Files
base64
bitflags
bytes
cfg_if
dtoa
encoding_rs
fnv
foreign_types
foreign_types_shared
futures
futures_channel
futures_core
futures_executor
futures_io
futures_macro
futures_sink
futures_task
futures_util
async_await
future
io
lock
sink
stream
task
goauth
h2
hashbrown
http
http_body
httparse
hyper
hyper_tls
idna
indexmap
iovec
itoa
lazy_static
libc
log
matches
memchr
mime
mime_guess
mio
native_tls
net2
num_cpus
once_cell
openssl
openssl_probe
openssl_sys
percent_encoding
pin_project
pin_project_internal
pin_project_lite
pin_utils
proc_macro2
proc_macro_hack
proc_macro_nested
quote
reqwest
ryu
serde
serde_derive
serde_json
serde_urlencoded
simpl
slab
smpl_jwt
socket2
standback
syn
time
time_macros
time_macros_impl
tinyvec
tokio
future
io
loom
macros
net
park
runtime
stream
sync
task
time
util
tokio_tls
tokio_util
tower_service
tracing
tracing_core
try_lock
unicase
unicode_bidi
unicode_normalization
unicode_xid
url
want
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
use bytes::BytesMut;
use std::io;

/// Trait of helper objects to write out messages as bytes, for use with
/// [`FramedWrite`].
///
/// [`FramedWrite`]: crate::codec::FramedWrite
pub trait Encoder<Item> {
    /// The type of encoding errors.
    ///
    /// [`FramedWrite`] requires `Encoder`s errors to implement `From<io::Error>`
    /// in the interest letting it return `Error`s directly.
    ///
    /// [`FramedWrite`]: crate::codec::FramedWrite
    type Error: From<io::Error>;

    /// Encodes a frame into the buffer provided.
    ///
    /// This method will encode `item` into the byte buffer provided by `dst`.
    /// The `dst` provided is an internal buffer of the [`FramedWrite`] instance and
    /// will be written out when possible.
    ///
    /// [`FramedWrite`]: crate::codec::FramedWrite
    fn encode(&mut self, item: Item, dst: &mut BytesMut) -> Result<(), Self::Error>;
}