Struct bytecodec::combinator::Map

pub struct Map<D, T, F> { /* fields omitted */ }

Combinator for converting decoded items to other values.

This is created by calling DecodeExt::map method.

Methods

impl<D: Decode, T, F> Map<D, T, F>

pub fn inner_ref(&self) -> &D

Returns a reference to the inner decoder.

pub fn inner_mut(&mut self) -> &mut D

Returns a mutable reference to the inner decoder.

pub fn into_inner(self) -> D

Takes ownership of this instance and returns the inner decoder.

Trait Implementations

impl<D: Debug, T: Debug, F: Debug> Debug for Map<D, T, F>

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<D, T, F> Decode for Map<D, T, F> where
    D: Decode,
    F: Fn(D::Item) -> T, 

type Item = T

The type of items to be decoded.

fn decode(&mut self, buf: &[u8], eos: Eos) -> Result<usize>

Consumes the given buffer (a part of a byte sequence), and proceeds the decoding process.

fn finish_decoding(&mut self) -> Result<Self::Item>

Finishes the current decoding process and returns the decoded item.

fn requiring_bytes(&self) -> ByteCount

Returns the lower bound of the number of bytes needed to decode the next item.

fn is_idle(&self) -> bool

Returns true if there are no items to be decoded by the decoder at the next invocation of decode method, otherwise false.