Struct Transcode 

pub struct Transcode<M, C, In> { /* private fields */ }

The upstream transcode_decode composite: relabel, then decode.

Closed under composition, which is what makes a tier change a change of artifact rather than a change of arithmetic (CK-04, CL-MM03).

The plan spells this Transcode<C1, C2>; the first parameter is a CodeMap rather than a second Codec, because a decode into the alphabet cannot be the input of another decode — only a relabelling can.

Implementations

impl<M, C, In> Transcode<M, C, In>

pub const fn new(map: M, inner: C) -> Self

Compose a relabelling with a decode.

Trait Implementations

impl<M: Clone, C: Clone, In: Clone> Clone for Transcode<M, C, In>

fn clone(&self) -> Transcode<M, C, In>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<E, Bd, M, C, In> Codec<E, Bd> for Transcode<M, C, In>

where E: IntegerElement, Bd: Bound, C: Codec<E, Bd>, M: CodeMap<In, C::Code>, In: Copy + Send + Sync + 'static,

const MAX_BLOCK: usize = C::MAX_BLOCK

The most alphabet elements one code can produce.

const TIER: TierId = TierId::Transcode

Which tier this is, for reports and for the kappa manifest.

const IS_FIXED_WIDTH: bool = C::IS_FIXED_WIDTH

Is decode_len always MAX_BLOCK?

type Code = In

The stored code type.

fn decode_element(&self, code: Self::Code, i: usize) -> Alphabet<E, Bd>

Decode element i of the block code names. Total for every i.

fn decode_len(&self, _code: Self::Code) -> usize

How many elements code actually produces.

fn decode_into(&self, code: Self::Code, out: &mut [Alphabet<E, Bd>]) -> usize

Decode one code, returning how many elements were written.

fn decode_seq(&self, codes: &[Self::Code], out: &mut [Alphabet<E, Bd>]) -> usize

Bulk path, returning how many elements were written in total.

impl<M: Copy, C: Copy, In: Copy> Copy for Transcode<M, C, In>

impl<M: Debug, C: Debug, In: Debug> Debug for Transcode<M, C, In>

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

Formats the value using the given formatter.