Struct NoCache 

pub struct NoCache;

A cache that stores nothing; used by the backward-compatible materialize_node wrapper and the use_cache = false cold court.

Trait Implementations

impl Clone for NoCache

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for NoCache

impl Debug for NoCache

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

Formats the value using the given formatter.

impl Default for NoCache

fn default() -> Self

Returns the “default value” for a type.

impl OutputCache for NoCache

fn get(&self, _id: &NodeId) -> Result<Option<Vec<u8>>>

Fetch a cached node output, or None on a miss. A get error is treated as a miss by the caller (the cache is disposable, never authority).

fn put(&mut self, _id: &NodeId, _bytes: &[u8]) -> Result<()>

Store a node output. Best-effort: a put error does not fail the materialization.

fn note(&mut self, _note: CacheNote<'_>)

Phase 15.6. Advisory, best-effort reuse/store event, reported for every cache hit and store. The default is a no-op, so NoCache and DerivedCache are byte-identical to a build without this method; it is never on the exactness path and can never change an output.