Struct FileCache 

pub struct FileCache { /* private fields */ }

File-backed key/value store. One file per cached record.

Implementations

impl FileCache

pub fn open(dir: PathBuf) -> Option<Self>

Open or create the cache at dir. Returns None (cache disabled) if the directory could not be created.

pub fn key(source: &[u8], path: &Path, cfg_fingerprint: &[u8]) -> String

Compute a hex key for a cache entry. Inputs:

• dmc version (changes invalidate every entry)
• file source bytes
• file path (so two identical-content files at different paths don’t collide)
• opaque config fingerprint (caller-controlled)

pub fn get(&self, key: &str) -> Option<Value>

Load the record for key, returning None on miss or read error.

pub fn put(&self, key: &str, value: &Value)

Write value under key. Errors are silently ignored; a cache failure must never break the build.

Trait Implementations

impl Clone for FileCache

fn clone(&self) -> FileCache

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FileCache

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

Formats the value using the given formatter.