Struct CsvPartialCache

pub struct CsvPartialCache<T> {
    pub path: PathBuf,
    pub items: Box<[T]>,
}

An index that stores data as a boxed slice sorted by ID.

Fields

path: PathBuf

The path to the CSV file.

items: Box<[T]>

The items in the cache.

Implementations

impl<T> CsvPartialCache<T>

where T: FromLineOffset,

pub fn new(path: impl Into<PathBuf>) -> Result<Self>

Creates a new CsvPartialCache from a path.

pub fn find<B, F>(&self, b: &B, f: F) -> Option<&T>

where F: FnMut(&T) -> B, B: Ord,

Finds an item in the cache by a key.

pub async fn full_record<D: DeserializeOwned>(&self, row: &T) -> Result<D>

Returns the full record by its ID, deserialized into D.

impl<T> CsvPartialCache<T>

where T: FromLineOffset + DeserializeOwned + Serialize,

pub fn from_cache( csv_path: impl Into<PathBuf>, cache_path: impl AsRef<Path>, ) -> Result<Self>

Creates an index using an intermediate JSON file for faster lookups.

Trait Implementations

impl<T: Debug> Debug for CsvPartialCache<T>

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

Formats the value using the given formatter.