Struct Dictionary 

pub struct Dictionary { /* private fields */ }

Implementations

impl Dictionary

pub const fn new(max_entries: usize) -> Self

Create an empty dictionary holding at most max_entries phrases A capacity of 0 is allowed but every add then fails with ZipError::DictionaryFull

pub fn add(&mut self, phrase: &[u8]) -> Result<u32, ZipError>

Insert phrase (or return the index of an identical existing phrase) Evicts the oldest phrase when the dictionary is at capacity

Errors

ZipError::DictionaryFull when the capacity is 0, or when the arena would exceed the u32 offset range (4 GiB)

pub fn lookup(&self, idx: u32) -> Option<&[u8]>

pub const fn len(&self) -> usize

pub const fn is_empty(&self) -> bool

Trait Implementations

impl Clone for Dictionary

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Dictionary

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

Formats the value using the given formatter.