Struct AlphabetShape 

#[non_exhaustive]
pub struct AlphabetShape {
    pub code_lengths: Vec<u8>,
    pub declared_count: usize,
}

Shape of one alphabet declared by a dynamic-Huffman block.

Fields (Non-exhaustive)

Non-exhaustive structs could have additional fields added in future. Therefore, non-exhaustive structs cannot be constructed in external crates using the traditional Struct { .. } syntax; cannot be matched against without a wildcard ..; and struct update syntax will not work.

code_lengths: Vec<u8>

Code length for every symbol in alphabet order, including zero lengths.

declared_count: usize

Number of code lengths physically declared by the header.

Implementations

impl AlphabetShape

pub fn used_count(&self) -> usize

Returns the number of symbols with non-zero code lengths.

pub fn length_range(&self) -> Option<(u8, u8)>

Returns the shortest and longest non-zero code lengths.

pub fn counts_by_length(&self) -> Vec<(u8, usize)>

Returns symbol counts grouped by code length, shortest first.

Trait Implementations

impl Clone for AlphabetShape

fn clone(&self) -> AlphabetShape

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for AlphabetShape

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

Formats the value using the given formatter.

impl Default for AlphabetShape

fn default() -> AlphabetShape

Returns the “default value” for a type.

impl Eq for AlphabetShape

impl PartialEq for AlphabetShape

fn eq(&self, other: &AlphabetShape) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for AlphabetShape