Struct LinkPool 

pub struct LinkPool { /* private fields */ }

Pool of hyperlinks with reference counting.

Implementations

impl LinkPool

pub fn new() -> Self

Create a new empty link pool.

pub fn alloc(&mut self, url: &str) -> u32

Allocate a link ID for the given URL.

Returns a non-zero link ID (0 means no link).

pub fn get(&self, id: u32) -> Option<&str>

Get the URL for a link ID.

pub fn incref(&mut self, id: u32)

Increment the reference count for a link ID.

pub fn decref(&mut self, id: u32)

Decrement the reference count and free if it reaches zero.

pub fn clear(&mut self)

Clear all links.

pub fn len(&self) -> usize

Number of allocated slots (including freed slots).

pub fn is_empty(&self) -> bool

Check if pool is empty.

Trait Implementations

impl Clone for LinkPool

fn clone(&self) -> LinkPool

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for LinkPool

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

Formats the value using the given formatter.

impl Default for LinkPool

fn default() -> LinkPool

Returns the “default value” for a type.