Struct LayoutCache 

pub struct LayoutCache { /* private fields */ }

Cache for layout computations.

Implementations

impl LayoutCache

pub fn new() -> Self

Create a new layout cache.

pub fn set(&mut self, node_id: NodeId, layout: LayoutRect)

Store layout for a node.

pub fn get(&self, node_id: NodeId) -> Option<&LayoutRect>

Get layout for a node.

pub fn contains(&self, node_id: NodeId) -> bool

Check if a node has cached layout.

pub fn clear(&mut self)

Clear all cached layouts.

pub fn len(&self) -> usize

Get the number of cached layouts.

pub fn is_empty(&self) -> bool

Check if cache is empty.

Trait Implementations

impl Clone for LayoutCache

fn clone(&self) -> LayoutCache

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for LayoutCache

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

Formats the value using the given formatter.

impl Default for LayoutCache

fn default() -> LayoutCache

Returns the “default value” for a type.