Struct TrieNode 

pub struct TrieNode { /* private fields */ }

A node in the context trie

Implementations

impl TrieNode

pub fn new(parent: Option<NodeId>, state_from_parent: Option<StateId>) -> Self

Create a new empty trie node

pub fn add_child(&mut self, state: StateId, child_id: NodeId)

Add a child node

pub fn get_child(&self, state: StateId) -> Option<NodeId>

Get child node ID for a given state

pub fn children(&self) -> &[(StateId, NodeId)]

Get all children

pub fn set_context_data(&mut self, data: ContextNode)

Set context data for this node

pub fn context_data(&self) -> Option<&ContextNode>

Get context data if present

pub fn context_data_mut(&mut self) -> Option<&mut ContextNode>

Get mutable context data if present

pub fn parent(&self) -> Option<NodeId>

Get parent node ID

pub fn state_from_parent(&self) -> Option<StateId>

Get the state that led to this node from parent

pub fn has_context_data(&self) -> bool

Check if this node has context data

pub fn memory_usage(&self) -> usize

Get memory usage estimate for this node

pub fn reset( &mut self, parent: Option<NodeId>, state_from_parent: Option<StateId>, )

Reset the trie node for reuse in memory pool

pub fn clear(&mut self)

Clear the trie node data for memory pool return

Trait Implementations

impl Clone for TrieNode

fn clone(&self) -> TrieNode

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TrieNode

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

Formats the value using the given formatter.

impl Default for TrieNode

fn default() -> TrieNode

Returns the “default value” for a type.