Struct NodeCache 

pub struct NodeCache {
    pub values: HashMap<String, u64>,
}

A simple tree cache that memoises node computations.

Fields

values: HashMap<String, u64>

Cached values by label

Implementations

impl NodeCache

pub fn new() -> Self

Create a new cache.

pub fn store(&mut self, key: &str, val: u64)

Store a value.

pub fn get(&self, key: &str) -> Option<u64>

Retrieve a value.

Trait Implementations

impl Default for NodeCache

fn default() -> Self

Returns the “default value” for a type.