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use std::hash::{BuildHasherDefault, Hash};
use indexmap::{IndexMap, map::Entry};
use rustc_hash::FxHasher;
use crate::pathfinder::astar::Node;
type FxIndexMap<K, V> = IndexMap<K, V, BuildHasherDefault<FxHasher>>;
pub struct NodeMap<P> {
map: FxIndexMap<P, Node>,
}
impl<P: Hash + Eq> NodeMap<P> {
pub fn insert(&mut self, key: P, value: Node) {
self.map.insert(key, value);
}
pub fn get_index(&self, index: u32) -> Option<(&P, &Node)> {
self.map.get_index(index as usize)
}
pub fn entry(&mut self, key: P) -> Entry<'_, P, Node> {
self.map.entry(key)
}
}
impl<P> Default for NodeMap<P> {
fn default() -> Self {
Self {
map: Default::default(),
}
}
}
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