codesnips

hashmap

rust 
use std::collections::HashMap;
use std::hash::Hash;
use std::sync::{Arc, RwLock};

pub struct Memoizer<K, V> {
    store: RwLock<HashMap<K, Arc<V>>>,

Thread-Safe Memoization in Rust with RwLock and OnceCell Sharding

rust concurrency memoization
by codesnips 3 tabs
rust 
use std::collections::HashMap;
use std::hash::Hash;

const NIL: usize = usize::MAX;

struct Node<K, V> {

Build an O(1) LRU Cache in Rust With a HashMap and Intrusive Doubly Linked List

rust lru cache
by codesnips 3 tabs
rust 
use once_cell::sync::Lazy;
use regex::Regex;
use std::str::FromStr;

#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)]
pub enum Severity {

Grouping Log Lines by Severity and Emitting a Summary Report in Rust

logging parsing cli
by codesnips 3 tabs