rust

use tokio::time::{sleep, Duration};

#[tokio::main]
async fn main() {
    let fast = sleep(Duration::from_millis(50));
    let slow = sleep(Duration::from_millis(200));

use std::sync::Arc;
use std::time::{Duration, Instant};
use tokio::sync::Mutex;
use tokio::time::sleep;

#[derive(Debug)]

use clap::{Args, Parser, Subcommand, ValueEnum};

#[derive(Parser, Debug)]
#[command(name = "tasks", version, about = "A tiny task manager")]
pub struct Cli {
    #[arg(short, long, global = true)]

#[derive(Debug, Clone, PartialEq)]
pub enum Line {
    Context(String),
    Remove(String),
    Add(String),
}

use std::path::{Component, Path, PathBuf};

#[derive(Debug)]
pub enum ResolveError {
    Traversal,
    NotFound,

use std::collections::HashSet;
use std::hash::Hash;

pub struct DedupByKey<I, K, F> {
    inner: I,
    key_fn: F,

#[derive(Debug, Clone, PartialEq, Eq)]
pub struct Currency {
    pub code: &'static str,
    pub symbol: &'static str,
    pub exponent: u32,
}

use async_trait::async_trait;
use serde::Serialize;

#[derive(Clone, Copy, PartialEq, Eq, Serialize)]
#[serde(rename_all = "lowercase")]
pub enum Status {

use criterion::{black_box, criterion_group, criterion_main, Criterion};

fn fibonacci(n: u64) -> u64 {
    match n {
        0 => 1,
        1 => 1,

use std::fmt::Display;

fn print_it<T: Display>(value: T) {
    println!("Value: {}", value);
}

use async_trait::async_trait;
use std::io;

#[async_trait]
pub trait ConnectionFactory: Send + Sync + 'static {
    type Connection: Send + 'static;

use reqwest;
use serde::Deserialize;

#[derive(Deserialize, Debug)]
struct Post {
    id: u32,