rust

use std::env;

fn main() {
    let port: u16 = env::var("PORT")
        .unwrap_or_else(|_| "8080".to_string())
        .parse()

use std::collections::VecDeque;

fn main() {
    let mut queue = VecDeque::new();
    queue.push_back(1);
    queue.push_back(2);

use axum::{routing::get, Router, Json};
use serde::Serialize;

#[derive(Serialize)]
struct Response {
    message: String,

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 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 reqwest;
use serde::Deserialize;

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

use thiserror::Error;

#[derive(Error, Debug)]
pub enum ConfigError {
    #[error("file not found: {0}")]
    NotFound(String),

use std::path::Path;

fn process_file(path: impl AsRef<Path>) {
    let path = path.as_ref();
    println!("Processing: {}", path.display());
}

use wasm_bindgen::prelude::*;

#[wasm_bindgen]
pub fn greet(name: &str) -> String {
    format!("Hello, {}!", name)
}

extern "C" {
    fn abs(input: i32) -> i32;
}

pub fn safe_abs(input: i32) -> i32 {
    unsafe { abs(input) }

use axum::{Router, routing::get};
use tower::ServiceBuilder;
use tower_http::{trace::TraceLayer, timeout::TimeoutLayer};
use std::time::Duration;

async fn handler() -> &'static str {