rust

fn greet(name: &str) {
    println!("Hello, {}", name);
}

fn main() {
    let owned = String::from("Alice");

use sqlx::PgPool;
use std::time::Duration;
use tokio::sync::mpsc;

#[derive(Debug, Clone)]
pub struct MetricPoint {

use std::fmt;
use std::hash::{Hash, Hasher};
use std::marker::PhantomData;
use uuid::Uuid;

pub struct Id<T> {

use std::time::Duration;
use rand::Rng;

#[derive(Clone, Debug)]
pub struct BackoffPolicy {
    pub base_delay: Duration,

use color_eyre::Result;

fn might_fail() -> Result<()> {
    Err(color_eyre::eyre::eyre!("Something went wrong"))
}

use std::time::Duration;
use tokio_util::sync::CancellationToken;

pub struct Worker {
    id: usize,
    token: CancellationToken,

use serde::{Deserialize, Deserializer};

#[derive(Debug, Deserialize)]
pub struct ListFilter {
    #[serde(default)]
    pub status: Status,

#[derive(Debug, Clone)]
pub enum Outcome {
    Approve,
    Review,
    Reject(String),
}

use std::mem;

fn main() {
    let mut x = 5;
    let mut y = 10;

use std::error::Error;
use std::fmt;
use std::io;
use std::num::ParseIntError;

#[derive(Debug)]

use std::rc::Rc;
use std::cell::RefCell;

fn main() {
    let data = Rc::new(RefCell::new(vec![1, 2, 3]));

struct Logger {
    name: String,
}

impl Drop for Logger {
    fn drop(&mut self) {