rust

use serde::Deserialize;

#[derive(Debug, Deserialize)]
#[serde(tag = "type", content = "data", rename_all = "snake_case")]
pub enum WebhookEvent {
    #[serde(rename = "payment.succeeded")]

use axum::{
    extract::{FromRequestParts, State},
    http::{request::Parts, StatusCode},
    response::{IntoResponse, Response},
    Json,
};

use once_cell::sync::Lazy;
use regex::Regex;
use std::str::FromStr;

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

use crate::hashing::double_hash;

pub struct BloomFilter {
    bits: Vec<u64>,
    m: usize, // number of bits
    k: u32,   // number of hash probes

#[derive(Debug, Clone, PartialEq, Eq)]
pub struct EmailAddress(String);

impl EmailAddress {
    pub fn parse(raw: &str) -> Result<Self, String> {
        if raw.contains('@') && !raw.starts_with('@') {

#[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 crate::paginator::Paginator;

#[derive(Clone)]
pub struct Row {
    pub cells: Vec<String>,
}

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) {

use dashmap::DashMap;
use std::time::Instant;

pub struct TokenBucket {
    tokens: f64,
    last_refill: Instant,