236 lines
6.0 KiB
Rust
236 lines
6.0 KiB
Rust
// extern crate actix;
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extern crate actix_files;
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extern crate actix_web;
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extern crate serde;
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#[macro_use]
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extern crate serde_derive;
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#[macro_use]
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extern crate serde_json;
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#[macro_use]
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extern crate ledb;
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#[macro_use]
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extern crate ledb_derive;
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extern crate env_logger;
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extern crate ledb_types;
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#[macro_use]
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extern crate tera;
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use tera::Context;
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// extern crate futures;
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// extern crate tokio;
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use actix_web::{
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error, guard, http::header, http::Method, middleware::Logger, middleware::NormalizePath, web,
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App, Error, HttpRequest, HttpResponse, HttpServer, Responder, Result,
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};
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use std::cell::Cell;
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use rand::seq::IteratorRandom;
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use std::time::Instant;
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use std::{fs, io};
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// use tokio::spawn;
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// use futures::{Future};
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// use actix::Actor;
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// use actix::System;
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//use crate::tokio::prelude::Future;
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//use ledb_actix::{Document, Options, Storage, StorageAddrExt};
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use ledb::{Options, Storage};
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#[derive(Debug, Default, Clone, Serialize, Deserialize, Document)]
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struct BatchInfo {
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#[document(primary)]
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#[serde(default)]
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filename: String,
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#[serde(default)]
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description: String,
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#[serde(default)]
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author: String,
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#[serde(default)]
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comment: String,
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#[serde(default)]
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url: String,
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#[serde(default)]
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date: String,
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#[serde(default)]
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processed_by: String,
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#[serde(default)]
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redacted_by: String,
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#[serde(default)]
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copyright: String,
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#[serde(default)]
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theme: String,
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#[serde(default)]
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kind: String,
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#[serde(default)]
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source: String,
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#[serde(default)]
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rating: String,
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}
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#[derive(Debug, Default, Clone, Serialize, Deserialize, Document)]
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struct Question {
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#[document(primary)]
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#[serde(default)]
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num: u32,
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#[document(index)]
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id: String,
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description: String,
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answer: String,
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#[serde(default)]
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author: String,
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#[serde(default)]
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comment: String,
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#[serde(default)]
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comment1: String,
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#[serde(default)]
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tour: String,
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#[serde(default)]
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url: String,
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#[serde(default)]
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date: String,
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#[serde(default)]
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processed_by: String,
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#[serde(default)]
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redacted_by: String,
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#[serde(default)]
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copyright: String,
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#[serde(default)]
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theme: String,
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#[serde(default)]
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kind: String,
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#[serde(default)]
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source: String,
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#[serde(default)]
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rating: String,
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#[document(nested)]
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#[serde(default)]
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batch_info: BatchInfo,
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}
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struct AppState {
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storage: Storage,
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template: tera::Tera,
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}
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fn get_question(storage: &Storage, id: u32) -> Result<Option<Question>, Error> {
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if 0 == id {
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return Ok(None);
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}
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let collection = storage.collection("questions").unwrap();
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let last_id = collection.last_id().unwrap();
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if id > last_id {
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Err(Error::from(()))
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} else {
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let question = collection.get::<Question>(id);
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if question.is_err() {
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Err(Error::from(()))
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} else {
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Ok(question.unwrap())
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}
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}
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}
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fn show_question_details(template_file: &str, data: web::Data<AppState>, id: web::Path<u32>) -> Result<HttpResponse, Error> {
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let id = id.into_inner();
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let question = get_question(&data.storage, id);
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if question.is_ok() {
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let question = question.unwrap();
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if question.is_some() {
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let question = question.unwrap();
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let body = data.template.render(template_file, &question).unwrap();
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Ok(HttpResponse::Ok().content_type("text/html").body(body))
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} else {
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Ok(HttpResponse::Found()
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.header(header::LOCATION, "/q/")
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.finish())
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}
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} else {
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let context = Context::new();
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Ok(HttpResponse::with_body(
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actix_web::http::StatusCode::NOT_FOUND,
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actix_web::dev::Body::from(data.template.render("404.html", &context).unwrap()),
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))
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}
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}
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fn show_question(data: web::Data<AppState>, id: web::Path<u32>) -> Result<HttpResponse, Error> {
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show_question_details("question.html", data, id)
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}
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fn show_answer(data: web::Data<AppState>, id: web::Path<u32>) -> Result<HttpResponse, Error> {
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show_question_details("answer.html", data, id)
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}
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fn index(data: web::Data<AppState>, req: HttpRequest) -> Result<HttpResponse, Error> {
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let collection = data.storage.collection("questions").unwrap();
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let mut rng = rand::thread_rng();
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let last_id = collection.last_id().unwrap();
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let id = (1..(last_id + 1)).choose(&mut rng).unwrap();
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let url = req.url_for("question", &[format!("{}", id)])?;
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Ok(HttpResponse::Found()
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.header(header::LOCATION, url.as_str())
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.finish())
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}
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fn main() {
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std::env::set_var("RUST_LOG", "actix_web=info");
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env_logger::init();
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let options: Options = serde_json::from_value(json!({
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"read_only": true,
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"no_lock": true,
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}))
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.unwrap();
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let storage = Storage::new("db", options).unwrap();
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HttpServer::new(move || {
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let data = AppState {
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storage: storage.clone(),
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template: compile_templates!("./templates/**/*"),
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};
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App::new()
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.wrap(Logger::default())
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.data(data)
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.route("/q", web::to(index))
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.service(
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web::scope("/q")
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.service(actix_files::Files::new("/static", "./static"))
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.service(
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web::resource("/{id}")
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.name("question") // <- set resource name, then it could be used in `url_for`
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.guard(guard::Get())
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.to(show_question),
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)
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.service(
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web::resource("/{id}/a/")
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.name("answer") // <- set resource name, then it could be used in `url_for`
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.guard(guard::Get())
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.to(show_answer),
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)
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.route("/", web::to(index))
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)
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.route("/", web::to(index))
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})
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.bind("127.0.0.1:8088")
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.unwrap()
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.run()
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.unwrap();
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}
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