rj "data.json" users => print "hello, {$}!"

----

let fs = require("fs")
let {users} = JSON.parse(fs.readFileSync("data.json","utf-8"))
for(let user of users) console.log(`hello, ${user}`)

----------------------------------

serve 3000
  * "get" "/" { req res | res send "hello" }

----

const express = require('express')
const app = express()

app.get('/', function (req, res) {
  res.send('Hello World')
})

app.listen(3000)

--------------------------------------
- r rnd 100
=>
  read
  > r ? print "слишком большое число"
  < r ? print "слишком маленькой число"
  == r ? print "браво"; exit

----

use rand::Rng;
use std::cmp::Ordering;
use std::io;

fn main() {
    println!("Guess the number!");

    let secret_number = rand::thread_rng().gen_range(1..=100);

    loop {
        println!("Please input your guess.");

        let mut guess = String::new();

        io::stdin()
            .read_line(&mut guess)
            .expect("Failed to read line");

        let guess: u32 = match guess.trim().parse() {
            Ok(num) => num,
            Err(_) => continue,
        };

        println!("You guessed: {guess}");

        match guess.cmp(&secret_number) {
            Ordering::Less => println!("Too small!"),
            Ordering::Greater => println!("Too big!"),
            Ordering::Equal => {
                println!("You win!");
                break;
            }
        }
    }
}