error-handling

const express = require('express');
const AppError = require('./AppError');
const asyncHandler = require('./asyncHandler');
const errorMiddleware = require('./errorMiddleware');
const UserRepo = require('./UserRepo');

package config

import (
	"encoding/json"
	"fmt"
	"time"

class ImportResult
  RowError = Struct.new(:line, :messages)

  attr_reader :imported, :row_errors

  def initialize

package api

import (
	"encoding/json"
	"net/http"
)

import { z } from 'zod';

export const createUserSchema = z
  .object({
    email: z.string().email(),
    name: z.string().min(1).max(120),

use std::fmt;

#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum OrderState {
    Pending,
    Paid,

# Basic exception handling
begin
  result = 10 / 0
rescue ZeroDivisionError => e
  puts "Error: #{e.message}"
  result = nil

import { z } from 'zod';

export const signupSchema = z
  .object({
    email: z.string().min(1, 'Email is required').email('Enter a valid email'),
    username: z

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 serde::Deserialize;

#[derive(Debug, Deserialize)]
pub struct Page<T> {
    pub items: Vec<T>,
    #[serde(default)]

use std::collections::HashMap;
use std::fmt;

#[derive(Debug, Clone)]
pub struct Document {
    pub body: String,