error-handling

class Problem
  DEFAULT_TYPE = "https://api.example.com/problems/about:blank".freeze

  attr_reader :type, :title, :status, :detail, :instance, :extensions

  def initialize(status:, title:, detail: nil, type: nil, instance: nil, extensions: {})

use thiserror::Error;

#[derive(Error, Debug)]
pub enum ConfigError {
    #[error("file not found: {0}")]
    NotFound(String),

const { z } = require('zod');

const signupSchema = z
  .object({
    email: z
      .string()

export interface Todo {
  id: string;
  title: string;
  done: boolean;
  pending: boolean;
}

use std::sync::Arc;
use std::time::Duration;

use futures::stream::{FuturesUnordered, StreamExt};
use reqwest::Client;
use tokio::sync::Semaphore;

module DefensiveDeserialization
  extend ActiveSupport::Concern

  MissingRecord = Struct.new(:gid) do
    def missing?
      true

package com.example.api.error;

import com.fasterxml.jackson.annotation.JsonInclude;

import java.time.Instant;
import java.util.List;

fn divide(a: i32, b: i32) -> i32 {
    if b == 0 {
        panic!("division by zero");
    }
    a / b
}

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 chrono::NaiveDate;
use rust_decimal::Decimal;
use serde::{Deserialize, Deserializer};

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

use serde::{Deserialize, Deserializer};
use time::OffsetDateTime;

#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct UserProfile {

export interface Todo {
  id: string;
  title: string;
  done: boolean;
}