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Introduction
Elm is a functional language that compiles to JavaScript. It helps you make websites and web apps. It has a strong emphasis on simplicity and quality tooling. This guide will: ... -
Overview
Overview Identifiers Keywords Data types Boolean Unsigned integers Signed integers Floating point values Simple collections Complex collections ... -
第16章 设计模式
第16章 设计模式 第16章 设计模式 本章要向大家介绍重要但却并不是那么传统的“模式”（Pattern）程序设计方法。 在向面向对象程序设计的演化过程中，或许最重要的一步就是“设计模式”（Design Pattern）的问世。它在由Gamma，Helm和Johnson编著的《设计模式》一书中被定义成一个“里程碑”（该书由Addison-Wesley... -
12 Why Some Friendships Naturally Fade
370 2025-05-28 《The Let Them Theory: A Life-Changing Tool That Millions of People Can’t Stop Talking About》[CHAPTER 12] I Was Horrible “I’ve Let Them. But Now I Have No Friends.” Let Them Not Text Back [CHAPTER 12] [Why Some Friendships Naturally Fade] Here’s what happened. One o... -
Types
Types One of Elm’s major benefits is that users do not see runtime errors in practice . This is possible because the Elm compiler can analyze your source code very quickly to ... -
Labeled Checkboxes
Labeled Checkboxes Follow along in the online editor . Your app will probably have some options people can mess with. If something happens, should you send them an emai... -
Random
Random Clone the code or follow along in the online editor . We are about to make an app that “rolls dice”, producing a random number between 1 and 6. When I write... -
Result
Result A Result is useful when you have logic that may “fail”. For example, parsing a String into an Int may fail. What if the string is filled with the letter B? In cases ... -
Maybe
Maybe It is best to just start with the definition of Maybe . It is a union type just like in all the examples here . It is defined like this: 复制代码> type Maybe a = ... -
Web Sockets
Web Sockets Clone the code or follow along in the online editor . We are going to make a simple chat app. There will be a text field so you can type things in and a re...
