ushiboy ushiboy

Elmガイドの歩き方

現時点で日本語訳なドキュメントが見当たらないので、公式を気合いで読む。このメモは各章の要点だけ適当にメモったもの。

An Introduction to Elm

ElmはJavaScriptにコンパイルされる関数型言語。 WebサイトやWebアプリケーションを作るためのツール（Reactみたいな感じ）。シンプルさ、使いやすさ、品質の高さを重視している。

Deploy app.py and requirements.txt to Raspbian.

Login to Raspbian and set up the Python environment (You need python3-venv to use venv).

	import React from 'react';
	import { render } from 'react-dom';
	import { createStore, bindActionCreators, applyMiddleware } from 'redux';
	import { Provider, connect } from 'react-redux';
	import thunk from 'redux-thunk';

	const START = Symbol();
	const UPDATE_PROGRESS = Symbol();
	const COMPLETE = Symbol();

	bundle.js

	### https://raw.github.com/github/gitignore/c751b70cc6ec57de20f918dbf05448333ffa2191/Node.gitignore

	# Logs
	logs
	*.log
	npm-debug.log*

	# Runtime data

	{
	"presets": [
	"env"
	],
	"plugins": [
	"transform-async-to-generator"
	],
	"env": {
	"development": {
	"presets": [

	function toRecord(origin) {

	function check(lock, prop) {
	if (!lock) {
	throw new Error('Changes outside $mutate');
	} else if (prop === '$mutate') {
	throw new Error('$mutate can never be changed');
	}
	}

	/* @flow */
	import '@babel/polyfill';
	import { createStore, applyMiddleware } from 'redux';
	import ReduxThunk from 'redux-thunk';

	type AppState = {
	counter: CounterState,
	message: MessageState,
	child: ChildState
	}