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This page is not maintained anymore, please update your bookmarks.
What are we trying to observe? Raw object data.
// Objects
var obj = { id: 2 };
obj.id = 3; // obj == { id: 3 }
// Arrays
var arr = ['foo', 'bar'];
arr.splice(1, 1, 'baz'); // arr == ['foo', 'baz'];
(by @andrestaltz)
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
const CLIEngine = require("eslint").CLIEngine; | |
function getIdentifiers(code) { | |
if (!code) { | |
return []; | |
} | |
var cli = new CLIEngine({ | |
envs: ['browser', 'node'], | |
useEslintrc: false, |
interface BtreeVisitor<T, TT> { | |
leaf: (value: T) => TT; | |
branch: (left: TT, right: TT) => TT; | |
} | |
interface Btree<T> { | |
<TT>(visitor: BtreeVisitor<T, TT>): TT; | |
} | |
const leaf = <T>(value: T): Btree<T> => { |