This document summarizes a talk given about Flowtype, a static type checker for JavaScript. The talk discussed how Flowtype allows for strong type inference in React.js projects, checks propTypes statically, and is fast. While Flowtype is not a language itself and just a type checker, its type annotations use a colon instead of TypeScript's angle brackets. The speaker was eager for Flowtype's cont
![Our wish to Flowtype](https://cdn-ak-scissors.b.st-hatena.com/image/square/857134536859a5158c494ecf3d9d73555eb778a8/height=288;version=1;width=512/https%3A%2F%2Fcdn.slidesharecdn.com%2Fss_thumbnails%2Four-wish-to-flowtype-150908121733-lva1-app6892-thumbnail.jpg%3Fwidth%3D640%26height%3D640%26fit%3Dbounds)