Type of [TypeScript
{[key: string]: number}
async (x:string):number=>{...}
const x:T = y const x = y as T
This page is auto-translated from /nishio/TypeScriptの型 using DeepL. If you looks something interesting but the auto-translated English is not good enough to understand it, feel free to let me know at @nishio_en. I’m very happy to spread my thought to non-Japanese readers.