Deno Once
Create a function that calls and cache a function once
Usage
import once from 'https://ksxgithub.github.io/deno-once/index.ts'
const ran = once(Math.random)
console.log(ran() === ran()) // => true
File Extension
*.ts
for Deno (e.g. https://ksxgithub.github.io/deno-once/index.ts)*.js
for browser (e.g. https://ksxgithub.github.io/deno-once/index.js)