once | /index.ts | once@0.3.0

Create a function that calls and cache a function once

Latest

function once

import { once } from "https://deno.land/x/once@0.3.0/index.ts";

once<Return>(fn: () => Return): () => Return

Create a function that calls and cache a function once

Examples

import once from 'https://ksxgithub.github.io/deno-once/index.js' const ran = once(Math.random) console.log(ran() === ran()) // => true

Return

fn: () => Return

Function to be invoked once

Function that returns result of first-time execution of fn