partial.js - partially evaluate a function

partial.js

// partial.js - partially evaluate a function
// taken from https://egghead.io/lessons/react-pass-data-to-event-handlers-with-partial-function-application
// usage:
// const addTwo(a, b) => a + b;
// const partialAddTwo = partial(addTwo, 10);
// const sum = partialAddTwo(5);
// console.log(sum);
// 15
export const partial(fn, ...args) => fn.bind(null, ...args);