Implement Currying

Create a function sum that implements currying. Currying is a transformation of functions that translates a function from being callable as f(x, y, z) into callable as f(x)(y)(z). Currying doesn’t call a function. It just transforms it.

In this question, Implement a sum function that can take n number of parameters and calls and outputs the resulting sum of all the numbers that are passed into it.

Example

// sum implementation here
const sum = () => {
    ...
    ...
}
console.log(sum(1)(2)(5)());

// Output: 8

Here, the output will be 8 because the sum function takes in 1, 2, and 5 outputting the sum of all the three numbers as 8.