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Mastering JavaScript Functional Programming, published by Packt

License: MIT License

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mastering-javascript-functional-programming's Issues

Chapter 7, question 7-1 confusion

Hello, I went over the 7th chapter and there is a question that made me a little confused.

7.1. Sum as you will: The following exercise will help you understand some of
the concepts we dealt with in this chapter, even if you solve it without using
any of the functions we looked at. Write a sumMany() function that lets you
sum an indeterminate quantity of numbers, in the following fashion. Note that when
the function is called with no arguments, the sum is returned.

let result = sumMany((9)(2)(3)(1)(4)(3)());

The number 9 is not a function, so the error that is immediately being triggered is:

console.log((9)());
               ^

TypeError: 9 is not a function

Is there a typo by any chance? I trying different ways to avoid this error, but not sure if I am doing anything wrong.

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