Factorial in Coffeescript

Published on 28 April 2022 (Updated: 25 September 2022)

Factorial in Coffeescript

Welcome to the Factorial in Coffeescript page! Here, you'll find the source code for this program as well as a description of how the program works.

Current Solution

factorial = (n) ->
    return usage() if n < 0
    return 1 if n == "0"
    [1..n].reduce (x, y) -> x * y
    
usage = () ->
    "Usage: please input a non-negative integer"
    
main = () ->
    args = process.argv
    return factorial(args[2]) if args.length == 3 and isFinite(args[2]) and args[2] != ""
    usage()

console.log main()

Factorial in Coffeescript was written by:

If you see anything you'd like to change or update, please consider contributing.

Note: The solution shown above is the current solution in the Sample Programs repository as of Oct 15 2020 22:14:45. The solution was first committed on Oct 11 2019 21:51:03. As a result, documentation below may be outdated.

How to Implement the Solution

No 'How to Implement the Solution' section available. Please consider contributing.

How to Run the Solution

No 'How to Run the Solution' section available. Please consider contributing.