When should you use anonymous functions?

anonymous-functions.md

When should you use anonymous functions?

Will I use this function anywhere else?

If the answer is yes, I name/define it. If not, pass it as an anonymous function.

If you only use it once, it doesn't make sense to crowd the global namespace with it. (namespace budgeting)

https://stackoverflow.com/questions/10273185/what-are-the-benefits-to-using-anonymous-functions-instead-of-named-functions-fo