Clojure apply vs map

Question

I have a sequence (foundApps) returned from a function and I want to map a function to all it\'s elements. For some reason, apply and count work for th

Answer 1

I have a simple explanation which this post is lacking. Let's imagine an abstract function F and a vector. So,

(apply F [1 2 3 4 5])

translates to

(F 1 2 3 4 5)

which means that F has to be at best case variadic.

While

(map F [1 2 3 4 5])

translates to

[(F 1) (F 2) (F 3) (F 4) (F 5)]

which means that F has to be single-variable, or at least behave this way.

There are some nuances about types, since map actually returns a lazy sequence instead of vector. But for the sake of simplicity, I hope it's pardonable.