The next functions that we'll look at are repeatedly
and fn
. The repeatedly
function takes a second function and returns an infinite (or n length if supplied) lazy sequence of calls to this second function. This is the first encounter with a function that can take another function. We'll also encounter functions that return other functions. Described as first-class functions, these fall out of the lambda calculus and are the central features of functional programming.
As such, we need to wrap our previous (rand 35)
call in another function. The fn
function is one of Clojure's core functions and produces an anonymous, unnamed function. We can now supply this function to repeatedly
.
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