Clojure.spec is useful for a lot of things, but unless you are adding spec/assert to nearly every destructuring or "get" or "get-in" then it's still easy get ni

Clojure.spec is useful for a lot of things, but unless you are adding spec/assert to nearly every destructuring or "get" or "get-in" then it's still easy get nils running through your data transformations because you mistyped a keyword or something. Also there is not a good answer for asserting the value of a function passed to another function; the return values of functions can be spec'd but they are not included in an assert test.