Prismatic/plumbing — pull request #36 by tangrammer (2014-06-02 09:29:42+00:00)
Title: Update ?> to receive one boolean fn

This case works with all cases where we pass not null (false) fn, example ``` (-> f (?> middleware middleware) wrap-cookies) ```

```
(let [the-fn #(assoc % :b :2)]
(-> {:a :1} (?>e the-fn)))
```
=> {:a 1 :b 2}