Prefer vec over into when converting sequences to vectors

Author: Bozhidar Batsov

README.md

@@ -420,6 +420,18 @@ pairwise constructs as found in e.g. `let` and `cond`.
   (recur (rest s))))
  ```
 
+* <a name="to-vector"></a>
+ Prefer `vec` over `into` when you need to convert a sequence into a vector.
+<sup>[[link](#to-vector)]</sup>
+
+ ```Clojure
+ ;; good
+ (vec some-seq)
+
+ ;; bad
+ (into [] some-seq)
+ ```
+
 * <a name="when-instead-of-single-branch-if"></a>
  Use `when` instead of `(if ... (do ...)`.
 <sup>[[link](#when-instead-of-single-branch-if)]</sup>