Travis build: 1385

README.md

@@ -77,6 +77,7 @@ average(1, 2, 3);
 <details>
 <summary>View contents</summary>
 
+* [`ary`](#ary)
 * [`call`](#call)
 * [`collectInto`](#collectinto)
 * [`flip`](#flip)
@@ -414,6 +415,29 @@ average(1, 2, 3);
 ---
  ## 🔌 Adapter
 
+### ary
+
+Creates a function that accepts up to `n` arguments, ignoring any additional arguments.
+
+Call the provided function, `fn`, with up to `n` arguments, using `Array.slice(0,n)` and the spread operator (`...`).
+
+```js
+const ary = (fn, n) => (...args) => fn(...args.slice(0, n));
+```
+
+<details>
+<summary>Examples</summary>
+
+```js
+const firstTwoMax = ary(Math.max, 2);
+[[2, 6, 'a'], [8, 4, 6], [10]].map(x => firstTwoMax(...x)); // [6, 8, 10]
+```
+
+</details>
+
+<br>[⬆ Back to top](#table-of-contents)
+
+
 ### call
 
 Given a key and a set of arguments, call them when given a context. Primarily useful in composition.