1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
| var createWrap = require('./_createWrap');
|
| /** Used to compose bitmasks for function metadata. */
| var WRAP_ARY_FLAG = 128;
|
| /**
| * Creates a function that invokes `func`, with up to `n` arguments,
| * ignoring any additional arguments.
| *
| * @static
| * @memberOf _
| * @since 3.0.0
| * @category Function
| * @param {Function} func The function to cap arguments for.
| * @param {number} [n=func.length] The arity cap.
| * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
| * @returns {Function} Returns the new capped function.
| * @example
| *
| * _.map(['6', '8', '10'], _.ary(parseInt, 1));
| * // => [6, 8, 10]
| */
| function ary(func, n, guard) {
| n = guard ? undefined : n;
| n = (func && n == null) ? func.length : n;
| return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);
| }
|
| module.exports = ary;
|
|