@asdfgertyjhnpm/cumque-perferendis-nihil

Set a function’s length.

Arguments:

• fn: the function
• length: the new length. Must be an integer between 0 and 2**32.
• loose: Optional. If true, and the length fails to be set, do not throw. Default false.

Returns fn.

Usage

1var setFunctionLength = require('@asdfgertyjhnpm/cumque-perferendis-nihil');
2var assert = require('assert');
3
4function zero() {}
5function one(_) {}
6function two(_, __) {}
7
8assert.equal(zero.length, 0);
9assert.equal(one.length, 1);
10assert.equal(two.length, 2);
11
12assert.equal(setFunctionLength(zero, 10), zero);
13assert.equal(setFunctionLength(one, 11), one);
14assert.equal(setFunctionLength(two, 12), two);
15
16assert.equal(zero.length, 10);
17assert.equal(one.length, 11);
18assert.equal(two.length, 12);