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1concat-map
2==========
3
4Concatenative mapdashery.
5
6[![browser support](http://ci.testling.com/substack/node-concat-map.png)](http://ci.testling.com/substack/node-concat-map)
7
8[![build status](https://secure.travis-ci.org/substack/node-concat-map.png)](http://travis-ci.org/substack/node-concat-map)
9
10example
11=======
12
13``` js
14var concatMap = require('concat-map');
15var xs = [ 1, 2, 3, 4, 5, 6 ];
16var ys = concatMap(xs, function (x) {
17 return x % 2 ? [ x - 0.1, x, x + 0.1 ] : [];
18});
19console.dir(ys);
20```
21
22***
23
24```
25[ 0.9, 1, 1.1, 2.9, 3, 3.1, 4.9, 5, 5.1 ]
26```
27
28methods
29=======
30
31``` js
32var concatMap = require('concat-map')
33```
34
35concatMap(xs, fn)
36-----------------
37
38Return an array of concatenated elements by calling `fn(x, i)` for each element
39`x` and each index `i` in the array `xs`.
40
41When `fn(x, i)` returns an array, its result will be concatenated with the
42result array. If `fn(x, i)` returns anything else, that value will be pushed
43onto the end of the result array.
44
45install
46=======
47
48With [npm](http://npmjs.org) do:
49
50```
51npm install concat-map
52```
53
54license
55=======
56
57MIT
58
59notes
60=====
61
62This module was written while sitting high above the ground in a tree.
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