15270821319 4e5c5d37f9 初步设计数据库，注册登录		6 月之前
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example	4e5c5d37f9 初步设计数据库，注册登录	6 月之前
test	4e5c5d37f9 初步设计数据库，注册登录	6 月之前
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LICENSE	4e5c5d37f9 初步设计数据库，注册登录	6 月之前
README.markdown	4e5c5d37f9 初步设计数据库，注册登录	6 月之前
index.js	4e5c5d37f9 初步设计数据库，注册登录	6 月之前
package.json	4e5c5d37f9 初步设计数据库，注册登录	6 月之前

concat-map

Concatenative mapdashery.

example

var concatMap = require('concat-map');
var xs = [ 1, 2, 3, 4, 5, 6 ];
var ys = concatMap(xs, function (x) {
    return x % 2 ? [ x - 0.1, x, x + 0.1 ] : [];
});
console.dir(ys);

[ 0.9, 1, 1.1, 2.9, 3, 3.1, 4.9, 5, 5.1 ]

methods

var concatMap = require('concat-map')

concatMap(xs, fn)

Return an array of concatenated elements by calling fn(x, i) for each element x and each index i in the array xs.

When fn(x, i) returns an array, its result will be concatenated with the result array. If fn(x, i) returns anything else, that value will be pushed onto the end of the result array.

install

With npm do:

npm install concat-map

license

MIT

notes

This module was written while sitting high above the ground in a tree.

README.markdown