flying-hero
96f6318101
新增: - backend/venv/ - Python 虚拟环境 - backend/start.sh - 启动脚本（使用虚拟环境） - backend/requirements.txt - 依赖列表 - .gitignore - 忽略虚拟环境和缓存文件 说明: - 每个项目使用独立虚拟环境 - 避免依赖冲突 - 启动脚本自动创建和激活虚拟环境
1.1 KiB
1.1 KiB
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.