linq.ts：TypeScript的:cyclone:LINQ

LinQ for TypeScript 安装 $ npm i linqts 用法 import { List } from 'linqts' ; const arr = new List < number> ( [ 1 , 2 , 3 , 4 , 5 ] ) . Where ( x => x > 3 ) . Select ( y => y * 2 ) . ToArray ( ) ; // > [8, 10] const query = people . Join ( pets , person => person , pet => pet . Owner , ( pe