目录开篇语介绍实现原理构造函数插入函数获取函数入队函数出队函数应用场景适用场景实际应用场景总结开篇语
I\'m trying to write a set of filtering functions that can be chained together to progressively filter a data set. What\'s tricky about this is that I want to be able to define the filters in a differ