标签：ons res blank arch hive question hat tar flow
https://stackoverflow.com/questions/36636/what-is-a-closure
http://www.cs.tufts.edu/~nr/cs257/archive/roberto-ierusalimschy/closures-draft.pdf
标签：ons res blank arch hive question hat tar flow
原文地址：http://www.cnblogs.com/WCFGROUP/p/7591889.html
