copy)或引用(by reference)捕获(capture)已在外层作用域声明的变量。这意味着lambda捕获的变量不可以是move-only的类型。 C++14允许lambda成员用任意的被捕获表达式初始化。这既允许了capture by value-move,也允许了任意声明lambda的成员
Michael A Lechter, Esq. Technology Entrepreneurship: Value Creation, Protection, and Capture. Academic Press. 2009. ISBN 0123745020 (英语). Jessica Livingston