C++ Pitfalls 之 reference to an object in a dynamically allocated containter

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Extraction from the C++ Programming Language 4th. ed., Bjarne Stroustrup

31.3.3 Size and Capacity

The size is the number of elements in the container; the capacity is the number of elements that a container can hold before allocating more memory.

When changing the size or the capacity, the elements may be moved to new locations. That implies that iterators (and pointers and references) to elements may become invalid (i.e., point to the old element locations).

posted @ 2016-08-29 22:25 Pat 阅读(191) 评论(0) 编辑收藏举报

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Pat

「以解决问题为乐」

真的喜欢么？真的喜欢就去做吧。

Lost Boy Calling 。。。。

... Many of these issues are best dealt with at the algorithmic level, rather than by "tweaking" the code.

This is an obscurity that catches the unwary.

原来我什么都不懂。

C++ Pitfalls 之 reference to an object in a dynamically allocated containter

公告

Pat

「以解决问题为乐」 真的喜欢么？真的喜欢就去做吧。 Lost Boy Calling 。。。。 ... Many of these issues are best dealt with at the algorithmic level, rather than by "tweaking" the code. This is an obscurity that catches the unwary. 原来我什么都不懂。

C++ Pitfalls 之 reference to an object in a dynamically allocated containter

公告

「以解决问题为乐」

真的喜欢么？真的喜欢就去做吧。

Lost Boy Calling 。。。。

... Many of these issues are best dealt with at the algorithmic level, rather than by "tweaking" the code.

This is an obscurity that catches the unwary.

原来我什么都不懂。