2021年9月9日
Effective C++ 笔记 —— Item 28: Avoid returning "handles" to object internals.
摘要： Suppose you’re working on an application involving rectangles. Each rectangle can be represented by its upper left corner and its lower right corner. 阅读全文
posted @ 2021-09-09 19:57 MyCPlusPlus 阅读(85) 评论(0) 推荐(0)
Effective C++ 笔记 —— Item 27: Minimize casting.
摘要： Let’s begin with a review of casting syntax, because there are usually three different ways to write the same cast. C-style casts look like this: (T) 阅读全文
posted @ 2021-09-09 18:00 MyCPlusPlus 阅读(76) 评论(0) 推荐(0)
Effective C++ 笔记 —— Item 26: Postpone variable definitions as long as possible.
摘要： This suggests the real meaning of "as long as possible" in this Item’s title. Not only should you postpone a variable's definition until right before 阅读全文
posted @ 2021-09-09 16:58 MyCPlusPlus 阅读(105) 评论(0) 推荐(0)
Effective C++ 笔记 —— Item 25: Consider support for a non-throwing swap.
摘要： To swap the values of two objects is to give each the other's value. By default, swapping is accomplished via the standard swap algorithm. Its typical 阅读全文
posted @ 2021-09-09 16:13 MyCPlusPlus 阅读(89) 评论(0) 推荐(0)