2022年3月15日
Effective C++ 笔记 —— Item 53: Pay attention to compiler warnings.
摘要： Many programmers routinely ignore compiler warnings. After all, if the problem were serious, it would be an error, right? This thinking may be relativ 阅读全文
posted @ 2022-03-15 19:58 MyCPlusPlus 阅读(44) 评论(0) 推荐(0)
Effective C++ 笔记 —— Item 52: Write placement delete if you write placement new.
摘要： When you write a new expression such as this: Widget *pw = new Widget; two functions are called: one to operator new to allocate memory, a second to W 阅读全文
posted @ 2022-03-15 19:52 MyCPlusPlus 阅读(49) 评论(0) 推荐(0)
Effective C++ 笔记 —— Item 51: Adhere to convention when writing new and delete.
摘要： The return value part of operator new is easy. If you can supply the requested memory, you return a pointer to it. If you can't, you follow the rule d 阅读全文
posted @ 2022-03-15 18:28 MyCPlusPlus 阅读(51) 评论(0) 推荐(0)