cppweeklynews/posts/176

[giscus[bot]]

cppweeklynews/posts/176

每周更新c++相关信息

https://wanghenshui.github.io/cppweeklynews/posts/176.html

[wanghenshui]

对齐和隐式创建引发的问题

手动加pading也能解决这个问题。当然那样也可以不用pack1

另外这种行为是UB

ref

• https://stackoverflow.com/questions/51126257/what-does-the-standard-say-about-unaligned-memory-access
• https://eel.is/c++draft/basic.memobj