本文介绍了delete vs delete []的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
当我被教C ++时,这是很久以前。我被告知不要使用 delete
但 delete []
code>在单个对象上将等效于 delete
。
When I was taught C++, this was a long time ago. I was told to never use delete
but delete[]
as performing delete[]
on a single object will be equivalent to delete
. Knowing not to trust teachers too much I wonder, Is this true?
是否有理由调用 delete
而不是 delete []
?
Is there ever a reason to call delete
instead of delete[]
?
我在SO扫描了可能相关的问题,任何明确的答案。
I've scanned the possibly related questions in SO, but haven't found any clear answer.
推荐答案
从标准(5.3.5 / 2):
From the standard (5.3.5/2) :
在第二个选项(删除
数组)中,
delete的操作数将是由前一个数组
new-expression产生的指针值
。 如果没有,
行为未定义。
等效!
这篇关于delete vs delete []的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!