placement-new
C++, is it possible to call a constructor directly, without new?
Can I call constructor explicitly, without using new, if I already have a memory for object? class Object1{[详细]
2022-12-24 12:25 分类:问答Using new (this) to reuse constructors
This came up recently in a class for which I am a teaching assistant. We were teaching the students how to do copy constructors in c++, and the students who were originally taught java asked if you ca[详细]
2022-12-23 15:05 分类:问答Magic in placement new?
I\'m playing with dynamic memory allocation \"by hand\" and I wanted to see how placement new is implemented by开发者_运维百科 guys from MS but when debugging I \"stepped into\" it moved me to code:[详细]
2022-12-11 04:36 分类:问答How do I allocate variably-sized structures contiguously in memory?
I\'m using C++, and I have the following structures: struct ArrayOfThese { int a; int b; }; struct DataPoint {[详细]
2022-12-09 06:02 分类:问答