unions
How to dynamically create a union instance in c++?
I need to have several instances of 开发者_开发问答a union as class variables, so how can I create a union instance in the heap? thank youThe same as creating any other object:[详细]
2022-12-12 23:02 分类：问答A question about union in C - store as one type and read as another - is it implementation defined?
I was reading about union in C from K&R, as far as I understood, a single variable in union can hold any one of the several types and if something is stored as one type and extracted as another th[详细]
2022-12-12 22:44 分类：问答what does union U look like in the memory?
enum Enums { k1, k2, k3, k4 }; union MYUnion { struct U{ char P; }u; struct U0 { char state; } u0; struct U1 {[详细]
2022-12-12 18:03 分类：问答Questions about vector, union, and pointers in C++
The questions I have are NOT homework questions, but I am considering using these concepts in my assignment. The context, if it helps, is like this: I need to keep track of several union instances and[详细]
2022-12-12 02:19 分类：问答Getting Union, Intersection, or Difference of Sets in C++
I have a couple questions about how to use C++ sets (std::set) Is there a way to get the union, intersection, o开发者_JAVA百科r difference of two C++ sets? (It\'s pretty easy to write my own functio[详细]
2022-12-11 05:55 分类：问答Portability concerns on C struct/union
Supposing I have the following type from an external library: union foreign_t { struct { enum enum_t an_enum;[详细]
2022-12-08 02:08 分类：问答
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