Re: Enum plus std::vector questions
"David Wilkinson" <no-reply@effisols.com> ???g???l???s?D:%23x17lRuxHHA.4476@TK2MSFTNGP06.phx.gbl...
Jack wrote:
That was my fault. Now adding new information
Cannot convert parameter 1 from 'FRUIT *' to 'const FRUIT &'.....
typedef struct {
std::string fruitname;
....
} FRUIT
typedef FRUIT* PFRUIT;
class ...
{
...
std::vector<FRUIT> fruitarr;
};
caller:
pfruit = addfruit(&pfruit);
Jack:
When you get an error like
Cannot convert parameter 1 from 'FRUIT *' to 'const FRUIT &'.....
what do you think it means? Could you have passed a FRUIT* when a const
FRUIT& was expected? In fact, you did.
The error happened when the caller passed pfruit to the callee..
pfruit is type FRUIT*
If I modify this statement
pfruit = addfruit (&fruit2); where &fruit2 is by value .
How do I change it to passing by reference since I don't know how to cast
between
FRUIT* and const FRUIT& ?
Thanks
Jack
It seems you are confused about references and pointers in C++. I would
recommend the reading of a good introductory book on C++. Such a book will
also teach you about std::vector.
[Another notation issue: a leading p is normally used to indicate a
pointer. Your pfruit appears to be a FRUIT, not a FRUIT*.]
--
David Wilkinson
Visual C++ MVP
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