On 1 Mar 2010, at 16:58, Germán Diago wrote:
Hello. I've been trying hard to implement the best possible properties sytem in c++ (version 0x).
For now, I'm quite satisfied with the result, but it can be improved a little.
The properties are implemented in a header called (surprisingly!) Property.hpp
Classes:
template TROProperty and TRWProperty for trivial properties, which are those which you can use very straightforward without defining setters or getters and it stores the property value inside.
templates RWProperty and ROProperty, for which you need to define a storage (if needed) and getters and setters.
FEATURES:
- You can define a getter as a function that returns *ANYTHING* and it will deduce parameters, constness and everything it needs. - You can define a setter as a function that returns void and takes one parameter. The deduction machinery will do the rest.
So, for trivial properties there is little to explain:
class Person { public: TROProperty<unsigned int> Age; Person(int age) : Age(age) {} };
int main(int argc, char * argv[]) { Person p(26); cout << p.Age << endl; }
How is this any different from:
class Person { public: unsigned int Age; Person(int age) : Age(age) {} };
int main(int argc, char * argv[]) { Person p(26); cout << p.Age << endl; }
? Chris