Hello again!
A third question on D:
Is there an argument type I can provide for a method signature
which would require a user to provide classinfo or a class name for
a class of a particular type?
That is, suppose I have a Class called Fruit.
Is there some constraint I can impose, either
Nevermind - sorry for the clutter.
For those who are apparently as dense as I am, this can be roughly
accomplished via Template specialization:
class Fruit {}
class Apple : Fruit {}
class Celery {}
void mustBeFruit(T : Fruit)() {
writeln(T.classinfo.name);
}
void main() {
.classinfo is for getting information about an object at __runtime__.
For the example given here, you don't even need templates:
void mustBeFruit(Fruit fruit)
{
writeln(fruit.classinfo.name);
}
Since Apple, Banana, and Orange inherit from Fruit, they __are__ Fruit and
can be passed to
Ah; I should have clarified - I didn't want an *instance* of the
class, just to be able to restrict the signature or use of a method to
provide class info specific to a type of class.
