[fpc-pascal] What happens when assigning interfaces?

[Ryan Joseph]

> On Jul 10, 2020, at 12:31 PM, Sven Barth <pascaldragon at googlemail.com> wrote:
> 
> A lookup is only necessary if you use e.g. "SomeClass as SomeIntf".

so if I do:

DoSomething(c as IFoo);

then Supports() is called at runtime to return the IFoo interface? That's the kind of thing I was really curious about, when are runtime checks performed vs compile time checks.

Regards,
	Ryan Joseph