Re: Protocols vs Concepts?

[Andrei Alexandrescu]

On 11/20/13 11:50 PM, Jacob Carlborg wrote:
I guess his suggestion would be something like this:
interface InputRange (R)
{
     @property bool empty ();
     void popFront ();
     ElementType!(R) front ();
}

void foo (R) (R r) if(implements!(InputRange!(R)))

Interfaces can't check for a variety of things that Boolean conditions 
can (isInfinite comes to mind).

Andrei