Calling delegate properties without parens

[Piotr Szturmaj]

Artur Skawina wrote:
> On 04/15/12 03:01, Piotr Szturmaj wrote:
>> Artur Skawina wrote:
>>> @property is for functions masquerading as data, i'm not sure extending it
>>> to pointers and delegates would be a good idea. What you are asking for is
>>> basically syntax sugar for:
>>>
>>>      struct CommonInputRange(E)
>>>      {
>>>          bool delegate() _empty;
>>>          @property auto empty() { return _empty(); };
>>>          @property auto empty(typeof(_empty) dg) { _empty = dg; };
>>>          E delegate() _front;
>>>          @property auto front() { return _front(); };
>>>          @property auto front(typeof(_front) dg) { _front = dg; };
>>>          void delegate() popFront;
>>>      }
>>>
>>
>> Yes, I was thinking about this, but it adds unnecessary overhead. I want to call delegates directly.
>
> The compiler has to implement it internally exactly like that anyway. D's design
> relies on such code being efficient - there is no preprocessor, no inline
> attribute and no macros. The trivial functions have to be inlined, if that
> doesn't happen it's a compiler bug. Once inlined, there's no overhead.

I wondered if properties can be inlined that way. But you have conviced 
me that indeed, inlining should help here. So, I'll use proxy 
properties. Thanks for your advice.