dmd 2.029 release

[Andrei Alexandrescu]

Steven Schveighoffer wrote:
> On Thu, 23 Apr 2009 09:24:59 -0400, Andrei Alexandrescu 
> <SeeWebsiteForEmail at erdani.org> wrote:
> 
>> Steven Schveighoffer wrote:
>>> This has to go into object.d and be part of the runtime, where 
>>> std.range doesn't exist.  There is nothing stopping you from calling:
>>>  streamOut(&outputrange.put);
>>>  So I'd rather have a sink function.
>>
>> It must be a sink _object_ so it can hold its own state. And it must 
>> support put() so it integrates with statically-bound output ranges.
>>
>> interface OutRange
>> {
>>      void put(... a number of overloads ...);
>> }
> 
> I see now, yes I agree (I think that was don's original request 
> anyways).  That interface has to go in the runtime, though.
> 
> We may not be able to do this using templates... it has to be a virtual 
> function in Object to be on-par with toString.  This means struct 
> interfaces are a requirement if you want to use ranges :(

We're in good shape actually. OutRange as a dynamic interface and an 
implicit interface using .put against a struct will work just as well 
with templates. (The template doesn't care whether obj.put(x) is a 
virtual call or statically-bound call.)

Andrei