stdio line-streaming revisited

[Andrei Alexandrescu (See Website For Email)]

Sean Kelly wrote:
> Andrei Alexandrescu (See Website For Email) wrote:
>> Bill Baxter wrote:
>>>
>>> I believe the current discussion is only about under-the-hood 
>>> implementation issues.  So I don't think you have to worry about any 
>>> D libraries exposing (good or bad) C/C++ design decisions to users.  
>>> Tango is going to expose the same D interface no matter how it's 
>>> implemented under the hood.
>>
>> That's great, however the interface has a problem too: it does not 
>> produce atomic strings in multithreaded programs.
> 
> Which interface?  And are you talking about input or output?

Cout. The thing is that the design using the syntax Cout(a)(b) is 
conducive to two separate calls to the library. I recall this has been 
briefly discussed here.

Andrei