Re: Iterators in Ada2012

["Yannick Duchêne (Hibou57)" <yannick_duchene@yahoo.fr>]

Le Wed, 09 Nov 2011 11:55:52 +0100, Georg Bauhaus  
<rm-host.bauhaus@maps.futureapps.de> a écrit:
> Me neither; though Ada.Numerics.*Random are examples of how
> to model producing elements on demand.  I imagine one can do similar
> things with task objects in order to emulate a Python style yield.
> The result, then, is a generating mechanism that does not require
> a working set in memory. I guess one could make the mechanism
> more generically useful.
>
> task body Generator is
>     Current : Value_Type;
> begin
>     loop
>        Current := Produce_Next;
>        accept Next (Result : out Value_Type) do
>           Result := Current;
>        end Next;
>     end loop;
> end Generator;

The good time for a question: Are coroutines planned for Ada 2020 ?


-- 
“Syntactic sugar causes cancer of the semi-colons.” [1]
“Structured Programming supports the law of the excluded muddle.” [1]
[1]: [Epigrams on Programming — Alan J. — P. Yale University]