[Haskell-cafe] pipes Producer combination

Ben Franksen ben.franksen at online.de
Mon Jun 13 17:58:38 UTC 2022

On 6/13/22 14:24, Ben Franksen wrote:
> On 6/13/22 10:06, PICCA Frederic-Emmanuel wrote:
>> I would like to combine Producers in order to create a Producer of 
>> another type whcih combine these values
>> I want a Producer of the 'A' type
>> data A :: A a b
>> by I have a Producer of  'a' values and another on of  'b' values.
>> what is the best way to create from thoses two producers  a Producer 
>> of 'A' ?
>> Is ther a Generic way to automatically generate these combine Producers.
>> In my programmes, I will have plenty of these combine Producers.
> The intuitive thing I would try is to use Applicative i.e.
> A <$> a_producer <*> b_producer
> but I haven't tested if it works with pipes.

There is also pipes' zipWith operator:


I would rather have questions that cannot be answered, than answers that
cannot be questioned.  -- Richard Feynman

More information about the Haskell-Cafe mailing list