[Haskell-beginners] Is there an idiom for this?

[Benjamin Edwards]

You can be cute and use the applicative instance on functions: (&&) <$>
pred1 <*> pred2. I would recommend against such cuteness however and just
write out the arguments.

On Mon, 16 Nov 2015 at 11:54 emacstheviking <objitsu at gmail.com> wrote:

> I guess it depends on the final use cases... you could use currying to
> partially evaluate some stuff ready, locked and loaded as it were but the
> example you have  given shows to distinct functions pres1 and pred2.
>
> I guess the short answer is "yes" but it depends on how you do it!
>
> :)
> Sean
>
>
> On 16 November 2015 at 11:44, Mark Carter <alt.mcarter at gmail.com> wrote:
>
>> Suppose I want to use an argument twice, as for example in the expression:
>> (\x -> (pred1 x) and (pred2 x))
>>
>> Is there a shorter way of doing this?
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